, .
. .
AsGa, AlxGa1-xAs. Ga, Al. =0.15÷0.3. Al, Ga, As . AsGa 1.41 , AlAs 2.2 .
∆ ∆v , . (-), , , ( 1 ) ( 4-5 ). .., : ∆, , .
.
( - ) ns≈108 c-2, , (1010 c-2). , . , GaAs 107 2/∙, , 5∙104 2/∙.
:
1. ∆ ∆v;
2. .
GaAs 1012 c-2.
, ns , , .
Ge Si
GexSi1-x│Si
GexSi1-x│Ge
Ge Si ( Si - 5.430 Å, Ge 5.660 Å 4%), . ( ).
, , , , ( ).
|
|
, . .
l>>W, , :
, ∆ ∆v.
.., , .