Possible Josephson-like behavior of the YBa2Cu3O7-x single crystal twin boundaries in low magnetic fields
V.P. Timofeev, A.V. Bondarenko
TL;DR
This paper investigates the magnetic response of YBa2Cu3O7-x single crystals with twin boundaries in low magnetic fields, proposing a Josephson weak link model to explain observed magnetization behavior.
Contribution
It introduces a model of twin boundary planes acting as Josephson weak links to interpret magnetic responses in YBCO crystals.
Findings
Non-monotone temperature dependence of magnetization observed.
Magnetic behavior explained by Josephson weak link system.
Order parameter anisotropy plays a role in the response.
Abstract
The experimental results on the magnetic response of YBCO single crystals with unidirectional twin boundary planes in low magnetic fields (0.01 - 1 Oe) are discussed. The observed non-monotone temperature dependence of magnetization is interpreted within a plausible model of a system of the Josephson weak links in the twin boundary planes and on the basis of the order parameter anisotropy.
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Taxonomy
TopicsPhysics of Superconductivity and Magnetism · Magnetic properties of thin films · Advanced Condensed Matter Physics