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Giant microwave magneto‐impedance in a single crystal of La0.7Sr0.3MnO3: The effect of ferromagnetic antiresonance

 

作者: S. E. Lofland,   S. M. Bhagat,   S. D. Tyagi,   Y. M. Mukovskii,   S. G. Karabashev,   A. M. Balbashov,  

 

期刊: Journal of Applied Physics  （AIP Available online 1996）
卷期: Volume 80, issue 6  

页码: 3592-3594

 

ISSN:0021-8979

 

年代: 1996

 

DOI:10.1063/1.363275

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We show that at about 340 K a large (&bartil;50%) change in the microwave absorption of a single crystal of La0.7Sr0.3MnO3is caused by the application of a field of just a few tens of mT. This large magneto‐impedance occurs at 10 GHz but is absent at 36 GHz, and we demonstrate that these results follow from the frequency and field dependence of the dynamic permeability of a ferromagnetic conductor. ©1996 American Institute of Physics.

 

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