SCIENTIFIC ABSTRACT ALEKSEYEVSKIY, K. - ALEKSEYEVSKIY, N.

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SCIENTIFIC ABSTRACT
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ALMMMMT, E.K. ...... DaY4,ce for "lifyiDg Work Vith ths C~5 BW#t- Blul- n&uoh'- teklh. inro=. vim tio.2t7i 163. (KrRA 18t2) 1. Melgarodskays sh*lGsOrOdmY4 ekspoditmiYa Goolog-lcheakogo upravlarli.va ?Sentrallnykh rayonov. Alin~~nq~-Nlld,v. 1:. N. "I 1 in-Iltury. Poo Red. A. I. Smirriova. - :- !---, 1-tit -1:-,154 1-,- r. 5 4-11. "' sr.. C., Zx~Tro!;h'-E, t--!Yd,.L4itnll:h. --rozootold-m. Vursor). 10,C-00 62. 3r. Ick. -.' per. (55-:1 TZ461) 6~--5(47,9)(02) S~I. KTI!,W%rw"rR LAordsl . Vol. '17, 1,05"; T :U16to 45411.0* .jw~Tj,'Pi DY AT "IMIATIRES 0: to 0 09 rd M%,-umov. L. J. Phylp. U31R. 12 (NO- 1) 95 (1 4 The .60 Catijaiia%ja demagnotir.timl to briefly S#S,r'A,d. the raIlliac w tal a t"In, oooled t6 pa. Let eon o-06 wA C-'l5c'X -,,d r1inc w rc ro-nd tom to t~ vt)m,t w4parccmductirg: SI:.Cr. SU. II, vo, kh. Very par was fozmd to te nulsor*anduattan bel:m 1 *1 goo see 00 goo do: as* 11MOKAL U~4ft 4LA%",tom 24 Ib :060 At 10 ...... 11: 410 000.00 0 609 ),Lb,I'XiSYEVr3FIYo ~:- ~,%- !RbOtr%%m Ij,,Xd to J%LI L 1 w".p! 4 QW.1 Tvr .:sl* 'rIJIItm at *,tiri SUIVI Iml A~-k 1xito ".1twirls :4 P, rimiln, % r, "00r Zhtul* Hts Rmto" to wimatomas in (lowetkatag Ume requind f3r rupLd cutUM of dr'Lftso '-,~Ad cutt~vg of 3) drit!tA waTo"Lock out in 10,43-29167 at sabject locatirizu bescriben cuttirx,, at vatrLpts timso t:U.w3niIdLqt UCMA"I VOOMUCOMp *IMMdo OtC. Chves tbxm tz-blar with dmU on cutMnIj ip4vntIiyvisA 82 1. 1. Rip. I" . TAZOV. 1). G., Min. Ing. 2. USSR (600) U. Mitking ltnCinrj*rlnq,- 7. Mcparlemce with rMid ikinimg of rising stopes. Gor 7hur. No 12 1952. 9. Monthl List of Russian.Accessions, Library of Congress, ADril 1.953, Uncl. AUKSITITSICII, S.A. I., ~ 11WONtigating the &ITing Of shafts in bauxite aines. Met. Mt* 26 tic.235-11 w.-Ap 053. (Uwdto) (mm logg) AtOMM9KIf, N'.,'.A'. jr.A. A01INP ; PCVOKAW# N.M., r*dWdw; PARMUM. T.N.. rVissomlaiktion st practlas in Mid *=avatlou vork In northern Meal towdto als"j Olb6l*h*h"l6 opyU skorostuego provedoulls, gernft vtprabstok n& lowerwaral6alcithbokattow 160ma. Oft. ammAmi-takhm. Lud,-ve lit-r7 pa char *I I tovotmot moballtwet, 1954. 115 (WU 728) Wailac exclusabs) (mml (Bouxite- Ural mountains) AIXMYVSKIT, U.A., gornyy Inshener "am""W" - 01M Nis"NOWWO Bar t1ttering In beach workIng of longwall. Gor.shur. no.3:15-19 Hr '55. (HIaA 8: 7) (Wal moitntains-Kines and mineral resources) 1 061 IN. M-P-. 9*i']W inshOner; GMARM. M.I.. gornry inshener: -AIJMSXYIWSKIT. N.A., garzWr lushener, STAIXICHRM. A.P.. gorvy7 Inshener. .. - Drift ''m ,ining ett a speed of 302 meters per month. Gor.shur.no.9:1P-15 s '54. (NM 9;10) I.Sawarourallsklys boksitovM rudniki. (Urftl Mountain region-Bauxite) (Mining engineering) .!~p4rpvich; SEMEDT, Yu.V.. red.; PARTSEVSXrT. A1XWMYMX1T,jj)rQj.V AXa~m red.islatel'stva; XWSSY. A.1.. tekhn.red. LProgressive work methods of secondary mining In North Ural bnuxite, mines] ParedoTys metody truda i'DrI ochistnoi vyeake na Haverouxal'skikh bokeltovykh rudnikakh. Moskva. Gos.nsuchno- tokhn.ftd-ve lit-27 pa ehernot I tsvetnot metallurgil, 1957. ?2 P. (MIRA 11:1) (Ural Mountains--Bauxite) at I-W-IL. zoo .00 00 loorm air Wo 1, ilfo F yff FR 9 oo a f 00 o 0 0 6-0-4-6 !~ f j, Ii 'so .Mw DAIM"NOW -0 No OMMEd 001"99 m Of Axis all fte Rdwa YMM O "Sermomm", , ("Roma &A"I ANWI. N. ..Ij4t , U- Ow Oak O&W v tW 4ML-1 rns"W rA 41A K. xkmsl tiAd wm obtabod fka ked- tbabm &Lkys . ab, lll.-nw~lnpw 4 ~ -00 -hft~tim 4 ilm, .%..4 4= lw~~ in Or n Is Intswu lill"I 49 &At t i a mi ml.~h 6. 11L. l t"t :a tim.1.1 .4 w", On, koww'"m in th..Jl b r I w 0 .. - - o-W.b. h4K 16t.4 Sin, Lot fiw bwb ...= :Pw . .0 : . W"k.aIn, of Lin, ruw tna& 4 ampm,"l. 4,., M.. too 0,10 0 0 0 4 0 6 1*, -001*0 U00- A 1:04,vatti*600 oooj*Q ioas *******of 00*00i La 3 L i i ..c' fu I nu d -,I Le 2 a! t I I ol vf~~zv ::I I., 'I c C! 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U; M I. &49 00 of x it" "IN- m ft~ tb. %i,.1 see 1~~'oq goa 1:' zoo &s6 It i OF *0 *0 *0 o 40 a a '0 0 4 000 !.=go i0 ,1y. .;ti: cr, W, I* 1;1: .:11,1: 1, uv ~j - 3 At! 1;.., f: i, v L. i:T:3 Vj ' A Z' nema o-,(; Ic, r, the re,; 1 C :~V p;1 I i tW4 SF,14i At's K%V 1, (4- VC 4U TU b&AA~W or is AY3 ALURwart, N, AL J ftw, 401-410i 1941. -M eftext of mag- "otic fWAb Im tw" "WV(4%lvKlk* fkm ti TAIM 311(;~M It 10-11*115 x 10 '6,-ftthiLk),+4&,,vd b1conAtmentlumat the lav""lutedliquml lituas Dir"y ItAct cmdef"tim. film tuve bWw aft"I Ikkk dun sAct Ilwy have bald btated to mvm kmpmture. Ilbe critical W k Owled alp;nm limpetalum and ax"na thickomia at Val- Tho Ithm have lartiter critics] Mich thoo nmWsv So. ind (he ctil"I fleW Incrca-m d* dibew Ow Mm. A. J. r J 1, 1 - I I, i'~z o _U2 ;Iimj llc-actr,113- was -::c: re -Z lu-1-: L~ e, II-Ii, -i Icat! 1;L: V,; ::-,uujs neti!:i Oic criticu! tucmruturc .7:1"!:- '-Ads lu o,;re tile va"u, ut,~u 1.11,L" ULA :-f CT-, C-11't till -*44L The 40 0 wo = ro= IL I. somm6mm, an Of wcivo~ Or pa4tryst. at"al were vIal"taln-A at low 1""p.: n Cononctie tklds.i Z IrtI I(OW WOmn th e lo"Mal autt %um't"Mductint; Aftle W" be t about hy lrarj4ng the tv mv. at vn-r. =al - l 11 T f h odd t comt. effsp. C All * he rate O Allitt VI , PC foltnwtd by detir. with a baill"de ptvanoweter the cur. rent 10*ucvd IN ft toll vUnVjMfldg the opecil- The trainklan Ill 8 bine cylkn&kol ratemyst. "clown 0c. b" Wocill JIM. but in dwimflnuous = "'8 1% atm. When Iwo (oil% "Ive ti snotsatAl sdoun Is "lecimm, julivs Wert hKind in (*TUT Bit tile wto fillie 1% both V" DIA IDWTT MIS, lud"ling th tt',r to ncK of a phs-e knoolaLty alo"S * r leagill of the %in-chuca, bill that plod- ,a 04 0411"Ol" to sulws~.to. In P-ly-y-A, MK'61'"'s U f k ZZ waS �Ltwys KMIltal, twit hi 1110 to = ' t oWN field. V 1), Afh-n L.t" -u-UJU-U.lUl JJ At I I Aff L a Otto LwLtg~ wn$ ow. 44 WA ukked ift A WK 160"" 00.00 As a saw@ selveems So* :06: 1.06 400 no* I i-It it-oil towl P, thmip, -f it-lwli,m mA ~Jlulj~ 'FivIlml .4 II'l I. .1tril ...... I-I"I. oil, 'IlWorflw if d S 111111111116 MW V OL or gas. On omm dIp It do 41POL is= at hmda d mosm vNim r.. m . 4 am sh dbl. wiiiiiiiIiiiiir. m4 vwy do- to do e as mm a&. dW 16 to be do mooka "d to 6 f. 4 Am r - 6 md dkM - IIML 0 CAI. W) cAm M?ftk~m pom sp to abm r - lax wIiiiiiiiiw 6 me. Ms. wd I , is no VINUO d WIKU dm - "d is - dtiorift4debsow !!IiiIIgm of the mofflow noww dw imaMi-4kiMiiiiiiiii hm9w abo do tbkkmmi4 iww~ 41 wbkb re- doe 41 Amos d ILM PMNMN N. Tbn 40 va 0 2 1 I* 171 L3 ~ic jju 1 11 f 1 317 r a 1;.r -:~5jlxtl ALFAKSIMMIY, N. To. USSR/Notals Jan 1947 Low Temperature Research Superconductivity "Investigatlon of Metals at Temperature Below 10 Ks" N. klakoeyerski Institute for Ph3mical Froblems, Acad. of Sciences of the USSR, I Journal *f PhWalos, Vol. XI, No. I A description is Siven of the method of tooling by adiabatic demagnetization. B&Mstjo asthods are used to o"sure taxperature, due to the phenomonon or w44*6andudSinty. Figures are givem for the lowest temperatures reached for seven metals and their critical temperatures of superconductivity. For cotaple, uranium in found to be superconducting below 1.30K. It Is noted that metals wAst be chsaically pure for accurate results. ALMLqnVgY,rY, N. Fl 41TIM Jan 290. *,!