Vortex lattice pinning in a Ba0.64K0.36BiOy thick film

Sergei N. Barilo; Valentina I. Gatalskaya; Sergei V. Shiryaev; Dionis I. Zhigunov; Henryk Szymczak; Rita Szymczak; Marek Baran

doi:10.1117/12.344711

8 April 1999 Vortex lattice pinning in a Ba_0.64K_0.36BiO_y thick film

Sergei N. Barilo, Valentina I. Gatalskaya, Sergei V. Shiryaev, Dionis I. Zhigunov, Henryk Szymczak, Rita Szymczak, Marek Baran

Author Affiliations +

Proceedings Volume 3725, International Conference on Solid State Crystals '98: Epilayers and Heterostructures in Optoelectronics and Semiconductor Technology; (1999) https://doi.org/10.1117/12.344711
Event: International Conference on Solid State Crystals '98, 1998, Zakopane, Poland

Abstract

The magnetic properties of thick film of Ba_1-xK_xBiO_y with x equals 0.36, T_c 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 J_c(B) in the range of temperature 5 - 20 K and fields above the peak-effect field H_p are well described in terms of the model of small bundle collective pinning regime.

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Sergei N. Barilo, Valentina I. Gatalskaya, Sergei V. Shiryaev, Dionis I. Zhigunov, Henryk Szymczak, Rita Szymczak, and Marek Baran "Vortex lattice pinning in a Ba_0.64K_0.36BiO_y thick film", Proc. SPIE 3725, International Conference on Solid State Crystals '98: Epilayers and Heterostructures in Optoelectronics and Semiconductor Technology, (8 April 1999); https://doi.org/10.1117/12.344711

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