Computer program for beginners to assist interpretation of electron diffraction patterns

Abstract

A computer program to assist interpretation of electron diffraction patterns is described, especially for TEM beginners. The program contains drawing of diffraction patterns including high-order Laue zones and the extinction rule, and calculation of crystal orientation from observed diffraction patterns. Furthermore, combination with a slow-scan CCD camera that takes diffraction patterns in a computer realizes real-time determination of minerals and their orientations during TEM observation.