SCIENTIFIC ABSTRACT FR:KOSYACHENKO, P.I. TO:KOSHUKHA, P.I.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000825300032-6
• Release Decision: RIF
• Original Classification: U
• Document Page Count: 99
• Document Creation Date: November 2, 2016
• Sequence Number: 32
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTR

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~4CC NRo APGO13UbX-_.-- _._. .____. _ I___
few milliseconds to several :~ecancls the light rum emitters upon cutaf.t cttian;As nc~tico~
ably which indicates that thQre obtains in the ;phasphar a pr'rsiateny polaz�i~at;ion,
which r�duces tha value oi' tha c~ffoctive voltag~e~ acting durint; the pulse r;ncl which '
gradually decreases duxinJ;' the in4;erval between pulses. With a sufaicient~y .t.onE;
i;ntervlal {about 1(3 sec, batween pulses th� liuni;nophar taus time to rr~t~.crn t. c, t.l~r1 i.a~1.#.i:~1
s'tato; in this case rvpl.idated flnshUS aro absra;rved nzu} ttict volt�~�~��aa~ f3c~ata i.r~ s~c~-~,?_
1~5-20 times weaker than L'he cutafC flash. '1'~~a ~nanlin~3nrity of tide ~ versus z~ti:try+~ clurra~
tion curve indicates that the numk~r of iani2iatians L per unit time differs ;a~t: cii:C'fcjr-�
e;at instants in the caursc~ c~i the pulse: L dacr+wr~scs wit}~ t itr>Q. A,n cgc~nt trr ~.~~ ari�--
d~uced for L in tex'ms of thr~ volta~re Vo on the barrier; this egua tiraci has t;ht�e~+ cc~r~~
s'tants, which can be inferred from axperimontal date, arut is basLd on the ~~~ .cu~~J~ti~nza
o;~ impact ionization. ~Sxperimants were undertaken to determinQ the tz�us viceiiae~ of ;tir:
voltage an the barriex; these invalved use of sc~corx}ary short pusses: brial: :~trou~-;c~1�
pulses a~a the main pulse as a pedestal. Satisfi~ctoxy a~,roement is abta:tnart ~�~~twt'_t:ltl
tl~e values obtained in this maimex And one of the Vo ~ f {t) curves ctedczccrl arnzu t}~e
S � f (t) curves. Thus , on the basis of the impact ionisation mechanism rz~~d takirt~ J.na
t+~ account polarisation processes it is feasiblca to e:gaiain the ctepcYnc~i+`~ncc? of th~:~
b;rightnsss of ZnS:Cu eleNtroluwin�scence eta the durntinn of squa~�a voltage taul;.3k~a ~ t%~~.~
s~~mably this dep$rulance is a significant factor in d�tua�mining ttte frQqucncy ch,arac;:ur�~
f~~tics of electraluminascencc under excitation by an a~.ternating voltage. Urig. rest. ' -"
has: ~ farmulas atjd 3 figures.
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ALTHOR: Verarshcha~in, I. K,; Kosyachanka, L, A.
IJIt/049t3/fib/430/OtJ~i f 4647/4ti4~
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TITLE: Kinetics o~ ionization processas involved in the olactr~.~.lcunincscance :)i ."r:~
/Roport, FourtQOiith Con~orcrzac~ on X,ttmintcscc~~~ tic~ltl iii It.il;a lfi-~,3 ,~o ,t:amt~or. 1.�)ta.~
~ ~. ~ c� ~~ ~ r i
SOURCE: AN SSSR. Izvestiya. Seriysa fizichoskaya, v. 34, rio. 4, 19fi&, 607-609
TOPIC TAGS: electralrnninescenc�~ zinc sulfid9~ r,~-.~r.~~:~'" wn~>)a.-~~-o.~�.~ .Qu,}~.,r,,,~~.~on.
AASTItACT: In n series of ~~ :~ it*r i~ubl~~~-;- ~.~.~z1s ono F.~a, ~~~o at.;t:I~r.r-~ f g.I{.Vr?~�~:~}:yer. Xn tha prc~sont i~npoz� at la t~atUCI I
that according to tho dats~ o~ oth4~r investi~r>:tora palari~ation I.~racesee:z aro also in_ j
volved in the Qloctrol;~naineseonce ai 'LnS:Cu. It has also been stacrmz that t.ht~ ~ns~in
luminescence is pi~oduceci incident to r�turn of ~elactrans to tt;� .ian.lznd ccjr;t.c~a�v r:t ;.I;~
i;nstar~t o~ cuta:~:~ of tt>o valtFa~o pul:~ca, ,tc- tlxx~i, thc~ strc~r~E,tlY :~ c;~ L1;~ ilr~~,i; U �) i~ investigated for alternating i~
and pulsed voltages. Samples were chloeen from powdered industrial '
phosphor. A higher inten~city of luminescence i$ observed with
varying voltages than witty the passage of ~ constant current
through the crystal. Current-valtagel ctia~racteristies are
detex-~nined for the unexcited {dark] cdndition and wrhen the oryata~
is exposed to ultraviolet radiation. The form of these curv�s is"
indepenclant of the polarity an~i a,e~ typ~.cal of the ctlrveis f'ar
~lemicr~nductvr diodes. The increase i~~; photocurrer>tt at large!
