Penetration Depth of Tl_2Ba_2Ca_2Cu_3O_y and Tl_{0.58}Pb_{0.4}Sr_{1.6}Ba_{0.4}Ca_2Cu_3O_y Bulk Superconductors

• Authors: R. Zalecki , W. Woch , A. Kołodziejczyk , W. Konig , G. Gritzner
• Languages of publication: EN

Abstracts

EN

The penetration depths of bulk Tl_2Ba_2Ca_2Cu_3O_y and Tl_{0.58}Pb_{0.4}Sr_{1.6}Ba_{0.4}Ca_2Cu_3O_y superconductors with the critical temperatures 112 K and 114 K, respectively, were determined from the AC susceptibility measurements. When the samples are in the Meissner state, the dispersive components of AC susceptibility as well as their temperature dependences reflect the changes of the penetration depths at various temperatures. In these bulk ceramic superconductors the penetration depths are of the order of few μm and they are comparable to the grains sizes in the ceramics.

Keywords

EN

74.72.-h   74.25.Ha   74.25.Wx   74.20.De  

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 126
• Issue: 4a
• Pages: A-133-A-136

Dates

published

2014-10

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Identifiers

DOI

10.12693/APhysPolA.126.A-133