ELASTIC ANOMALIES OF HIGH-TC SUPERCONDUCTOR YBA2CU3O7-X BETWEEN 77-K AND 300-K

被引:7
作者
KAMIOKA, H
OKUDA, N
NITTA, S
机构
[1] Gifu University, Yanagido Gifu
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1991年 / 30卷 / 06期
关键词
SHEAR WAVE VELOCITY; COMPRESSIONAL WAVE VELOCITY; ULTRASONIC ATTENUATION; ATTENUATION PEAK; HIGH-TC SUPERCONDUCTOR; YBA2CU3O7-X; RESISTIVITY; MAGNETIC SUSCEPTIBILITY; ADIABATIC BULK MODULUS; SHEAR MODULUS;
D O I
10.1143/JJAP.30.1204
中图分类号
O59 [应用物理学];
学科分类号
摘要
The shear and compressional wave velocities and attenuations in the high-T(c) superconductor YBa2Cu3O7-x are accurately determined by the pulse transmission method using a "dual-type cell" at temperatures between 77 K and 300 K. The temperature dependence of shear wave velocities shows the change of three steps. Three attenuation peaks (shear wave) appear at about 80, 170 and 210 K. The peaks correspond to he steps of shear wave velocity. From measured ultrasonic data, the elastic and inelastic properties of aggregates on YBa2Cu3O7-x are reported, and are discussed on the basis of previous reports.
引用
收藏
页码:1204 / 1208
页数:5
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