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//Example 5_16
clc();
clear;
//To calculate the difference between the samples
d=0.2552
a=d*sqrt(2)
lamda=0.152 //units in nm
theta=21 //units in degrees
//For sample A
d111=lamda/(2*sin(theta*%pi/180)) //units in nm
h=1
k=1
l=1
a=d111*sqrt(h^2+k^2+l^2) //units in nm
printf("For sample A a=%.4f nm",a)
//For sample B
theta=21.38
d111=lamda/(2*sin(theta*%pi/180)) //units in nm
h=1
k=1
l=1
a=d111*sqrt(h^2+k^2+l^2) //units in nm
printf("\nFor sample B a=%.4f nm",a)
printf("\n Sample B is pure high purity copper as lattice parameter of A is 1.75percent greater than that of pure copper")
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