A New X-Ray Diffraction Method for Determining the Crystal Size Distribution of a Powder

BARRETT HENRY HEISE, Purdue University

Abstract

The determination of fine crystal size is an old problem in x-ray diffraction theory; however, previous work by the author showed that no reliable solution to the problem had yet been found.The former theory is based on the idea that the crystal size information can be evaluated from the Fourier inversion of the intensity function by analyzing a sum of self convolutions of shape functions. Under the assumptions of the theory, this analysis is made by means of two differentiations. The sum of the self convolutions arises from the assumption that the intensity is proportional to the sum of the squares of the shape function trans forms.

Degree

Ph.D.

Subject Area

Materials science

Off-Campus Purdue Users:
To access this dissertation, please log in to our
proxy server
.

Share

COinS