#k ICAY Or Bimftth CONVomds,- N. Alk- 10 No 1rp. 4 oribw woonductivitv or 0 B'3"-, B12Pts 31per. 1 ozI ~~l J r 'T of tr~, -!it!`!V of nac,ni-mut, )l c:, s I lit A :2., kLMSHYW3K1Y, N. To. U&M/Nualear Physics Positrons Hay 49 SupeirconductITIty "Proced"s. in the Department of PbTsicomathmatical Sciences," 3jpp. Vest. Ak. Nw* SWR, No. 5 Summarizes four reports given at 16 Pob 49 session of Dept. of Physicomath. Sci. on martensito transition in alloys, monochromatic positrons, and rate of change in the am's a& a. Also reviews work by N. To. klekseyovakiy In superconductivity of blowto-nickel, bi=th-rhodium and. other allOY3, including figures for temperature Increase during compresslon. Gives minutes of Comission on Acoustics. 50/49T88 Im &w. ob" *I' the 0 of Ow Carol N.,AP 4-"-" two,on aw ar dwa: ~-4 loomp. A" dis two- Ilmoolle Apm ho I Rug bw~o :h Id w4pw" Ilow ohm ohm it boom* WbOsAW s"iod mme" *0 so" 8" WMI" 60" W4 1. -J. do w8a Ow of k1was blooll WIN P". willo us" 4w 1 so-"" M WO j,wd Otto"". 46 jz .' tin Tim, a Wkb an. kr laid W-A "kW -,A an wimoklmd do 600 'd p - b, #AP-.pb-pd--MN; 4 w" Ob dots. of um p - 'WL jrmo - siome 610016 Poor dw e1 io"dww/- haj,.knesedwax . M X db.,b jo, te'dw. a 4b= SIV~~-w 49 bot kk dr.14P tw ,w, , ; leavalurp. m an aw"L - "b b "I Dowd Wo my imcnam go The in a%m-- Wood I i. rb-in &am% as-bw ond ARM wo OZ. I;; d.4 lost bo. 0 way. The so bohm Is ald& MM ad = .1 0. = lba "w paw OPP-d "do Wt - n Clow b Moll, A dWM by V. 0. Loop" oxit. amp. b. .1 to qI44. 4.004 , .W b. -$W%L=;Nbv My - -1 .4 it" ~Ios W Uw =161 G.u 49. but. 1:4 Ar "W its" 10 "t. IN - Tbom 4v4iz- W , (p 70 ALEKSCYF~V!~Alf, P";YC a" so M$Iip*r4on4u*tI,vi4 of BlgK,* N. Ye. Aleksoyevksiy, lust at Phyi PrOdm1s, Acad Sci UISR Zhur Sksper 1 Te"*t Fie Vol X1, No 9, pp 863-864 'Conmidare following depood4mces: critical field Rk toaperatui* T; rplative resistance R/Rk.22oC ve T; 16*0metic amsents delta, vs field R. SubKitted 4 Jun 168T105 USSP/rh"ics - M-liurl No- 50 "Niasurcrent of ,'he Vapor Torivion Over Solutions of Ild in HeL," B. N. Yesellson, E. a. Lazarev, If. Te. Alekseyevskiy, (PIVnicotach Imt, Acad Sci Ukrainian SSR; 'TW cf Ph,,s 11ml-lems, oT Acal Svi USSR "1 056 Mur L-Ksp:!r i. Trmret Vol U,, No 13., 1055-1 Considers Raoult;ln law for subjeet solutions up to 2,-~* Lymcentrations of Hd. 1,jeal I - Submllttv~ 1'~ Apr 50- ach ~.vior I s .1 ri-! Lc:~ toad. P11 I f12 TUO , cle, C.; e.-,v (; a V. " j.A - .4", 4 . . - - s".100, I B I ;:j !J, :11 ~:i;] f 131.1ilM I i T ohut,ud ou:.T c. bi"! w,;s iuri,.~. 'e,7:i i;u :I:,] particlu- distn. :1, ~,c J:I o vashed vit~~ 1: ,-'o t:(: 1z L)t Bll,i- !:I no-~ Bill t" r,-',.17 OM a trarg I ~t~ I oir, I. at 3.60K. th,~ z tine ,j, Ll -,41 Ic H(~ d Bi (141 t7j'L' ard In lims. r M~i:,,, J KTY V 1". 2. '12 Ilo. 2, 2%' -220'5, (Institmtc, of C-f C!Qw,-,v~so 4 _0 16,;-; T:~ ind MIA ji.u w,_;;; vc, -1 fro-] vI, In. ~-l 0 C-2 fr- 10- -Y. .!,:j 1:31 fOr D111 TIC:;, L L -4 -L": art-, v: .,~L J :,_r*,,A '.7 al. t i C".ul L; il 1 Of pre- cll;!. 1;o r", erlystal .11:1110t `,L~ Lij I I;,: t~ 'A 31 L:I: aoi, d T, thc c 0 1 V U: vit;, pn_,rsix,, L th(_ 111. L 0 II, vorr'-r: Tlil,-l ~z i, o" 3--~rvl ut -")('1;t I.. l!) b-113:: . :J110-ot 11, ulloys c,", 1. . ot. prop:3riltion, of !."'orc Alc.,:o c f ir'l,"i I "Ly :!rit- lo~cq). LLt h:L- I mv UOSH/Physics Supercomductivity CsXd 1/1 Pub. 146-14/18 FD-497 Author Alfiksayevskly, It. Ye. Title otoplo shift of the temperature of transition of thallium into super- conduatLng state P~wiodical Zhur. eksp. i teor. fit., 24, 240-241, Feb 1953 Abstract Letter-to the editor. Author states that after teminatilig his investi- Satina on this subject, the same topic was published by he American 'Bureau of Standards (S. Maxwell and 0. S. Lutes, Phys. -.-ev. 86, 649 (1952)), Results by author satisfactorily agree with those of Maxwell et al. Indebted to 1. 1. Lifanov, Ye. V. Potapov and V. V. Lipayev. 6 rerervnees, including 4 foreign. Institution Institlute of Physical Problem , Acad. Sci USSR submitted lRovember 12, 1952 Lu cil, DIG tl-~:.I;Q) ail] t N. Yu. 7.1scovery ani Stmix of ln~tltute of Physical n-~w sL:verccr,,uctIng Pr-blernr, Imeni S. 1. alloys ':n v L I ov 9Acndemy cf Scl.?nc s USSR A L E KS ff sy~451 - Ke, u~SaIY4~~4 u 4r~cN tivit'y Card 1/1 Pub IA6-21/22 FD-751 Authoi- Ale"oyevskiy, W. le,, Zhuravlevp N. N., and Lifancrv, 1. 1. Title Problem of ouperconductivity of Bi2Pd Periodical Zbur. ekzp. i tttor. riz., 27, 125-126, Jul 1954 Abstract Utter to the editor. Studies of tetragonal modification of Bi.;)Pd atlow temperatures revealed superconductivity at 4-280K. Indebted to Trot. r.. S. Zbdanov for experimental work. 5 references. Inaiitution Institute of Physical problems; Aca,1. Sci VSSR Sutcoitted February 3, 1954 OrsR/Obys I es; - superconductors FD-1828 C&Xd I./I PUb 146-13/25 ,Luthvr AleksvMakly, 11. Ye.; Zhdanov, 0. S.; Zhuravlev, N. W. Title PIZett"or the superconductivity of the compounds BiLRh and Bi2Rh Periodical Mur. oksp. i tecr. fit. 28, 237-240, February 1955 Abstract nie wiUhors determine the temperatures of t-ansition in the superconducting state for the crystals of beta wd gjtw--B14Rh. They explain the umstable behavior off the supercobducting alloys of b1smuth with rhodium. They thank 3. 1. JAfanoy amd 1. P. Iv9mova for assistance in the experiments. Five rwfervmces; e.g. Ye. Ye. Bode, Izvestiya In-ta platiny [News of the Insti- tute CT PlatIMUM), 7, 1929. InstItutlon: insu%%tv or P"Ical Problems; Wacow Fmginecring Physical Institute Subxdtted : Februai7 P4, 1954 rte C t rD-1864 Care 1/1 Pub. :L46-24/25 Antbor AleksayttvakLy., N. Ye., and Brandt, N. B. Title Utrluenve of all-aided compression upon the galvanomagnetic effects of 14ismut.b and its UUoys. I Periodical : Zhur. eltap. I teor. fiz. 28, 379-383, March 1955 Abstract : The authors note that an investigation of the influence of a-U-sided com- pressixmi upon electron concentration Is of interest in connection with eaxlieT considerations an the influence of the density of conduction elec- trons %gion the cb&mcter of the shift in the critical temperature of super- conductors under elastic deformation. With this in mind they measured the Itall effect and variations in electTical resistance in a magnetic field in the caatt of bisoUth and certain coo4pounds of bismuth with other nonsupercon- duct1na metals, and they Investigated the temperature dependence of their olectrLO&I conductivity under compression and not. They present the results of these Investigations. They noted the 3arge number of similar studies by Y*. S. Vorovik in 1950-1952. They remark that a considerable part of their vork Imle was conducted at the Cryogenic laboratory of the Moscow State Uni- Versity of Stand"ft and Measuring Instruments, headed by Prof. P. G. Strel- kow and associate A. S. Uorovik41omhnov; they also thank T, I, Kostim, F. M. Kreyws, and V. V. Tevdokimova. InatItution: Inatitute of Pbysic&l Problems, Academy of Sciences Submitted : June 14. 