ELASTIC BEHAVIOR OF SINGLE-PHASE POLYCRYSTALLINE Y1BA2CU4O8 SUPERCONDUCTOR

被引：0
|
作者：
WU, T
FOSSHEIM, K
WADA, T
YAMAUCHI, H
TANAKA, S
机构：
[1] SINTEF APPL PHYS,N-7034 TRONDHEIM,NORWAY
[2] ISTEC,SUPERCONDUCTIV RES LAB,KOTO KU,TOKYO 135,JAPAN
来源：
PHYSICA C | 1991年 / 185卷
关键词：
D O I：
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中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Ultrasonic measurements are performed for the first time in the Y124 superconductor. Both longitudinal and transverse modes are employed and the temperature region covered is from 30K to 330K. A pronounced attenuation peak and accompanying changes in sound velocity are found at about 260K. For the temperature between 200K and 60K, a thermal hysteresis in velocity develops with no simultaneous anomalies observed in attenuation. A mechanism responsible for the anomalies at around 260K is proposed.
引用
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页码：1393 / 1394
页数：2
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