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Effect of Crossed Flux on Flux Pinning in YBCO Superconductor

Amirabadizadeh A.

Materials Science Poland

2006

Vol. 24, No. 4

913--919

We have conducted magnetization experiments on melt texture grown YBCO superconductor at 77 K. The magnetic anisotropy and its effects on flux pinning and remanence have been investigated using two pickup coil measuring system. The remanence along the c-axis decreases as the field in the ab plane increased, and with decreasing remanence the crossed flux magnetization curves merge with the uncrossed one. The decrease of the remanence and flux pinning along the ab-plane are discussed in terms of rotation and expulsion of flux, and the possibility of flux cutting.