Abstract
TbF3 (sp. gr. Pnma) crystals up to 40 mm in diameter have been grown from melt by a Bridgman technique. The anisotropy of their mechanical properties is studied for the first time. the technical elasticity constants are calculated, and room-temperature values of Vickers microhardness for the (010) and (100) planes are measured. The shape of indentation impressions is found to correlate with Young’s modulus anisotropy for TbF3 crystals.
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Original Russian Text © D.N. Karimov, D.S. Lisovenko, N.L. Sizova, B.P. Sobolev, 2018, published in Kristallografiya, 2018, Vol. 63, No. 1, pp. 106–113.
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Karimov, D.N., Lisovenko, D.S., Sizova, N.L. et al. Anisotropy of the Mechanical Properties of TbF3 Crystals. Crystallogr. Rep. 63, 96–103 (2018). https://doi.org/10.1134/S1063774518010108
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DOI: https://doi.org/10.1134/S1063774518010108