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1. Vortex lattice pinning in a Ba<formula><roman>0.64</roman></formula>K<formula><roman>0.36</roman></formula>BiO<formula><roman>y</roman></formula> thick film

Author

M. Baran, V. I. Gatalskaya, S. V. Shiryaev, Sergei N. Barilo, H. Szymczak, R. Szymczak, and Dionis I. Zhigunov

Subjects
Superconductivity, Physics, Condensed matter physics, Magnetism, Magnetometer, law, Optical engineering, Bundle, Lattice (order), Pinning force, law.invention, Vortex
Abstract

The magnetic properties of thick film of Ba1-xKxBiOy with x equals 0.36, Tc equals 30 K and thickness of 18 micrometers were investigated using SQUID-magnetometer at external fields up to 5 T. It is shown that field dependencies of the critical current Jc(B) in the range of temperature 5 - 20 K and fields above the peak-effect field Hp are well described in terms of the model of small bundle collective pinning regime.© (1999) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

Published
1999
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