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NANOCRYSTAL SHAPE ANISOTROPY DETERMINATION USING EXAFS

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10.31857/S00444510240107e7
Published 2023-03-09
Article , RCR5107, Volume 165, Issue 1, 61-68
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Svit K. A., Zhuravlev K. S. NANOCRYSTAL SHAPE ANISOTROPY DETERMINATION USING EXAFS // Journal of Experimental and Theoretical Physics. 2023. Vol. 165. No. 1. pp. 61-68.
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Svit K. A., Zhuravlev K. S. NANOCRYSTAL SHAPE ANISOTROPY DETERMINATION USING EXAFS // Journal of Experimental and Theoretical Physics. 2023. Vol. 165. No. 1. pp. 61-68.
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TY - JOUR
DO - 10.31857/S00444510240107e7
UR - https://jetp.colab.ws/publications/10.31857/S00444510240107e7
TI - NANOCRYSTAL SHAPE ANISOTROPY DETERMINATION USING EXAFS
T2 - Journal of Experimental and Theoretical Physics
AU - Svit, Kirill A
AU - Zhuravlev, Konstantin S.
PY - 2023
DA - 2023/03/09
PB - Nauka Publishers
SP - 61-68
IS - 1
VL - 165
ER -
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@article{2023_Svit,
author = {Kirill A Svit and Konstantin S. Zhuravlev},
title = {NANOCRYSTAL SHAPE ANISOTROPY DETERMINATION USING EXAFS},
journal = {Journal of Experimental and Theoretical Physics},
year = {2023},
volume = {165},
publisher = {Nauka Publishers},
month = {Mar},
url = {https://jetp.colab.ws/publications/10.31857/S00444510240107e7},
number = {1},
pages = {61--68},
doi = {10.31857/S00444510240107e7}
}
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Svit, Kirill A., and Konstantin S. Zhuravlev. “NANOCRYSTAL SHAPE ANISOTROPY DETERMINATION USING EXAFS.” Journal of Experimental and Theoretical Physics, vol. 165, no. 1, Mar. 2023, pp. 61-68. https://jetp.colab.ws/publications/10.31857/S00444510240107e7.
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Keywords

EXAFS
nanocrystals
shape anisotropy

Abstract

Using the set of the nanocrystals (NC) having the rectangular parallelepiped shape and a cubic crystal structure of the zinc-blende type as model system, the possibilities of determining the NC shape anisotropy using the polarized EXAFS technique were demonstrated. It was shown that the effective value of the coordination number of absorbing atoms in an NC with anisotropic shape depends on its size and the orientation of the X-ray radiation polarization vector relative to the NC surface. The effective values of the coordination numbers of the first coordination sphere of atoms in NCs having different size and surface composition were modeled. Taking into account the influence of the experimental error of the EXAFS method the possibilities of the model applicability for analysis of the real systems with NC were analyzed.

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