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Pinning of a Magnetic Flux in Polycrystalline YBa2Cu3O6.92 HTSC during Cooling in a Weak Magnetic Field
- Authors: Trusevich N.G.1, Gavrilkin S.Y.2, Trakhtenberg L.I.1,3
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Affiliations:
- Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences
- Lebedev Physical Institute, Russian Academy of Sciences
- Moscow State University
- Issue: Vol 164, No 3 (2023)
- Pages: 413-419
- Section: Articles
- URL: https://journals.rcsi.science/0044-4510/article/view/148063
- DOI: https://doi.org/10.31857/S0044451023090109
- EDN: https://elibrary.ru/KDUYAY
- ID: 148063
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Abstract
The behavior of fine-grained YBa2Cu3O6.92 HTSCs during cooling in a weak magnetic field is investigated. The magnetization of samples, the crystallite sizes is which are comparable with the magnetic field penetration depth, is comprehensively analyzed in the range below the superconducting transition temperature. When the crystallite size is smaller than 0.5 μm, vortices are shown not to be fixed to pinning centers, and the temperature dependence of magnetization is completely determined by the screening of crystallites and the temperature of appearance of intercrystallite superconducting currents.
About the authors
N. G. Trusevich
Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences
Email: trousevich@gmail.com
Moscow, Russia
S. Yu. Gavrilkin
Lebedev Physical Institute, Russian Academy of Sciences
Email: rousevich@gmail.com
Moscow, 119991 Russia
L. I. Trakhtenberg
Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences;Moscow State University
Author for correspondence.
Email: rousevich@gmail.com
Moscow, Russia; Moscow, 119991 Russia
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