Small-angle X-ray studies of the GaAs0.7Se0.3 solid solution at energies close to as and Se absorption edges

The possibility of a simultaneous use of X-ray diffraction and X-ray absorption techniques in order to characterize the sizes, shapes, and chemical composition of grains in a sample (the solution of the extended uncertainty problem due to the Babinet principle) is shown. A sample of the GaAs 0.7 Se...

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Bibliographic Details
Published in:Journal of structural chemistry 2014-07, Vol.55 (4), p.786-790
Main Authors: Sharkov, M. D., Boiko, M. E., Boiko, A. M., Bobyl, A. V., Konnikov, S. G.
Format: Article
Language:English
Subjects:
2013
Atomic
Atomic/Molecular Structure and Spectra
Chemistry
Chemistry and Materials Science
Inorganic Chemistry
Molecular
Novosibirsk
Optical and Plasma Physics
Physical Chemistry
Proceedings of the Conference “Methods for Studying the Composition and Structure of Functional Materials,” October 21–25
Solid State Physics
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Summary:The possibility of a simultaneous use of X-ray diffraction and X-ray absorption techniques in order to characterize the sizes, shapes, and chemical composition of grains in a sample (the solution of the extended uncertainty problem due to the Babinet principle) is shown. A sample of the GaAs 0.7 Se 0.3 /GaAs solid solution is investigated on the developed laboratory device for a simultaneous performance of X-ray diffraction and X-ray absorption experiments. It is shown that the GaAs 0.7 Se 0.3 sample decomposes into separate GaAs and GaSe domains forming a mosaic structure. The sizes of GaAs and GaSe domains are estimated. Components with a linear geometry are sometimes revealed in the composition of GaSe grains.
ISSN:0022-4766
1573-8779
DOI:10.1134/S0022476614040301