Abstract
For Y1Ba2Cu3O7, using only reported monocrystal measurements and some analysis–theory, we estimated the complete nine-component orthotropic-symmetry elastic-stiffness matrix, the Voigt Cij matrix. Comparison with very-high-frequency tetragonal-symmetry phonon-dispersion results shows good agreement (9% on average), except for C12.
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Ledbetter, H., Lei, M. Monocrystal elastic constants of orthotropic Y1Ba2Cu3O7: An estimate. Journal of Materials Research 6, 2253–2255 (1991). https://doi.org/10.1557/JMR.1991.2253
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DOI: https://doi.org/10.1557/JMR.1991.2253