Significantly Enhanced Flux-Pinning in Y-Ba-Cu-O by Simple Processing

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SIGNIFICANTLY ENHANCED FLUX-PINNING IN Y-Ba-Cu-O BY SIMPLE PROCESSING S. Jin.T. H. Tiefel, S. Nakahara, J. E. Graebner 7 H. M. O'Bryan,,R. A. FastnachtG. W. Kammlott AT&T Bell Laboratories Murray Hill, NJ 07974

ABSTRACT Significantly improved flux-pinning has been achieved in bulk YBa 2Cu 3074 superconductor ('123' compound) containing fine-scale defects (