Contrast Factors and Character of Dislocations in Cubic and Hexagonal Crystals
Anisotropic strain broadening of diffraction peaks can be parameterised by dislocation contrast factors. A comprehensive software has been developed and made available through the internet to determine the individual and averaged contrast factors which are also compiled for cubic and hexagonal crystals. Using the theoretical and the measured values of contrast factor the microstructure of the specimen can be characterised in terms of active slip systems, Burgers vector populations, dislocation densities and crystallite size- and size distribution.
Yvonne Andersson, Eric J. Mittemeijer and Udo Welzel
I. C. Dragomir et al., "Contrast Factors and Character of Dislocations in Cubic and Hexagonal Crystals", Materials Science Forum, Vols. 443-444, pp. 95-98, 2004