3.2.1. ij p-n- 糿 p- () n- 1,11021 /3 , 䳺 k = 11028 /4. Wn = 1,5 , Wp = 2 . n- Lp = 30 , p- Ln = 20 . 糿 Dp = 1,210-3 2/c, 糿 Dn = 3,410-3 2/c. p-n- S = 300 2.
:
1) ';
2) ;
3) ;
4) . URD = 5 ;
5) , URD = 5 ;
6) , UFD = + 0,6 ;
7) , UFD = + 0,6 ;
8) .
.
1. (3.1) , p-n- , ND = 1,1.1021/3. (3.1) , p-n-, , : N =1,1.1021/3 . ,
U0 = ln , |
U0 = 0,0258922,4 = 0,58 . |
2. (3.28)
, |
=(461,410-21)1/3 = 7,7310-70,77 . |
3. ( x = 0). (3.23)
(0) = - q = -q , |
(0) = 1,60210-19 = - 1,13106 . |
4. (3.29)
l = , |
l = 0,773 = 1,64 . |
5. (3.31) (3.32)
Cj00 = , |
Cj00 = = 13810-6 = 1,3810-4 ; |
Cj0 = , |
Cj0 = = 0,6510-4 . |
6. pno npo
pnon no= , |
pno = = = 2,041011 -3 . |
npo p , n-
|
|
npo = 2,041011 -3, |
.
7. :
(xn) = pno ; |
(-xp) = npo . |
, ,
(xn) (-xp), |
(xn)2,041011 =2,151021 -3 |
8. (Wn<< Lp; Wp<<Ln), (3.43)
IFD = Sq , |
IFD =1,60210-1930010-12 x x =2,2.10-4 A. |
9. (3.47)
ISD = qS , |
ISD= 1,60210-1930010-12 = = 2,1.10-14 A. |
3.2.2. ij (111) n ND = 1.1023 -3 . 10 2. 300 :
1) U0 ;
2) ;
3) U = +0,4 .
.
1. U0 (3.52)
. |
2. (3.65) . 3.2
, | |
1,48.10-13 . |
3. (3.66)
, |
. |
1. . . ̳. 3 . . 1. []: . . / . . , . . . / . . . . .: ., 2004. 431 .: .
2. . . ̳. . . []: . . / . . , . . . / . . . . .: ., 2005. 167 .: .
3. -: . ./ . .. . - .: , 1975. - 527 ., .
4. .., .., .. - . - .: . , 1981.- 304 .
5. .., .. : . / . .. . - .: , 1983.- 232 ., .
IJ 2. в ϲ² в˲.. 190
2.1. 190
2.1.1. . 190
2.1.2. 192
2.1.3. .. 195
2.1.4. .. 196
2.2. 197
. 200
3.1. 202
3.1.1. ij p-n-.. 202
3.1.2. ij 215
3.2. 223
. 229