19,54 VSSR/P"Ico Superecoductivity versus pressure FD-3280 Card 1^ Pub. '39/44" Author Alelseyavokly, N. Ye.; Oaydukov, Yu. P. Title Influence at pressure upon the superconducting properties of cadmium Periodical Vbur. e-Nop. I tear. fiz., 292 No 6(12), Dec 1955, 898-890, Abstract The influence of pressure upon the displacement of the critical tem- peraturo of superconductors has been investigated by many authors (e.g. N. Yo. Alekseyevskly Ibid., 10t 1940; B. G. Lazarev and L. S. Kan, 1b.1d., .14, .1944; N. Ye. Alekseyevakly and N. B. Brandt, ibid., 22 1952; L S Kan, B. G. Lazarev and A. I. Sudoytsev, ibid., 18, 1948), but ;r1; superconductors ubose temperatures of transition lie above l"K. Among superconductors Vith lower transitional tempera- tures Am cadmium, wbIcb passes over Into the superconducting state at O.5WX. The authors measured the dependence of the critical ZMg- netic field upon temperature in specimens of polycrystalline cadmium without pressure and, under pressure, the results of which experiment a" givon here. for obtaining temperatures In the interfal 0.06- 0-60'K they used the method of adiabatic demagnetization of a para- magnetic salt; pressure was created by freezing of water in a can- otant-volutse bomb (B. G. Lazarev and L. S. Kan, ibid., 14, 1944). They conclude that the relative change in Tk created by pressure of 1500 atm asnounts to 8.3% exceeding by several times corresponding values :ror otber superconductors tkian Cd. Ten references. T.i f f6r~:the purpoi 4w P Ipt pod. es v awl -kP . 34 ~!Saptambsr 30, )9% !j! -q~ MMEMM I,,. )N - BRAMR, N. B., and MMM, T. I., (140scow) Properties of Dismut," a paper subufted at the Intern*tIonsil Conference on Pbysics of NWgnetic Phanowns, Sverdlovsk, 23-31 MY 56. I ,A "I 11, ur d L" Loa .. I ~i, , A ~. :~If t, ~:., minislur "I z nn t V-S -Y A.~t SUBJEaT USSR / PHTSICS CARD 1 2 PA - 1847 AUTHOR ALM180SKIJ,X.S., KICHEEVA,M-N~ TITLE he CriticAl Axperages in Supraconduotive Tin Films. PERIODICAL Zura.sksp.i teor-fls,~_1, fasc.6, 951-954 (1956) INSUIW: I / 1957 Plans, disk-shapeti. rilms were investigated. The current was led in vertical to the disk and collected at its peripheryl in this case H - 21/r holds for the magnolia fie14 on the surface of the disk. Here r denotes the distance from the 4enter of the disk to the place were field strength is to be measured. The tin film was steamed on under a diffusion pump in a high vacuum at the temporatura of liquid nitrogen. Special oupraeonductive leads were used, and the pulve method wag employed for measuringi besides, the film was in immediate contact with liquid helium. The current pulses allowed to pass through the sample were produced by a source connected in sorlan. The current- and voltage pulses were registered by a loop-cocillograph, The experimental system was fed by a 220 V-1aboratory battery. by the variation of the parameters of the tem it was possible to obtain pulses of 41ffereat duration (usually 0,1 se:~eand amplitude. It may be seen from an attached osaillogram that the voltage pulse occurs at a certain intensity of the current passing through the sample. This is the critical amperage for the given experimental conditions. The linear dependence I k (r) obtained is indicative of a nearly radial distribution of amperage and of a weak Influence emexcised by the heating (during the current pulse) of that fin, l,feac-6. 951-954 (1956) CARD 2 / 2 Zurniekap.l toor. PA - 1847 part of the film which is located between the current lead-ins. The critical aaperagen of the films were measured within the temperaturp range A T 0,50 K, and the films Investigated had a thickness of from 6,9.10~ to 6,4-10~5 cm. rhe dependence E,,(6 T) found here (where Uk, denotes the magnetic field strength produced by the critical current) can be represented in the form Kk1. -A Tn, According to approximated estimates n - 0,6 applies here. RkI depends approximiely linearly on the thickness of the film. These results which were obtained by the Impulse method werej in addition, verified by another method, From a punatiform source a ring-shapod film having a width or 2& - 1,5 am Was sprayed onto a polished glass plate with no load-ims. An undamped current was Induced in this film by moans of a magnetic field at the lowest possible helium temperature. For the purpose of determining the critical amperage the m W otic field of the current passing through suoh a plate ring was measured. This method made It possible te wasauro the critical amperage of films of 2.io-5 am thickness at temperatures or from 1,6 to 3,70 X. The results obtained by means of this method are in approximate agreement with those obtained by the methods described above, INSTITUTION. Inmtituto for Physical Problems of the Academy of Science in tho USSR, 137-58-1-1558 Translation from: Referativnyy zhurnal, Metallurgiya, 1958. Nr 1. p 209 (USSR) AUTHORS: Alckseyevskiy, N. Ye. , Brandt, N. V. TITLE: An Investigation of the Properties of the Compounds Au2Bi and Bi-)~K (lHsledovanive gal'vanomagnitnykh svoystv sovedineniy Au~?Bi i BiZK) PERIODICAL: Vestn. Mosk. un-ta. Ser. matem., mekhan. , astron. , fiz, khimii, 1957, Nr 1, pp 39-43 ABSTRACT: An investigation has been made of the compounds Au?Bi and %2K, which exhibit similar crystal structures and periods, and h,Lve superconductivity and magnetic transformation tempera- tures of 1. 75 and 3. 580K. Measurement of the magneto-resistance properties was made at 1. 70K and with magnetic fields of 30, 000 Ot., by the usual potentiometric method. The temperature was dotermined by the vapor pressure of liquid He in a Dew~ar flask. The starting materials were: Hilger Bi, 99. 9996% pure; Kikhlbau-n K; Au 99. 99016 pure. The specimens of Au?Bi were made in the form of thin platelets enclosed in quartz ampoules. Aftor the ampoules were etched, the specimens were annealed Card I /Z for 5-7 days at 3Z0oC. The specimens of Bi?K were prepared 137-58-1-1558 An Investigation of the Properties (cont.) in special small baths, from which they were extracted in an inert gas atmo- sphere and thto were covered with a layer of vacuum grease for preservation against oxidation. The quality of the specimens was monitored metallograph- ically. It is shown that the nature of the relationship of the relative rise in electrical resitmince to the magnetic field is virtually proportional to the square oi the bitter for both compounds. The anomalous curve of the change in the resistance of BiZK versus the intensity of the magnetic field causes advancen-Aent of the hypothesis that the de Haas-van Alphen effect may be ob- served in BizK, An equation for evaluating the strengths of the current car- riers has also been derived. The concentration of electrons in AuzBi and BiZK lies in the area between the concentrations of their components. This is in good agreement with the hypothesis an the relationship between the superconductivity and the optimal value of electron concentration. V. R. 1. Gold compounds-rroperties Card ZJZ AIXONTIMMLY. N.Ye.