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Lattice parameter determination by coincidental multi‐beam X‐ray diffraction
Author(s) -
Borcha Mariana,
Fodchuk Igor,
Krytsun Igor
Publication year - 2009
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.200881617
Subject(s) - superposition principle , diffraction , lattice (music) , scattering , lattice constant , beam (structure) , silicon , x ray , x ray crystallography , optics , computational physics , materials science , physics , quantum mechanics , optoelectronics , acoustics
High‐precision determination of the absolute value of lattice parameter for cubic single crystals is demonstrated by the example of silicon using coincidental multi‐beam X‐ray diffraction realized by superposition of two three‐beam reflections at fixed sample temperature. Based on a semi‐kinematical approximation of X‐ray scattering theory, the algorithm for calculation of multi‐beam diffractograms is developed enabling a more thorough quantitative analysis of experimental results.

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