Author:
Egilmez Mehmet,Isaac Isaac,Alnaser Ali S.,Bukowski Zbigniew,Karpinski Janusz,Chow Kim H.,Jung Jan
Abstract
We report on the measurements of the remnant magnetization, and hence critical current, in a single crystal of YBa2Cu4O8. A peak in the temperature dependence of the critical current is observed when the external magnetic field is tilted away from the a–b planes. The observed behavior is attributed to a thermally activated instability-driven vortex-lattice splitting or vortex chain formation. The nature of the peak and the possibility of a thermally-activated dimensional crossover have been discussed.
Funder
American University of Sharjah
Subject
Condensed Matter Physics,Electronic, Optical and Magnetic Materials
Cited by
1 articles.
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