Abstract
The effect of high-power surface acoustic waves (SAW) on the superconducting state of Pb films has been studied in different transverse magnetic fields. It was established that a high-intensity sound wave affects the T c of the film and the character of the superconducting transition, and that the observed changes are the larger, the higher is the SAW intensity. It was found that high-power SAW are capable of inducing vortex depinning in the film and reducing the critical current. Various mechanisms which are responsible for the nature of these effects are discussed.
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Fiz. Tverd. Tela (St. Petersburg) 39, 1753–1760 (October 1997)
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Ilisavskii, Y.V., Yakhkind, É.Z., Gol’tsev, A.V. et al. Nonlinear acoustoelectronic interaction in thin superconducting lead films. Phys. Solid State 39, 1562–1568 (1997). https://doi.org/10.1134/1.1129898
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DOI: https://doi.org/10.1134/1.1129898