- BRAM. 3.D. Oalvanomagmstle properties of the compounds Au2Bi &Ad Big. 7MILt-Mosk-un. 12 n0.1:39-43 157. ( LRA 10:0) I.Maskovskly univeraltot. Kafodra fixikl niskikh te"ratur. (Bismuth &Iloys-Aagnatic properties) (Superconductivity) SUBJ~CTs USSR/Physics of Magnetic Phenomena 48-6-2/23 iUTHOR, Alaksoyevskiyt N.Ye., Brandt, N.D. and Kostina, T.I. TITLEt Moot of Pressure on GalvasomagnWo Properties of bismuth (IllyiLhiye davlouirs. a& gallvanomagnitnyyo evoystva vismuta) PnIODICIL& Invostlys. kkademil Sauk SS83, Seriya Fisichookays, 1957, Vol. 21, # 6, pp 790-795 (USSR) ADSTRACTs The effect of an all-vidad compression on the temperature- dependence of electric resistance and galwanonagnetic properties of bismuth was Investigated. Calvasomagnotio phenomena were, studied on monocrystallino bismuth samples of various purity. Main admixtures in bis- muth samples were Pb, Sn, To and So who** concentration varied from 0.03 to 0-0005 %. and by raising room temperature to that of helium# changed their electric resistance, and 0 their resistance in a fteld of 19,000 oersteds at T - 4 , 2 X changed by more than 10 times. The following conclusions ware, drawn from the experiments Card 1/3 performed: 48-6-2/23 TITLEt Effect of Pressure on Galvenom W stic Properties of Bismuth (VIlramiyo davloniya no gallyahosagnitayyo evoystys. vismuta) The all-aided compression has a strong effect on the lvano- magnetic properties of !bismuth. Small To-admixtures fmors than 0-005 %) wholly alizinato the pressure effect, whereas this affect Is retained by BI with Pb- and Sn-adsixtures in considerably higher concentrations (0.02 %) The flall-cotfflaient and Z_,/Sl ratio reverse the sign with the field In bismuth with Pb- and Sn-admixturoo. The ratio %/9f. t t 0 iold, and the value and sign of the angular coefficient dopead on the nature and quantity of an admixture. The tomptraturo-dopondonco curve of the resistance of Bi con- taining Pb and On from 0.02 to 0.02 % has a peak at an all- aided compression, which disappears when the pressure is re- moved. In the higmy-intonsive fields varies linearly with Sufficiently puro 31-samplos show oscillations of the do- pandencoo of r mad,,YN an H, which are maintained during the Card 2/3 all-sidei compress a . 48-6-2/23 TITLEt Zffect of Pressure on 041vano"gastic Properties of Bisauth (VISY&MIYO dovitnLys, as gallyanomagnitnyyo avoystya vismuts.) The article contain* 8 graphs. There &re 12 r*fereaoss, 7 of which are Slavic (Russian). ASSOCUTION& institute of Physical Problem* in. S. Vavilov PR93EFM BYx SUBXlTTZDs 54 data indicated ATAILABLX: At the Librarw of Congress Card 3/3 1-1 i_ L 'J AMORs kLUSMV5KffN.T!,-, GATDUKOV,lu.P. 56-6- 54/156 TITLEa "TK-e*-Mi1-r.-ZMikFt ... AKd tne Susceptibility of Gold. (Effekt jL.olla I Yospri1mchivost'zolota, Russian) PERIODICALi Zhurmal Sksperis. i Toorst. Fiziki, 1957, Vol 32, Sr 6, PP 1989 - 1591 ABSTRACTz The following experimental results were obtained: The dependence r(T) for the gold sample Au-1 shows T~ inxt' 40K. Ae increase of r taken place proportional to ln(i/T), where Ar/r min at T - 0,070K amolLuited to about 15 %- The measurement Ar - r 0,070K - r=in in dependence on the magnetic field furnished the value-80 kOe for Mk' The Cold sample AU-4 shows no irregularities. In the temperature rang* of from 2950K to 1,450K the magnetic susceptibility of Cold of the class Au-1 remains diamagnotieg where its value at 1,450K amounts to 70% of the value at 2950K. ASSOCIATIONs Institute for Physical Problems of the Academy of Science of the U.S.S.R. PRESENTED BYs SUBMITT-Ma 28-3-1957 AVAILkBLEs Library of Congress Card 1/i ~~') t'EA I 51i:' Kl;--:- AUTHOIL. SKIr e., POTAFOVO-TO.V. 56-7-51/66 TIT12i of Determining the Optical Metal Constants in the Infrared Paxi of the Spectrum at Low Temperatures. (Xalorimetricbmakly wtod oprodeleniya opticheakikh konatant matalloy v Infrakramno.' oblasti spektra pri nizkikh tempera- twrakho Russian) PEUMICAL, Zhurnal Mtsperim. i Teoret.Fitiki. 1957, Vol 33, Nr 7. pp 283-284 O.M.S.B.) ABSTRACTs The construction of a device in described by mean of a graph, by moaxw of which it in possible to determine the two optical metal co"tants sinatansously. For bianuth the oonatants are aeter- m1ned in the wave range of I - 7eu, and an angle of incidence of 7001 n z 2 and x a 26, wherafrom it foll2we that It I - 2,2, which. in turns oorresponas to N V* 3-1OZV- (with I Illustration w1A 2 Slavic References). ASSOCIATIM3 Institute for Physical Problems of the AoLdoW of Sciences of the U.S.S.R. (Inatitut fixicheakikh pr*blm lkaaemiA nauk 383R) PZ03MM BY1 SEWT=t 3.4-1957 AVAnABL?a LIbrary of Congress Card 1/1 TO *I i 11 ;lkl Y lk 1 .1111 Nk fill i " 240) AUTHORS$ Qeksoyevskiy, 1-YO-o lrardt,N.B. BOV/55-58-5-12/34 TIMt 31wrostigation of the "Quadratic" Hall-Effect for Bismuth, Tiz wd Alum~ivuw for low Texpersti2res (InaledoTanlye 'ok-radratiobz9gov, Iffekta Sholls. u visauta, olovs, i alyuuiniy* pri miskikh tomperaturakh) PERIOIDICALs Vo*Saik Noskovokogo univorsitet&,Seriya mat4isatlklp mekbealki, astronawlI, :Mzlki, k1bl-11, 1950,Nr 5,pp 73 78 (USSR) LBSTRLCTs quadratio Hall-offoot for Go measured by Goldberg h ij was measured by the authors for 1.1. gn and Bi in :, j the twx"rature laterval froa 293* to 4.2 X in different magnatic-rialds. In order to determine the taflitence of this orfact on galvanomagnoti* metal properties for strong effect- Iva magnetic fields r 0. 2930K ro,T rktioltasecadly the *l*etroblo resistance of the vast& toot places was measured In the transverse--and-loncitudinal field. Card 1/2 The text-pleoes bad been produced according to the method of Invasilgation of the "Quadratick Hall-Effect for SOV/55-58-5-12/34 Blesulhl Tin O~ad Aluminum for low Temperatures T.L. Upites. The effect was observed on for all test pieces &ad increased with decreasing temperature and cleanliness of the tent piesn. The Impurities of To have particularly strong influence an the galvanomagnotia properties of bil Sn and a* bay& a weaker effect. Several further statements are given. There are 6 figures, I table, and 9 references, 5 of which are Soviet, 3 American. and I English. ASSOCILTIONt Za-fedra fixtki niskikh teaperatur (Chair of PhTsics of Low Temperatures) SUBMITTM April 5, 1958 Card 2/2 'OTHOR: A.IeXseyevakly, N. Yo., Doctor of SOV/3o-50-6-9/45 -FHYM~ ~a tical Sciences TITLE: Mass Spectrometer With iligh Resolving Power (Mass-spektrometr v3-ookoy racreahayushchey ally) PERIODICAL: Yeatnik Akademil nauk SSSR, 1950, Nr 6, pp. 67 - 69 (USSR) ABSTRAM Apparatus working with a homogeneous magnetic field are con- atructed both in the USSR and in forei;_'n countries. They make It possible, e.g., to separate the mercury-isotopes with the masues 196, 198pigg, 202 and 204 from each other and to determine their relative