blob: e02954d66e18100ea2a055f06a59d5ce2939f562 (
plain)
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
|
clear
//
//
//
//Variable declaration
h=1
k=1
l=1 //miller indices
lamda=0.152 //wavelength(nm)
D=0.2552 //diameter(nm)
theta1=21*%pi/180 //angle(radian)
theta2=(21+(23/60))*%pi/180 //angle(radian)
//Calculation
a=D*sqrt(2) //lattice parameter for regular crystal(nm)
d111_1=lamda/(2*sin(theta1))
alpha1=d111_1*sqrt(h**2+k**2+l**2) //lattice parameter for sample A(nm)
d111_2=lamda/(2*sin(theta2))
alpha2=d111_2*sqrt(h**2+k**2+l**2) //lattice parameter for sample B(nm)
//Result
printf("\n lattice parameter for regular crystal is %0.4f nm",a)
printf("\n lattice parameter for sample A is %0.4f nm",alpha1)
printf("\n lattice parameter for sample B is %0.3f nm",alpha2)
printf("\n lattice parameter of sample A is 1.75 percent greater than that of pure copper")
|
