Abstract
Abstract Fibers of YBa 2 Cu 3 O 7 have been produced by pendant drop melt extraction, a technique in which the end of a rod of YBa 2 Cu 3 O 7 is melted with a hydrogen-oxygen torch and lowered onto the edge of a spinning wheel. Fibers up to 10 cm in length have been produced; usually the lateral dimensions were in the range from 20 to 125 μm. The fibers required a heat treatment to make them superconducting; the T c of heat treated fibers ranged from 88 to 90 K.
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