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Computer program ANIZC for the calculation of diffraction contrast factors of dislocations in elastically anisotropic cubic, hexagonal and trigonal crystals
Author(s) -
Borbély András,
DragomirCernatescu Juliana,
Ribárik Gábor,
Ungár Tamás
Publication year - 2003
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889802021581
Subject(s) - anisotropy , trigonal crystal system , diffraction , materials science , condensed matter physics , hexagonal crystal system , distortion (music) , dislocation , contrast (vision) , crystallography , tensor (intrinsic definition) , optics , geometry , physics , mathematics , crystal structure , chemistry , amplifier , optoelectronics , cmos
The computer program ANIZC has been developed using the Pascal programming language for the calculation of diffraction contrast factors of dislocations in elastically anisotropic cubic, hexagonal and trigonal crystals. The contrast factor is obtained numerically by integrating the angular part of the distortion tensor in the slip plane. The distortion tensor is calculated by solving the sextic equation provided by the mechanical equilibrium of a single dislocation in an infinite anisotropic medium. The contrast factors can be used for the interpretation of strain anisotropy as obtained from peak profile measurements made on either single crystals, textured polycrystals or powders.