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86 ^1l3al ell0lul =ar. iIE A+qlE n4 pts E9aJ <1"14. f,felE.ilql^l +r]g a'Elq fE niel alE 49 4"1 CB.J9 "J+ 9l+. n = p = nr """' """ (3-1) rrp = ni2 (3-z) r++^] niz* gEq Erf "lE d4 =9 A + tlgql ^'l ni=1.4x10'o/r', n7'2 =2rlO'20/cnuol 4. Hls.Z1.llql^] F"J 6.J +E dxls+ zJ *"1 c c g a +ql= 5ol + €]Jt"l .J g'Izl g*=trt. rq+ Hlszlql I,l elE B+59 ?zlalE Ef,gg ++ql rIlzl dzl +g ,J*9 izl GzI6Ir a- 44 Hls;13 +++ +Cg +Eld+. U -l si I 1*} si R b) tl "J € dzl' U lsl fl lsi R a) n "Jqa* r= 3-4 go{c^le+ go{88 d4=e el4ql Utl4 dzlE zlz)4 "JdaJ 4z\g d4= flzle+ dzlE *++ trI. III4^] d4Eflz}= ql(P)+ Ae v+ flre.4^16'IE t:z? 3-a(a)14 ?ol p = z}^l"l 7l4 szl9 dxlE "JdaJ 449 d4=gz}e+ *fralEr]l, ol "I aEr6l,<l *oJ dz} + zlzl z}+dzlzl qq d+= g4Al g+. ole+ ,Jol qgq ds.3z1 = zlzlY Hls.z1E n€ Hls;14 6J+. olql Hldtl d4= flzl= B+ Ae I[+ flzls El]^16]E dz]g ++eE oJall [rH 3-4(b)]e+ 7Jo) tzlg c*ol ^g7lAl g=rtl ol elal H]s;15 p€ H]s.;12; ++. ol++ ,Jol HIE;1q1 3+ +g b+ flzlE +"JdI= ,)g Eg(doping)o14 6I q EB flzlzl qBe_l dzlE *=|6IL+ a*g *#6IL+ql "+rI EuJ(donor)E = " -4del(acceptpr)4 ++. Eq'l .ldelg *g Hls.^1e-1 +glil4 (cm)'* flzlf -a +4uXq 44 No q NaE _s.716}+. d4=9 A+= els EE EL.l flzlerJ = V+E P, As, Sb, .-4del flxls= B, Al, Ga E"J ae_ ^l+gtr+. *s:1qlql^l