content in the investigrated sample. The deuterium- -content in hydrogen, on the other hand, cannot be determined by aeans of such an apparatusp which in not possible in many other cases either. If, instead of a homogeneous field, a mag- netio field which decreases from the center to the periphery, is applied for the deflection of the ionic beam, then the heavy ions - by moving on the greater radii - enter the reEion of the weaker magnetic field and are therefore deflected to a smaller extent. The focusing of the diverging ionic beam in a hetero- Card 1/2 itensous magnetic field tahee only place in that case in which lass spectrometer With High Revolving Power JUV130-53-6-9/45 the bean in deflected through an anj;le of more than i8oo. The *uthor of this article - in collaboration with G.F.Prudkovskiy, 0.1.1oneourov end B.I.Filimonov showed this in his work (Ref i and Fig 1). By this it Is made possible to dissolve the major part of the mass-spectral-lines and to caxry out their analysis. The scheme of a ion-souroo with a transverse electron-beam is shown in figure 2, which is necessary for the realization of the possibilities of the apparatus with a heterogeneous magnetic field. Various laboratory variants of this apparatus were manu- facturod in the Institute for Physical Problems of the AS USSR, Two specimsis of an industrial variant of the apparatus with heterogeneous malnetic field wer2 developed and built by the State U=Aan Design OffLce for the Construction of Analytical Apparatus it 1957. One ot them was exposed on the World-bxhibition in Bmxelles (Fig 3). A opectrograpb from this apparatus is given in figure 4. There are 4 figures and I referenep. 1. Mass spectrum analyzers--Des1gn 2. Magnetic fields--Applications Card 2/2 3. Ion beams--Focusing 4. Mercury isotopes--Separation -5 ;,Y6 AWTHORS kkikspy"volciy, 'IF. Ye, ~ 11ranall , N. h. . t%ost-,ra. T. I 'i TLF; On tne Anomalous Calvanomagretic Prorer~ied of Ke-tris at La-ei Temr,-ralures, (Ob anomml nylkh gal vrnc=,tpnitn..,kh avoynt 110W1 Mel,A't Wv pri ni?kiXh temperaturakh) I me 10;'I CAL ?K-.trz~aj ekvper2mental -noy t teoreticheekoy fiziki. 1958, 4,4t :ir 9; (U'.,SR) k~,-.TiACT J~ivezot,.gating the galvanomagnotic propert:lea of bismutr. in ti-ariLkyerst, ond longitudinal magnesit firldr, tnt, L-uthore *Viierved an oknomalous chg,nge in the potential dif"Prew.'e iiii-Aar to that observed 1,3, other authorr. According t~~ the ra,ijults obtained by thene authors the difference of the po.- V meusurea ,n the notontial electro-jes after the. W,aal incrtave ir, wcak mugtet'l-: fieldq rassed through a mini r,Lin. mild then decreaacd to zerc,. In some cases also th. itisrr( changed. Thc~ auth:~ra =ado Pdd4tienai experiments it-, crcer tt, iriventigatt, tile in'llic-lico of' the forw and of the muru,ar cT cwYr:+-,zjng Lhe eie::trudes on the cnaracter of tat, .aria- ot' V in a magnetic field. It is possible to explain it.:~ which Pere oba*rvod previoualy by other suthers SOV/56 - 34-5-51 /6 -, ~:n %he kn',malo,,in ~';,Ovolsomagnetlc Properti-?-s of Metals ut Lou Te=peratures b:i ~1,.o irflaunce of quadratic affe-its, in particular b.v u "(JU1k'1Tfk1!.C Hail Pffect'. This effect consiInts in Ine fo;low- iv,g:ln tl.e specimens placed In a magnetic field there is a !;j,anvv,mrse -Sifference of the potentials V in the plane which av ii-termined oy the directions of the cuirent, and of thp rwignetiu field. The differance ol' the potential-3 V is a -.,oLaviit- function of the slagnetic field strength Xnd in iro- trorl: opeoimena it has its maximum v--luep if the anele be. 0 lWeer zurront and field is equal to 45 . If the v-rintion of the resiatanoo In the magnetic field in azall (for in, utlince for afasurements in a lungitudinal field) orly a very "AR.11 component V (direoted pural!P! to t~~e specimen) is Rut- fii~ievt to d.istor4 In a quoltitative =anner the curvo of the real v&rlutlon of the resistance in the magnetic field. An 4f13l)OC1&ljy strong distortion of the discussed results is ob.- neTvod, if the area of the current contacts Is email w,-th t!evpect to the crois-aection of the specimen and if the poter- tial o.ectrodee are placed close to the ends of the specimen. I 'Increasing the relation klengtb of the specimensidia- "Ietor of the Specimens) dii not diminish the anomalous ef- whun the poollnn of the potential electrodes was not 61 criarigod. 11. iv itivanfageoun to exreutf, the meanim%ment on sporimeraz witri clf,~:trodcs rh--,.h h-iv!- tho crosn-dectlon v!, ha,?o in#~. :-,pocimers. I'her(: ijre I fit-ure Pnd 14 referen,.,rs, ~ of %-hi,-h air "oviet. lmtt~,tAat fi.richeaAh vrobler. Akndemii nauk J'n.,,tizatcflWJllObLmA daftysics, Moakovsk.2y gosu- .iltrptv.~-ntiyyiiiii,,lors~t(?t ;iiloscow ~Aate University) -%~truArv 1. Metals-Yapetio proportion 2. Metals-Tes"ratu" factors ^4(2) 1 5~'Ao Llr!T3M$ Alekoeyevskiy, If. Yo.. Gikydukov Yu. P. TITLE: The Anisotropy of the Eleotr.,e Res6stance of a Gcld Mono t,ryatal in a Magnetic P:ield at Z 2 X (Anizotropiya elektri. i~~jeako,;,o nopiotivIoni,ya, lnonckr:istalls nolota v -maj--nvtnom I:xi 4,.2 K) PER IOD NA.L: eksperinental~noy i teoreticheskoy ffiziki 1958 Vol 3!, fir 2 (B) pp 55ij-551; (USSR) AB STRACT The rusul*s of many papers concerning the invest:Lgation of the gft1va,11CZ8,;m9tia properties of mcnovalent neta*1 's do not agree w:Lth %he theory It i.fl In-~OTeStin~r th--~rvfore tc inveati ~:ute Ihe character of the variation of the resistance of these ;::of;a1r in a, magretic field. These i-nvesti-i,-at~ons axe oarried wit for verioua crystallographic dire -,cions- A Fold r3one cl-.~Ztfil iB the most asef-,il nater.-ai for thi3 purpose. Such a, monuarlstal (beight 50 = and 0 ~ ;zn purity 99 9999 %) waa pirejulred. The reni,,Jance wao varied by 1650 times wher. Wle0temperatur4? decreasel frow the laboratcry temperature to 4 2 K~ A polar dial-,ram -was obtazied for This V~c!O ncnocrysTal Card :~n n =asrnetio field of if - 23 k0e at T - A12 K The rotat-"-)n SOV/54- 75 2 56/6,, The of the Mocirtz Resiatari~-e of a Gol,J Yorwrystil in it Magm?t_c Fieli nt .1.2 IC 9xis )f the magnotio field vaD parallcl to the axis of the ,p,old -ncnocrystal. The dolrert!emse of the rqtic A ru I r .(rH r) /ro on ra,-7net.,L,- f:.eld 9-~renf-th was ub-;ained in th,e dire,ot:ior, of the maxilaal-~ 11!11 f %lie lcw,~~St rini, mum of the polar diagram, r 11 and, 1:0 dvn,~Io tho values of thi- res.ia-mnza in the magrieti- field and without a mttme-.i. field. --'he results of these measurements are shown in 2 f~.rirepi: In d1rection of the maxamum an unlimitted _,ncreaue _,f th~, ran2etance tdr r - H 13i ia bLierv,;wd. Lmz .n the (1-,re T,-,:n r93~urn,i.,,q is J~4i'he- mimmum satl~raced ' A r,/r if R ~, B . it ma.