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Method of producing superconducting fibers of bismuth strontium calcium copper oxide (Bi(2212) and Bi(2223))
Method of producing superconducting fibers of bismuth strontium calcium copper oxide (Bi(2212) and Bi(2223))
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机译:铋锶钙铜氧化物(Bi(2212)和Bi(2223))超导纤维的生产方法
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摘要
Fibers of Bi(2212) have been produce by pendant drop melt extraction. This technique involves the end of a rod of Bi(2212) melted with a hydrogen-oxygen torch, followed by lowering onto the edge of a spinning wheel. The fibers are up to 15 cm in length with the usual lateral dimensions, ranging from 20 um to 30 um. The fibers require a heat treatment to make them superconducting.
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