Abstract
The macroscopic properties of the elasticity of simple (Nb) and complex (YBa2Cu3O7 − x ) superconductors with a high critical temperature T c are measured and calculated. The longitudinal and transverse acoustic wavelengths are calculated and compared to the lattice parameters and the bond lengths in the superconductors and to some electronic properties. The results of measuring the damping of longitudinal vibrations and calculating the bulk modulus point to significant anomalies at temperatures above the critical temperature.
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Original Russian Text © O.K. Belousov, B.P. Mikhailov, N.A. Palii, 2014, published in Metally, 2014, No. 6, pp. 29–42.
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Belousov, O.K., Mikhailov, B.P. & Palii, N.A. On the role of acoustic phonons in superconductivity. Russ. Metall. 2014, 876–887 (2014). https://doi.org/10.1134/S0036029514110020
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DOI: https://doi.org/10.1134/S0036029514110020