반도체소자 솔루션 Donald A. Neamen 이진구 공역 / Mcgraw Hill (구매자 판매중지)

Semiconductor Physics and Devices: Basic Principles, 3rd edition Solutions Manual
Chapter 1 Problem Solutions
Chapter 1
Problem Solutions

1.1 (a) fcc: 8 corner atoms × 1/8 = 1 atom 6 face atoms × ½ = 3 atoms Total of 4 atoms per unit cell (b) bcc: 8 corner atoms × 1/8 = 1 atom 1 enclosed atom = 1 atom Total of 2 atoms per unit cell (c) Diamond: 8 corner atoms × 1/8 = 1 atom 6 face atoms × ½ = 3 atoms 4 enclosed atoms = 4 atoms Total of 8 atoms per unit cell 1.2 (a) 4 Ga atoms per unit cell Density = 4 atoms per cell, so atom vol. = 4 Then 4 Ratio =

FG 4πr IJ H3K
3

16 2 r (c) Body-centered cubic lattice 4 d = 4r = a 3 ⇒ a = r 3 Unit cell vol. = a =

3
FG 4πr IJ H 3 K × 100% ⇒

3 3

Ratio = 74%

F 4 rI H 3K

3
2 atoms per cell, so atom vol. = 2 Then
FG 4πr IJ H3K
3
b
4
?8

5.65 x10

g
3
⇒
22 ?3
D…(생략)