voltages may be partially due to ltecrt ins but can on l.y be
$ati~afactorily explained by the multipl~,cr~tion of carr~.ers. Tl~e
multip:l.icatic~n coefY.'icient ~ fray a given voltage V on the
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Some Properties of the System CdSb ~, ZnSb S/1~31/bO/UU2/OQ7/O21/O42
130Ob/AObO
given in Table 1. Figs. 2 and ~ ahow the i~~othermal lines of x~ a., Py and
s,e well as of tyre e,etivation energy ~~ E,~ as a funr..tion of the c;amposi-.
tioa. of the specimenss at 10oC (Fig. 2) and at 13OoC (Fig, 3)o In the camz~
po3ition 1 (i.e, s' S0 o CdSb + 50 o Zn3b) Rfl '-s9 au r~ E have a maximums 4 has
a m~.nimum~ Of these specimei~sp rricroetruatur�e and niicrc~hardness were a;lsc~
gtud~.ed. For.' +,hn r~iaalysis of microstz~zaturl~ the ~+pac~imens were gxau.nd,
polishedfl and etched with these differ�nt ~~gerits. The oriaracteriaf,ic r~truG~-�
tore obts.ingd for composition 1 is ehawn i,:r Fig. 4A while Fig. 5 shows that
cif aompositicn 2. Composition 1 exhibits i~nGlusior~e of excess antimony. ~Ii~ro-
hardneea far these inclusioz~a amounted to S~ ~~ 9~ kg/uim~ (wr.iah G4xresponds
to thg value for Sb); the mein phase had a h~ardneas of 15~ kg/mm y whi.rh
c:nrreaponds n�itlaex to that of the initial camponFncs nor to that of their
binary campounds. Compositions ~ and 4 showed a microstxuc:ture oaxrespond~~~
i.r~g t,c~ that of the eutectio. It can be canuluded franc the results ttr~.rt
t;c~wpnsition 1 forms an ordered solid salut-ian or the chemical compasit:lai~
ZnCdSb The resul~:s ~~f an X-~r~a.y structural study ('~'abie 2) led +,a the re~.
:cult ~tYiat the phase arising with composition 1 possesses properties ~Rhich
rorae~,derebly differ Pram those of tae binary in:itzal eom~.7oundso ThQ authors
f1.rally thank V~ Ia PsareYr~; Candidate of T~echnic~~. S,iQraces for his
c~ra ~~/3
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AUTHORS 4 Pilot ~ I~ lYta s Boroditigts, Goo S~ y Kosyachenkoy L~ t
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jiRayk0 y V o ~ e _ .__ _~...._.. ,,..
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TiTL'Le Some F'raperties of the SygtElm CdSb ~~~ ZnSbv~
PERTODICAL~ Fiz:ika tverdago telay 19bOti Vol. 2s r1o., 7y pp-, 1522 .525 '~
r~ ~~~ ~'
TEXT 4 The physical properties of the ayste+m t;dSb -~ 7n~b were silready /v/~
preuiat~siy atuda.edY but results differedy s z~ce f~ie~ern~~ers,tl~r4 conditions
during the melting of the initial. components were not unifarm~ Pieter the
Au{hats report on new experiments made on ~'iue specimens (at ~~ rat la of
almost 1 : i of the initial component q~ a The following wark3 mea:~,.red ; temper--
a,t1.~r~s dependence of the electrical canductl,v~.ty Qi the therma.emf a4 th.e
~a~,l.l aun~atant RS e,n~.l the ~soe~.ficient of thFlrm~il ~'~:.r~cltic;tit+~.ty ~ a.zi '-ire x~~j.r~~;e
from T~ec~m temperature to 200 C. Fib;.. 1 shawl , ~~~e isoth~:rr;~~:,,1 l i~!e;~ oaf trlerrr7.1
cor.du~:.iv~:ity for fire d Ifferen~t tamperaturE~g r~s a funct.c>c; of the ~';ompt~s~i-
tin.n of the spACimer~s inveetigated. Ttie l.owrer the temperature ~ the more
marked is the maximum arieing i.n composition 1. The r~~ar~~~7ei~. c5r, tho .huri~ss
from ~ . o a 5 denote the numbers ax the :3pecx rtPn:; , whCsEB ~;~~mpn~ ~. w1 on as
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.. . ~.: 3
NEDELIN, 5.I.; GUMEROV, R.M.; KORYUNOV, 5.N.; MOZHIN, V.P.; KOSYACHENKO
G.P._, Prof., red.; KONDR.AT'Y~VA, A,, redeizd--va; i~~3EDEV; ,~