Elastic constants of borocarbides. New approach to acoustic Measurement technique

Abstract

A new version of the phase method of determining the sound velocity is proposed and implemented. It utilizes the ``Nonius'' measurement technique and can give acceptable accuracy (~1%) in samples of submillimeter size. Measurements of the sound velocity are made in single-crystal samples of the borocarbides RNi2B2C (R = Y,Lu,Ho). The elastic constants and the Debye temperature are calculated.

arXiv comment5 figures, 2 tables

References in corpus (2)

• MgB2: synthesis, sound velocity, and dynamics of the vortex phase
• Characteristics of the electric field accompanying a longitudinal acoustic wave in a metal. Anomaly in the superconducting phase

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