F2011_ECE132_MTSoln

F2011_ECE132_MTSoln - K;v Name 132 Midterm November 3,...

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Name K;v ECE 132 Midterm November 3, zAL]- [25 pts uniforn and Nn 1lI tl 2)[ 10Mt {t ,€E ,U6r,'t7t *1010 cm-s is = 4 {.l$re gBi*s tion. Calculate 1) { uLL 6€cAu Mv ,l url e#c [4" * AJa : it0 tl ,7 -''[- + l/a ,fo Vl o lli' w fr" '/Jy; (a ft e, ir&,t (6 AIA : e1 . ft) t& cu<- v l0 -i* &$4- 'l o {6 o. *:' *" i. */ > Ale, t ' z utnc-'*'1 I l'o Lau.- or l,4ni lr A cfia! 7> ho: 1r,z - fiz : tg) = f L. o 'o * * T = f" I I I_-4 z) r, ' h,' = 'l,i l0 "L' t iri - €r) L' i'l / ; t, {.:"f -t,t:; IA 'Inn iL:J'': i t,E ' ft)lo k "f f,'w ,'t.f i { uu,'I f /; lb, -[,-= \r l-- j 67 Mev t' 0p\ onductor at 300K with intrinsic carrier concentration ni = 1'5 with both donors and acceptors, with dopant concentrations Na ctn-3, sume full ionization and justify why this is a reasonable assump .ium concentration of both free electrons and holes. lculate the Fermi level relative to the intrinsic energy, Ei - EF' tf ,4 {'t&Al0*&at,e.u} sJ (/t4fv'to't' 5) , | , ,t' { ,, uT A)c ,
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IIi {ZS ptsl Hali measurements
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This note was uploaded on 12/28/2011 for the course ECE 132 taught by Professor Denbaars during the Fall '08 term at UCSB.

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F2011_ECE132_MTSoln - K;v Name 132 Midterm November 3,...

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