- be dez;vea froti th- kqaa H 0 0 tion I/R I and in the investigated case it is equal to ?,4 k0e. I denotes the free length of path and R the curvaturo of the trajectory of the m*tion of the conduciion alecirons in the miagnetJQ field. Aralogous results were found for oJI the maxima and ranima of the polar Iiagram. Frozt tha r-Paults of this paper the fcllowing cur,~:l ua ions =ay be drawn: Card 2,,13 The linear inoreave of the resistance of polycryata2lino SOV/56 35 2 c8/6o Thi Az~e4~trogy of ihe Blectrii Hes!Btance of -i Gold roaocrystal ir a ,Hugveta-, F3e-ld a-, 4 ;!"X upe-,Jzens (which was fourd by Kapitsa' iB caunea by the overaginr of varlous ration Ar El /r () with retipi~,t to t,, e iingles, TEo author thanks P. L. XaPitsa, ll.'emlter Academy (-f* Scienree. ITSSR for the discusa~on c..' theze resullt,~., There aic 2 farures and 7 reforencea 3 ,f whi.,:.h ;,re Scv:t~t~ ASSOCIArION.". lnet-,tut fizicheakikh yrublem Akadem,-i na-A SSSF i'lrovit-ate Cf phys:.cal 11"I"llieug'AS USSR) SUB1111"TED. Jure 11 '955 .18(6) AUTHOBS3 N. 1!0. SOV/56-35-3-47/6i Gaydukov, Yu. P. TITM: The Influence Exercised by a Plastic Deformation Upon the Anomalous BahAvior of the Resistance of Cold at Low Tempera- tures (Vliyaniye plastichaskoy deformataii a& anomallnoye porodenl,re soprotivloniya zolota pri nizk1kh tomperaturakh) PERIODICALi Zhurn&l eksperim*ntallnoy I teorsticheakoy fiziki, 1958, Vol 35, Ir 3, PP 804 - 806 (USSR) A.BSTRACTs First, two earlier papers dealing with this subject are referred to in short. For the purpose of investigating the influence exercised upon the minimum resistance of gold more accurately, the authors carried out an experimental investigation of the Influence exercised by elastic and plastic deformations on the depth of the minimum and on the value of the "critical,, field strength R . Compression . occurred from all sides by allowing water to freeze in a bomb made of beryllium bronze. In the case of such a compression from all sides the depth of the minimum is reduced only a little and also the specific resistance Card 113 changes only very slightly. The influence exercised by The Influence Lbcorcised by a Plastic Deformation SOV/56-35-3-47/61 Upon the Aumalous Behavior of the Resistance of Gold at Low Temperature* plastic deformation on the course of the resistance curves was investigated in two series of teats. In the course of thO first series of tests, the deformation of the sample was investigated at the temperature of liquid helium by means of a special press. The deformations obtained at the tempera- ture of liquid helium were comparatively small. The influence .exercised by greater deformations was investigated on wires which were deformed at room temperature by moans of a hydraulic press. The result obtained by these measurements are shown by diagrams. According to all results obtained in the present case, the depth of the minimum and the "critical' field strength depend to a considerable extent on the deforma- tion. With a certain 'r&lue of deformationt the depth of the mlzimum beooa*a equal to zero, and the critical field-strength tend@ towards infinity. A comparison of all results obtained results In the followinga The occurrence of the minimum of resistance is caused by the scattering of conductive electrons on the impurities of certain elements. The authors thank Card 213 F. L. Kapitsa for discussing the results obtained. There The Influemom Et9roised by a Plastic Deformation SOV/36-35-3-47/61 Upon the Anomalous Behavior of the Resistance of Gold at Low Temperatures are 5 figures and 4 references, 3 of which are .11ovist. ASSOCIATIONs Institut fizicbeekikh problem kkademii nauk SSSR (Institute for Physical Problems of the Academy of Sciences)USSR) SHMITTEN June 14, 1958 Card 3/3 -.2 Y. I? "1 1-20 M47 at BOV/55-59-3-15/32 AUTHORS- Jaskseyevskiy~ 3. Ye.,_Zhdancvt G. S., Zhuravlevq N. N. TITLE: ft* Prokem qf the Suporconductivit of Componnds of Bissuthl VIth Alkali Wale ' PERIODICAL: Vastaik'A"k4 0 gnkvAT4it9U,. Seriya matematiki, makhaniki, 11 antrononil. r~ivi. Nr 3. pp 113 - 115 (USSR) ABSTRACT: 2W analysis of the critioal temperature of bismuth-alkali com- poumde a linear dependence between the critical temperature To of the compound and the ataxic radius of the alkali metal van fauad. This linear dependence does not hold for the LIM com- paundl it possibly holds for the compounds with alkaline earth metals. A comparlson between T. and the atomic radius is quiie pmrmitted for the Isomorphic compounds XB12, RbB12F CaB129 but less for Naft, which has & different type of lattice. With an intrease in the critical temperature T. the minimum inter- atomic spacings In the transition from KBi 2 to CsB12 increase, tho. dependence between the tkininum distance and T being linear. Card 1/2 Omeans of a rela.ttonship between dRk/cIT and y (the coeffi 07 68047 The Problem of the Superconductivity of Compounds of SOT/55-59-3-15/32 Bismuth With A.1kall Metals of the linear term of n-type specific beat), the value of y for the three Isomorphio compounds may be determined from the known Value Of d1k/dT. Table 2 contains the values of dRk/dT and the values of y calculated from them, which increase from LiBi to CGB12' In the superconductive blemuth-alkali compounds there In obviously no linsax dependence between To and y/y, where v de- notes the atomic volume. gowever, when the dependence To - f(71/3) is constructed, the points lie near & straight line passing through the origin of coordinates. There are I figare,, 2 tables, and 7 referenaea, 5 of which are Soviet. ASSOCIATION: FAtedra. fisiki tverdogo tela (Chair for Solid-state Physics) SUBMITTED: INbruary 27, 1959 Card 2/2 .5? 4f 1 TO 68048 (4) --it 0) SOV/55-59-3-16/32 ALUTHOim-i- Miuraylov, N. ff., Zhdanov, 0. S., Alskseyevsklys N. YkiL .gryntal ChentiatrOlf Superconductive Bismuth Compounds TITLE. The 0 PERIODrCAL:, Yastnik Xoakovskalro universitsta. Seriya matematiki I makhaniki, 1"'tronomil; diai's ZXmh'," 1953~, Ir 3, YP 117 - 127 (USSR) ABSTRACT: The present paper deals with some results obtained by an ans.- 23fais of the orystallo-ohemical data found by the authors con- cernlng the struaturG of superconductive bismuth compounds. A Oamparison between the superconductive properties with crys- tmllo-chemical date was carTied out on the basis of known re- "Its determined In most cases by N. Yo. Alekseyevskly (Here 20 - 35) at the Institut fisichsakikh problem AN SSSR (Inati- tmt* for Physical Problems of the AS USSR). The first part of the present paper deals 9 1) the ca-p-Mlity of bismuth to to" compounds with various elements o? the periodic system anA 2) with the electric properties of these compounds. Among. other things the existence of the compounds '9'7' X 3BL21 Rbai Dip and Ca 3. 