MICROSTRUCTURE OF A CrSi2 TRANSITION LAYER PRODUCED BY HOT PRESSING OF Cr AND Si
- Authors: Lukasov M.S.1, Arkharova N.A.1, Orekhov A.S.1, Rakova E.V.1, Solomkin F.Y.2, Klechkovskaya V.V.1
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Affiliations:
- Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia
- Ioffe Institute, Russian Academy of Sciences, St. Petersburg, 194021 Russia
- Issue: Vol 68, No 4 (2023)
- Pages: 615-620
- Section: НАНОМАТЕРИАЛЫ, КЕРАМИКА
- URL: https://journals.rcsi.science/0023-4761/article/view/137445
- DOI: https://doi.org/10.31857/S002347612360026X
- EDN: https://elibrary.ru/IBYRNK
- ID: 137445
Cite item
Abstract
Hot pressing of a Si single crystal in the bulk of electrolytic Cr powder at 1213 K, with subsequent annealing in air, leads to the formation of an intermediate polycrystalline silicide layer at the interface between the initial components. The phase composition and microstructure of the transition layer and its vicinity were investigated by scanning electron microscopy, X-ray energy-dispersive microanalysis, and electron backscatter diffraction. The transition layer has a crystal structure of the hexagonal phase of chromium disilicide (sp. gr. P6222). An additional annealing up to 120 h leads to insignificant recrystallization of small grains into larger ones.
About the authors
M. S. Lukasov
Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia
Email: klechvv@crys.ras.ru
Россия, Москва
N. A. Arkharova
Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia
Email: natalya.arkharova@yandex.ru
Россия, Москва
A. S. Orekhov
Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia
Email: klechvv@crys.ras.ru
Россия, Москва
E. V. Rakova
Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia
Email: klechvv@crys.ras.ru
Россия, Москва
F. Yu. Solomkin
Ioffe Institute, Russian Academy of Sciences, St. Petersburg, 194021 Russia
Email: klechvv@crys.ras.ru
Россия, Санкт-Петербург
V. V. Klechkovskaya
Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Moscow, 119333 Russia
Author for correspondence.
Email: klechvv@crys.ras.ru
Россия, Москва
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