Kinetics of flux motion in magnetized and demagnetized YBaCuO



: Laiho R, Lahderanta E, Paturi P, Vlasenko LS

Publisher: ELSEVIER SCIENCE BV

: 1994

: Physica C: Superconductivity and its Applications

: PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS

: PHYSICA C

: 235-40

: 2881

: 2882

: 2

: 0921-4534

DOI: https://doi.org/10.1016/0921-4534(94)90967-9


Time and temperature dependences of the remanent magnetic moment, M-R, in YBaCuO powder and ceramic samples are studied after a magnetization and demagnetization cycle to produce vortices of opposite sign. A fast decrease of M-R with time followed by a long logarithmic relaxation is observed under heating of the samples. The effect is explained by the flux flow process.



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