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Influence of microwave power on magnetically modulated microwave absorption in a granular high-temperature superconductor

✍ Scribed by J. Stankowski; B. Andrzejewski; B. Czyz̊ak; W. Hilczer

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
341 KB
Volume
215
Category
Article
ISSN
0921-4534

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✦ Synopsis

In this paper we present the influence of microwave power and temperature on magnetically modulated microwave absorption (MMMA) in the granular ceramic superconductor YBa2Cu306.9 (Y-123 phase ). A simple Josephson j unction local-temperature model describing observed changes of MMMA linewidths as a function of microwave power is proposed. The agreement between experimental results and the proposed model proves that in high-temperature superconductors absorption of microwave power occurs mainly in intergrain Josephson junctions of a ceramic sample.

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