MAGNETIC PROPERTIES OF A YBCO CRYSTAL PREPARED BY MELT-TEXTURED GROWTH METHOD
2005
The magnetization curves of YBCO crystal prepared by melt-textured growth method were measured from 1.5K to 89K. Flux jumps were observed for H ‖ c at 1.5K, 7K and 10K. Peak effects were observed for H ‖ c in the temperature range of 15-83K. The anisotropies of magnetization curves and magnetic critical current are analysed in detail. The properties of connection between grains and the pinning mechanism are discussed.
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