Ultrasonic Attenuation of Transverse Waves in V, Nb, and Ta for
- 1 December 1963
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 132 (5), 2039-2046
- https://doi.org/10.1103/physrev.132.2039
Abstract
The temperature dependence of the ultrasonic attenuation coefficient of transverse waves with a wave vector parallel to was measured in superconducting V, Nb, and Ta. The product of the wave vector times the mean free path was smaller than one during these measurements. The sharp drop in the attenuation coefficient below the transition temperature, which is found when , was not present. The zero-temperature energy gap was found to be for V, for Nb, and for Ta.
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