Статья

Absorption of longitudinal ultrasound in the high-temperature superconductor Y1.2Ba0.8CuO4−<i>y</i>

А. Г. ИвановPhysicotechnical Institute of the Academy of Sciences of the Ukrainian SSR, DonetskL. P. VolkovaPhysicotechnical Institute of the Academy of Sciences of the Ukrainian SSR, DonetskO. V. GrigutPhysicotechnical Institute of the Academy of Sciences of the Ukrainian SSR, DonetskA. I. PopovichPhysicotechnical Institute of the Academy of Sciences of the Ukrainian SSR, DonetskYu. F. RevenkoPhysicotechnical Institute of the Academy of Sciences of the Ukrainian SSR, DonetskV. M. SvistunovPhysicotechnical Institute of the Academy of Sciences of the Ukrainian SSR, DonetskV. Yu. TarenkovPhysicotechnical Institute of the Academy of Sciences of the Ukrainian SSR, DonetskL. T. TsymbalPhysicotechnical Institute of the Academy of Sciences of the Ukrainian SSR, DonetskA. N. CherkasovPhysicotechnical Institute of the Academy of Sciences of the Ukrainian SSR, Donetsk

Soviet Journal of Low Temperature Physicsjournal1988en

ABI

Аннотация

The absorption of longitudinal ultrasound is studied experimentally in the high-temperature metal-oxide superconductor Y1.2Ba0.8CuO4−y having a transition temperature Tc = 91 K. It is found that at temperatures close to 150 K, the sound absorption decreases sharply upon a decrease in the temperature, attains a minimum value at 130−140 K, and then begins to increase once again. Another absorption minimum is observed below Tc.

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Темы

Physics of Superconductivity and Magnetism Superconducting Materials and Applications Magnetic confinement fusion research

Идентификаторы

DOI: 10.1063/10.0031880

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