21 Rb 2 2bi in supposed. It may be that the com- Card 113 paumda CeBYrRi and P-LiBi are superconductive. With the 68048 The Crystal Chomistry of Superconductive Bismuth Compnunde SOV/55-59-3-16/32 olomente to the right of the group of superconductive elements of the 3-outgroup, bismuth forms no superconductive compounds. The physioo-thestical and X-ray structural investigations of the alloys of bismuth with non-superoonduotive alkali-, alkaline os.rth-, and transition metals show the.manifold superconductive compounds with respect to composition, syngonies, and struc- tural types. These structural types may also be of a complex nature. The polymorphic transformations of superconductive com- pounds change their superconductive properties in a mannor that Is similar to that in the case of allotropic transformations. Two isomorphic groups of superconductive bismuth compounds may be 41 tingulshed: one with alkali metals (potassium, rubidlum, and c:sium) with the composition &B2, and a second with the- transition metals (nickel, rhodium, and platinum) with the com- position A3. In those isomorphic bismuth compounds the critical tesporaturs To depends linearly on the atomic radi-As of the. sub- stitutod component. A variation of the bismuth-bismuth minimum Antoratomic spacings varies the critical temperature To of the Isomorphio compounds. In the bismuth-alkali compounds an it.- Card 213 crease of the minimum interatomic spacings leads to an incr~e 68046 *The Crystal Chemistry of Superoonduotive Bismuth Compounds SOV/55-59-3-1,S/32 of. To* Bismuth compounds with transition metals show the re- verse effect. The minimum interatomic.apaciage bismuth-blawith vary within a wide range In the case of the various bismuth compounds. Bismuth compounds with small -'and also with large bianuth-bismuth spacings are not superconductive, but all com- pounds In which bismuth-bismuth spacings are within the "optimum" interval (3.1 to 3.8 1) are superconductive. The superconduativo modification of bismuth probably has a face centered elementary call. A lar**U table shown the atomic-cr;s- Ulline structural properties of bismuth compounds with non.- roperconduotive elements. The experiments made by N. B. BrsAdt (2ef 56) are indicative of a decrease of the anisotropy of the or.rotal structure of ordinAry bismuth in the case of compreis- aton. There are 3 figures, 4 tables, and 56 referenoes, 40 t)f Offilch are Soviet. ASSOCIATION: K*fedr& fisIVI, Jverdogo tela (Chair for Solid-state Physics) SUBMITTEN Fobrruary 27, 1959 Card 3/~ 240) A UMM' Z 3 Al,ekseyovakly, 14 Ye. , r3aydukov, Yu. F. sov/56-36-2-15/63 TirLEt LNiasurennnt of the Electric Conductivity of -'4-".etals in a. Itugnetic Pield an n I-ethod of InvestigatinC the Fermi Surface (Itmereniye olektroprovodnosti metallov v nagnitnom pole hak noted inaledovariyn poverkhnosti Ferni) PEPIODIOA-Lt Zburnal eksperimantallnoy i tooreticheskoy fiziki, 19551, Vol 36, Nr 2, PP 447-450 (US311) ABST-UCT: Lifshits, Azbell, Maganov (Ref 1) au well a3 -.hmmbers(Chembers) (Ref 2) showed,that isoonergetic surfaces of conductivity electrons in metals can be represented by topologically composed surfacea with opon cross sections. The Fermi surface can be bmilt from d ta obtained by measurement of the de Haas-van Alpbenu~de' Ganz: van AlIfen) effect, of the anomalous skin effect, or of cyclotron resonance (Ref 3). Kovrever, these mopsurements did not produce unique results near open cross witctions. nio pronent paper intends to investiCate the amisotropy of electric resistance in a magnetic field in various (sn' rb, TI, Ga, lia) single crystals in cunnection with the existenoe of open Fermi surfaces. As already shown (Ref 1). a Card 1,1~ qi;Ladrntic increase of recintance is to be expected in open Fermi x6asuremunt of t1to El.tctric conductivity of Metals S07/56-~36-2-ic$/63 li~ a WaGnetic rield as a Method of InveatiGating the -*'e-.--4 Sux~face siurfaces for one field direction, whereas for another field d;lractlon saturation sets In. In a previous paper (Ref 4) the authors already investigated the variation of resistance in gold and col)j)er in dependence on the anGle formed by the magnetic field Ir and the cryetallograpYic axes, and they showed that for the course &r,,/fr, partly a quadratic increase and partly maturation occurs, according to the direction of Ir How, the mng,ulax dependepces of r(il) for other =etallic single crystals mro investigated a'. 2.,, and 1-50K. The data characterizing the itamplen are given In a table. The polar diaGrams measured for Ef const on a Sn-, 1b-, and TI-snmpl re -horn by figiire 1 (H 23 k0o, 22.3 kOe and T - 1.200.elawas in all cases vortical to *he mcasured current These din,7ramc rho-,. that also in lillipse crystals it in true that with a variation of the ancle. liatween the field and the cryrtallo,~raphic axes the law of itio"ane of the resistance in the magnetic field changes 'from a qua(lratic form to that of onturation (Fig 2). Anisotropy ras found to be ou;)(icially hiE:h in talluriur and E;allium. Card 2/3 Measurement of Phe Electric Conductivity of Metalc sov/,1;6-,6-2-15/63 in a Magnetic Field as a Vbthoa of Investigating the Fermi Surface A theoretical explanation of these henomena is given by the paper by Lifshits and Peschanakiy tRef 6). The authors finally thank Academician r. L. Kapitsa for his constant interest in this work. There are 2 figures, I table, and 9 references, 5 of which are Soviet. ASSOCIATION: Inztiltut fizichoskikh problem Akader-ii nauk SSSR (institute for Physical Problems of the Academy of Sciences, -assa) SUBMITTED: October 21, 1958 Card 3/,N 24(3) AWRORS: Gaydukov, Tu. P. SOV/56-37-3-14/62 TITLE: The Anisotropy of the Electric Conductivity in the Magnetic Field and the Topology of Ftrmi Surfaces of Metals PBRIODICAl: Zhurnal oksperluentallnoy I toorotichookoy fiziki, 1959, Tal 37. Ir 3(9), pp 6112-677 (VSSR) ABSTRACT: The present paper gives aome results of the investigation of the anisotropy of the change of resistance in the magnetic field of monocrystals of Au, Cu, Sn, Pb, T1, and Ga (which have boon Investigated already previously (cf. Ref 1)) as well as of Ag, which was investigated for the first time. Most of the metals were Investigated on 10 to 1) samples which each showed different orientation of the crystal axes (Determination of the orientation was carried out by G. E. Xarstens). The purity of the samples was characterized by the resistance ratio 1(3000)/9 (4.20); it amounted to 10 000 for Sn, Pb, and Ga, to 3000for T1, and for Au, Cu, -nd Ag it was of the order of magnitud* 1 000 . All measurements were carried out at 4.20K. The samples were rotated in the constant mag- netic field and the anrular dependence of the resistance was Card 1/3 measured. Figures 1-4 show this dependence for differently The Anisotropy of the Electric Conductivity in the SOV/56-37-3-14/62 magnetic Field end the Topology of Fermi Surfaces of Metals orientated Cu, Ago Pb, and Ge-eamples at H - 23.5,KOe. The orlentatiop (in figures 1,2, which show the angular depend- ence of the relative change of resistance) and the degree of pnrity are given. An investigaticn of the anisotropy of the resistanco of silver aborad that the resistance in the direct- ion of the minimum (In the rotution diagram) attains a aatu- ration value and that with B it Increases exponentially (nearly quadratically) in the direction of the maximum (Fig 5)- Similar conditions prevail also in the case of other zetals. It Is further found that the average relative resistance depends linearly upon 8 (Yig 6) (Law of Yapitsa). The