Mechanical Properties of СeF3 Single Crystals
- Authors: Sizova N.L.1, Karimov D.N.1, Kosova T.B.1, Lisovenko D.S.2
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Affiliations:
- Shubnikov Institute of Crystallography, Federal Research Center “Crystallography and Photonics,” Russian Academy of Sciences
- Ishlinsky Institute for Problems in Mechanics, Russian Academy of Sciences
- Issue: Vol 64, No 6 (2019)
- Pages: 942-946
- Section: Physical Properties of Crystals
- URL: https://journals.rcsi.science/1063-7745/article/view/194331
- DOI: https://doi.org/10.1134/S1063774519060208
- ID: 194331
Cite item
Abstract
The anisotropy of the mechanical characteristics of CeF3 crystals (sp. gr. \(P\bar {3}c1\)) grown from the melt by the Bridgman technique has been studied for the first time. The variability of Young’s modulus, the shear modulus, and the Poisson’s ratio has been analyzed and the Vickers microhardness HV of the (0001) and \((10\bar {1}0)\) crystal planes at room temperature has been determined (2.9 and 2.3 GPa, respectively, under a load of P = 60 g). The \({{\{ 11\bar {2}0\} }}\) primary cleavage surfaces (slip planes) and the \({\text{\{ }}10\bar {1}0{\text{\} }}\) and {0001} secondary cleavage planes for the CеF3 crystals have been established. A correlation between the shape of Vickers indentations and the Young’s modulus anisotropy have been observed.
About the authors
N. L. Sizova
Shubnikov Institute of Crystallography, Federal Research Center “Crystallography and Photonics,”Russian Academy of Sciences
Author for correspondence.
Email: nsizova37@mail.ru
Russian Federation, Moscow, 119333
D. N. Karimov
Shubnikov Institute of Crystallography, Federal Research Center “Crystallography and Photonics,”Russian Academy of Sciences
Author for correspondence.
Email: dnkarimov@gmail.com
Russian Federation, Moscow, 119333
T. B. Kosova
Shubnikov Institute of Crystallography, Federal Research Center “Crystallography and Photonics,”Russian Academy of Sciences
Email: dnkarimov@gmail.com
Russian Federation, Moscow, 119333
D. S. Lisovenko
Ishlinsky Institute for Problems in Mechanics, Russian Academy of Sciences
Email: dnkarimov@gmail.com
Russian Federation, Moscow, 119526