首页> 外文会议>NATO Advanced Research Workshop on Defects and Surface-Induced Effects in Advanced Perovskites Jurmala, Latvia 23-25 August 1999 >Surface-Induced Drift and Selforganization Features of Microwave Losses in High-T_c Superconductor Perovskites
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Surface-Induced Drift and Selforganization Features of Microwave Losses in High-T_c Superconductor Perovskites

机译:高T_c超导体钙钛矿中微波损耗的表面诱导漂移和自组织特征

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摘要

Pronounced instabilities of microwave magnetomodulated absorption hysteresis signal, important in HTSC microwave band devices, are detected at magnetic field multiple sweep cycling. Mechanism of strong Neel-type pair interactions of shielding current contours, containing HTSC perovskite intrinsic structure defects(pinning centres, weak links, weak sites) and distributed widely over the surface of single crystal or ceramics, is proposed.
机译:在磁场多次扫描循环中检测到在HTSC微波波段设备中很重要的微波磁调制吸收滞后信号的明显不稳定性。提出了屏蔽电流轮廓的强Neel-型对相互作用的机理,其中包含HTSC钙钛矿的固有结构缺陷(钉扎中心,弱连接,弱位点)并广泛分布于单晶或陶瓷表面。

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