Chin. Phys. Lett.  1988, Vol. 5 Issue (4): 185-188    DOI:
Original Articles |
LOW AND AUDIO FREQUENCY INTERNAL FRICTION IN HIGH Tc Y-Ba-Cu-O SYSTEM
CHEN Tingguo;ZHANG Jihua;HUANG Ji;CHEN Yuan;YANG Minjie;XIE Xiaoming;LI Tingwei;Xie Leiming
Institute of Metallurgy, Academia Sinica, Shanghai
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CHEN Tingguo, ZHANG Jihua, HUANG Ji et al  1988 Chin. Phys. Lett. 5 185-188
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Abstract Low and audio frequency internal friction ( IF) measurements in Y1Ba2Cu3O7-x system showed five IF peaks at 110, 200(2430Hz), 220, 393 and 477K( ~ 1Hz )respectively. The 477K peak rises gradul1y with the escaping of oxygen atoms from the specimen during measuring process in vacuum and shifts to higher temperature with increasing frequency. The 477K peak is attributed to the diffusional relaxation process of oxygen atoms related to the one-dimensional Cu-O chains in the orthorhombic phase.
Published: 01 April 1988
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y1988/V5/I4/0185
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CHEN Tingguo
ZHANG Jihua
HUANG Ji
CHEN Yuan
YANG Minjie
XIE Xiaoming
LI Tingwei
Xie Leiming
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