A METHOD OF DETERMINATION OF CRYSTALLITE SIZE FROM LINE PROFILES FITTED BY THE WEIGHTED GAUSS-CAUCHY COMBINATION FUNCTIONS
一种用加权高斯-柯西组合函数拟合对称衍射线形测定晶粒大小的方法

In this paper, a new method for determining the crystallite size from line profile analysis is presented. The diffraction line profiles are fitted by weighted Gauss-Cau-chy combination functions. By using Fourier transform method, the integral width of pure physical brodening function f(x) can be obtained directly without assumption about the profile f(x). The method is more accurate, simple and convenient than the usually used methods of approximate functions, and the artificial and arbitrary nature of the assumption about function f(x) are avoided.