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II- a t£11t?// /;'l",YI7 w,~rJ... q,VI ~xfya. (;,L)r_f)) vp'(PfIt U- e_lecfroV' IS c...dcled foe E'x:i-Yz{ elec_{-r7;" rs /.,VQafc[j It)ouVld Iv -fk_ ~+ a_4h1. ~d r_r. eas/~ exc/-k_d ~ ~ CCNl dtA.ch'ev. ~qJ1d ~ s/~(At?--Abt-.. (S ///07v-a-/e? 0j tte e-r-e» 3c1-~ sh.:»: .; 0StM..-R. .Ct). A f.J.A.4.tJ- Vtt ~ at gtc WI I' ca- dtA-C f.v,_ ~ ~ (' ~ v laa o0-rnivo.J hj tJ.ddt't1f (M./pay/h'e f -# ~ cy.rM' p tJh~/~ dt' -/f ~1Il + tAU ttA bei« { etfle~"t s (-) ov--rJ ~(lleJ (h) ~ C{ 6t'v(~lA ~tv.f{Jva~Y-~(7;). DOP"lI',d =r= I.! Ca- ce: CJ La..." Vvt.A III '-t h..c I- 'V'U. cI "7 CPJv..6, 'n~ 7~ t?t:t-L/-r- ~ ~(elM Pi;1 /-r I~L.. ~ ~ Ii ~ Ot1l~ €ffc26~Pl ~/ pvot/,; ~ 'Jd-f /'~1'lA 4 Y>.n~J1/d€ GCl. /'Is ~ /" cit 'ut;;, ~f,' WtcYI-l/'de (~n Sb) a.f2fholr-,yh- ~ e(eM eu/r _: ~ c~/,<~ IY 4 fL._ r~'~c{,,_'( -ftJo/~ a..R-eu ~v-Q fo~ ~~ e: feC/"otl.r tfd cJ~'f ~l-J- p~.("t.J"les -th:I (]L..Q ~ ~ / PV'~ s:.e ... ,J- F L...A_(,,, reJ~ g; A~"" s~ t.--£ .4 c-v- LI~ c_a_ G!,le c.~ ~ s i/vd /, n k. -h ~ I'V' & VtJ 1~<1~ 0tN1 of~ . ~ useoi .ek~f >1J/~(!y __:_ f'eWJ ~~ CC1/lcfv..c~ devlceJ_ \ 'I

J~ =r= ce - AAST · (,4chC::v. 1.:,41-1. c//' So ~ 4 vt:UT#-1:Mtn~~ t::f/vY'orl a(l ~-ti?e_ dofU-d dec:fYon c ~ ~x;c/-kd /~bUe ... Magdy Saeb Subject: Diode Circuits

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II- a t£11t?// /;'l",YI7 w,~rJ... q,VI ~xfya. (;,L)r_f))vp'(PfIt U- e_lecfroV' IS c...dcled foe E'x:i-Yz{ elec_{-r7;" rs/.,VQafc[j It)ouVld Iv -fk_ ~+ a_4h1. ~d r_r. eas/~ exc/-k_d~ ~ CCNl dtA.ch'ev. ~qJ1d ~ s/~(At?--Abt-.. (S ///07v-a-/e?0j tte e-r-e» 3c1-~ sh.:»: .; 0StM..-R. .Ct).

A f.J.A.4.tJ- Vtt ~ at gtcWI I' ca- dtA-C f.v,_ ~ ~ (' ~ v

laa o0-rnivo.J hj tJ.ddt't1f (M./pay/h'e f -# ~ cy.rM'p tJh~/~ dt' -/f ~1Il + tAU ttA bei« { etfle~"t s (-)

ov--rJ ~(lleJ (h) ~ C{ 6t'v(~lA ~tv.f{Jva~Y-~(7;).

DOP"lI',d

=r=I.! Ca- ce:CJ La..." Vvt.A III '-t h..c I- 'V'U. cI"7 CPJv..6, 'n~

7~ t?t:t-L/-r- ~ ~(elM Pi;1/-r I~L.. ~ ~ Ii ~Ot1l~ €ffc26~Pl ~/ pvot/,; ~ 'Jd-f /'~1'lA 4 Y>.n~J1/d€ GCl. /'Is~ /" cit 'ut;;, ~f,' WtcYI-l/'de (~n Sb)

a.f2fholr-,yh- ~ e(eM eu/r _: ~ c~/,<~ IY 4 fL._

r~'~c{,,_'( -ftJo/~ a..R-eu ~v-Q fo~ ~~ e: feC/"otl.r

tfd cJ~'f ~l-J- p~.("t.J"les -th:I (]L..Q ~ ~ /

PV'~s:.e ...,J- F L...A_(,,, reJ~

g;

A~"" s ~ t.--£ .4 c-v- LI~ c_a_ G!,lec.~ ~ s i/vd /,n k.-h ~ I'V' & VtJ 1~<1~ 0tN1of~ .

~ useoi .ek~f >1J/~(!y__:_ f'eWJ ~~CC1/lcfv..c~ devlceJ_

\

'I

12-0 illustration of the diamond structure.

Free __ +=-~_~~~'_electron

r- a/2 ----1

{ . ( I

L

I·I~

Rg.2.J Illustration of group>-V substitutional impurity in SL

S,;'ce ~ Tupt, ~ ~ i/~y-ef'-eJ,t.I-1' thz. CLUe~

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t::f/vY'orl a(l ~ -ti?e_ dofU-d dec:fYon c ~ ~x;c/-kd /~ b UeCov'dv..ch ~ L:,a. 11\d. cr:~ ~ &l/IdV" ofor/~ /evRI ~ Yo'"e/l?C~I(.1reu (Lui.! ~!UWJ2 IS t{sed/ -14 ~l-al <:::_/ecrrr;vr deJ4..r/~ /14

~ C (7V\ d IA ch' a» 0t:tz",d IJ I'IA t:A-LQ..f--e.d 4.00 (/~ ~ (tiiY'/n ('/'c/(2 lYe! 111/ 1-0 /11 = Z1; -4-N;;

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/" /_~ M,~(1Y;(; ~

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I·~ .\:'I02.L

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