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2007 | 111 | 1 | 99-104
Article title

The Low-Field Ac Impedance of YBa_2Cu_3O_{7-δ} Superconducting Slab

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EN
Abstracts
EN
Using results of surface impedance measurements, the penetration of ac field into a melt-textured YBa_2Cu_3 O_{7-δ} slab was investigated. We obtained a linear correlation between the surface impedance and ac frequency. The impedance curve shifts towards higher temperatures - 0.9 K per decade of the frequency increase, for dc magnetic fieldμ_0H_{dc}≤8×10^{-3} T. This is an evidence of thermally activated flux creep. A plateau in the temperature dependence of the real impedance part was observed at approximately 88 K.
Keywords
EN
Publisher

Year
Volume
111
Issue
1
Pages
99-104
Physical description
Dates
published
2007-01
received
2006-09-04
Contributors
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
  • Donetsk Physico-Technical Institute, Ukrainian Academy of Sciences, 72 R. Luxemburg str., 83114, Donetsk, Ukraine
  • Donetsk Physico-Technical Institute, Ukrainian Academy of Sciences, 72 R. Luxemburg str., 83114, Donetsk, Ukraine
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv111n111kz
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