1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
{
"metadata": {
"name": ""
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 15 : Semiconductors"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 15.1, Page No 364"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"#initialisation of variables\n",
"rho = 3000.0 # resistivity in ohm m\n",
"mu_e = 0.14\n",
"mu_h = 0.05 \n",
"e = 1.602e-19 # charge on electron\n",
"\n",
"#Calculations\n",
"sigma = 1.0/rho\n",
"n = sigma/((mu_e+mu_h)*e)\n",
"\n",
"#Results\n",
"print(\" Intrinsic carrier density is %.3e m^-3\" %n)\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Intrinsic carrier density is 1.095e+16 m^-3\n"
]
}
],
"prompt_number": 1
}
],
"metadata": {}
}
]
}
|