con- nmetion of the '%lf--width of the narrow maxima and minima for Au, Cup Pb# .nd Sn in the rotational diagram vas investi- gated. It was found that the half-width of the maxima decreases with Increasing R (e.g. like 1/.U), and that of the minima at the some time remains constani, which agrees well with the theory (Fig 7, Ref 4). Purther investigations were made about the variation of the depth of the minimum in the case of fixed H-direction and varying current direction. Figure 8 Card 2/3 shows the result for four different Sn-samples. A stereo- -The knlavtropy -of the Xlectric Conductivity in the SOV/56-37-3-14/62 Magnetic Field mnd the Topology of Fermi Surfaces of Metals joraphioal. pvaSadtion of special field directions may be ,harried out from the various data; - an example (for silver) is shown by figure 9. An analysis of the atereographic pro- ,jections cam be carried out by co=paring the results obtained Iq Lifohits and Posebanskly. Such an analysis may supply information about the shape of the Fermi surface. All data obtained indicate that, contrary to previous opinions, most zetals possess closed Fermi surfaces. In conclunion,the authors thank P. L. Kapit6a for his interest in this work and Professor 1. M. Lifshits and V. G. Feschanskiy for dis- oussions.There are 9 figures and 12 references, 8 of which are Soviet. ASSOCIATION: Inatitut fixichaskikh problem Akademii nauk SSSR (Institute of Physical Problems of the Academy of Sciences, USSR) SUBMITTED: April 24, 1959 Card 51~ BOI 5YB061 AUTHORS; 41-0suevskiz I N. To., Dubrovin, A. V., Karstens, G. ~XOSIOI) _-_-_'__ X TITLE~ The Use of Me.1-Spectro.etors With Heterogeneous Magnetic IPields for Gas Amalysis'_V- PERIODICALt Zharnal fitichegkoy khimli, 1960, Vol. 34, No, 6, pp. 1275.1279 TEXT3 Tho use of a heterogeneous magnetic field in mass spectrometry has some mdvanitages. The gas content in samples of bismuth, gold, germanium, zirconium, lantbanum, and various types of copper was deter- mined hare. The experiments were carried out in a special glass apparatus (Fig.. 2), and a special device (Fig. 1) was used for the introduotion *f the peon. The gas current was regulated with a bimetal capillary (of )1# -69- (NZh-69), or 3H-3C. (EI-3S) steel). The analysis of the gases separated from the metals was carried out with a glass Mass spectronster (radius' 50 on), and a metallic mass spectrimeter (radius. 152 mnY. The a actre. were shown up with a self-recording electronic 31TY-09 (Rrp-o4 potentiometer, attached toon -:001Y-211 (EMU-2P) amplif.1-r. _- if _. -~ 2 Card I/? V~ S/07 60/034/06/19/040 ~15 i" Thv t;.irs of mail;a lip".tramoors 'OLtb detfiro.. 3/076 60/034/06/19/040 genet:;" Magnstic ri4lda for afts kLalyjis BO 1 5YR061 In order to sohleve complete gas separation 'rom the sample, tole wae melled down Im a vacuum by the use of different methods corresponding tQ the moltIng tiomferature of %he sample. With eampl 911 of a-hi b gas content (e.g. lanthantAm)v the sample was boiled in m xr,1-10 (LGZ 10~ high- frequonoy rurmac8'(;7d.tb5 separated gas was diluted In a special coll*otlag device 9 3 by liquid helium. The values obtained (Tall,~~ show Unt 10 1 to 10 -n -4~ geese were separated from the samples, and tbue the Sits content in some cases greatly exceeded the content of other impurities. Even smaller quantities of gas can be determined by the neth- od dencrIbed. There are 3 figures, i table, and 4 references, 3 Soviet and I Anerieftia. ASSOCIATIOU: 4,kademiya nauk SSSR Imst1tut fizicheakikh problem (Ao&4*V of Sciences USSR, Institute for Physical Probleme) SUBMIITHDt August 8, 1958 Oard 2/~ ALEKSEM,WYe 4.Ye.: MIKHEMAt X.N. Critical currents of superconducting tin films. Zhur. eksp. i. tear. fiz. A no-1:292-293 Jan 460. (MIRA 14:9) 1. Institut fizicbeskikh problem AN SSSR. (Upereonductivity) (Magnetic fields) (Tin-Eaectric properties) ALMEMSIXY, N-Ye.; BDNMI, V.V.i POLUXAMV, Yu.M. Suporconductivity of electrolytically deposited copper-bisxuth alloys. Zhur. eksp. i teor. fit. 38 no.1:294-295 Jan 160. (MEFLA 14: 9) 1. Intitut fiticheskikh problem AN =R. (Superconductivity) (Copper-bismuth alloys--Electric properties) 85679 5/056 !'60,'0 58/006/02 1 /049/D. B606/B070 0, 7700 N V-3, 11 r1s) "et)) AUTHORS: lflksozev Gayiukov Yu. P. TITLE. ?.ho An~sctropy of the Electrical Resistar-'se ~f lig -arid ilt Y-irjae Crystals in a 71 '~ 1 1) PERIODICA.L: Zhurnal. eksperimental,roy i teoreticheskoy fiziki. 1960, Vol. 36, No. 6, pp. 1720-1722 TEXT. It Pras ahoirn in Refs. 5 and 6 that the electrical resistance of 34t and Pt specimens in a maFn,-tiz fiel-I increases without any limill. Thivefcrze, the Fermi.surface c1 these melals iz3 e-,thezr -Iosed (number (:I' ele,:itrons equal to the number of ho'-r-s) or open. In the first case, tho resIvIance must be practioally isotropic. in large =agnctic fields, and in tho sorond case, atrongly anlaotropi:~. The present work was undertaken to alarify this problem for single crysials, the galvano- magnetic prop*rtion of polyc-ryutalg of Idg and Pf having been studied a3reai;r, The 114.~, Ttpe,7tmens had a - 6'0-. for f 300OK/ ?4-20y, -'"" 'f ~1;0 - Ft. thi:~ ratio was botween. *900 and 2400. The results, of P(,-is-irement are Card 11 /!, --- The Ax~iscrcpy of the: Electrical S/056/60/03B./006/021/049/XX Resit.la-wico of 5117 tuid ill Singe Crys!al~, in B006/Bo-, 0 a Magre.44-_ Fleld 'it 4.20K shc~vn in diagramil. Ftg. I shows the pf~lar c" *h- -~--istsn,7e cf' the Mg aingl-? rryttal qpq,~'men, Fig. 1, that ,f P,. Z -ind "I shcw tne rosistan,*e of the 3pecimens of Mg and Pt. respecri-I.Y. as a funct.lon of H. each for tou differert angles. The fa-I that for core definite angles the relat,'.,7e vilang-i ef renlatan,:ie sh7,vs saturato% ind fcr others an exponen~i.al incrosse indicates that lit and Ft ha-e cpen Ferm' surfaces. it may be asnurt.ed that Mg. like TI. hag a Fermi 3arfa:!e c"' the lype ef a "corrugatud" p3anp, and Pt has ore like EL cylinder ne-.11. Ac3dauician P. ipitsa, is thanked f,-r- )I-, jr r,: a! i- an d G. Krirstwi3 for h,t.' p in the (let erminat ion of he crier,-. a' .7n -:,f the cryq~al S Y.e. S arc-ik and V. G. Volotskaya are mev_!,onvA. Th-_-r~ are 4 fig-ures and 7 r.tiferences. ASSOC TATION. tngttlit fi2ichesk1kh problem Akademil n;.:i-,lk SSSR (Inaltil-.ite for Phsgical Probl.?m!5 c-f ihp A,_a~;ntrly .' S~ience3 IS:3R SUPMITTED~ lan,iPiry Z9. '960 Cari 2 k 86891 3/056/60/039/005/005/051 B029/BO77 AUTRORS: Alok 7iMkIKAj,Lj%. YG.P Gaydukov, Yu. P., Lifshits, I. M., nanaKAY, T. V. TITLH: The Fermi Surface of Tin PERIODIC": Zburnal eksperimentallnoy i tooreticheakoy fiziki, 1960, Vol. 39, No. 501), PP. 1201 - 1214 TEXT: Tho author starts by &nalysing the geometrical conditions of the Fermi eur~taco for tetragonal. crystale. The following expression is used for the dispersion law E(j): EM - ko-A Cos cpz A2 Cos epz 0-' &P x --- apy I 2f ( 2A 2A I%px Cos Cos 'p. + eon pY c denotes the lattice 3 eon - 21 2A 4 ( 4 A )- constant *long the tetragonal axis [001],and a is the lattice constant Card 1/4