ULTRASONIC-ATTENUATION IN BISRCACUO CRYSTALLINE SUPERCONDUCTOR

被引：1

作者：

KAWAI, Y

BRABERS, VAM

SIMSA, Z

机构：

[1] ACAD SCI CZECH REPUBL,INST PHYS,CR-16200 PRAGUE,CZECH REPUBLIC

[2] GAKUSHUIN UNIV,FAC SCI,TOKYO 171,JAPAN

[3] EINDHOVEN UNIV TECHNOL,DEPT PHYS,5600 MB EINDHOVEN,NETHERLANDS

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1995年 / 140卷

关键词：

D O I：

10.1016/0304-8853(94)00862-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Temperature dependencies of acoustic loss and Young modulus of Bi2Sr2CaCu2O8 high temperature superconductor were measured by a composite-bar resonator method at 99 and 156 kHz and at temperatures between 80 and 300 K. The two main relaxation peaks near 170 and 230 K were ascribed to the electronic and the oxygen displacement structural transitions, with the activation energies of 0.1 and 0.35 eV, respectively.

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页码：1313 / 1314

页数：2

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