Microwave absorption in micron- and nano-size YBaCuO powders

被引：2
|
作者：
Laiho, R
Lähderanta, E [1 ]
Stepanov, YP
Vlasenko, LS
机构：
[1] Univ Turku, Wihuri Phys Lab, Turku 20014, Finland
[2] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia
来源：
PHYSICA B | 2000年 / 284卷
关键词：
microwave surface impedance; nanopowders; YBaCuO ceramics;
D O I：
10.1016/S0921-4526(99)02264-4
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Size-dependent effects of microwave absorption are investigated in micron and submicron size YBaCuO powders. It is shown that the hysteresis and step-like change of field-modulated microwave absorption (FMMA) decreases when the particle size decreases. Two contributions to the relaxation of the FMMA signals were found. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：947 / 948
页数：2
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