( , As, Sb .) . , , , , (. 1).
, , . , , , . . n- (negative-), - .
, . . .., n- . , - . , .. . . , W . (0,010,13 Ge 0,16 Si), , , , "" (. 2).
() () nn0 () pn0 (2.1) :
nn0=Ane^(Wn-W)/kT pn0=Ape^(W-Wn)/kT (2.3)
(2.1), (2.3)
nn0=Ane^(Wn-W+Wi-Wi)/kT=nie^(Wn-Wi)/kT (2.4)
pn0=Ape^(W-Wn+Wi-Wi)/kT=^ nie^(Wi-Wn)/kT (2.5)
, (nn0=N - ), (2.4) : Wn=Wi+kTln(N/ni) (2.6)
(2.6) , n- "" . - (), nn0=N (2.6) . , Wn Wi. - , Wi, .. .
. 1 . 2