The screw dislocation in the film strongly influences the properties of the YBCO.

在薄膜中的螺旋位错强烈地影响YBCO的性质。

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The present invention relates to process of preparing large quasi-single domain Y-Ba-Cu-O (YBCO) superconductor lump.

本发明涉及一种大直径准单畴钇钡铜氧（YBCO）块材制备方法。

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The microstructure and critical current properties of the YBCO prepared by the melt and slowly cooling process are reported.

报道了用熔融慢冷工艺制备的YBCO的微观结构与临界电流特性。

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Finally, the whole sandwich is heated in the presence of oxygen, which combines with the precursor metals into fully fledged YBCO.

ECONOMIST: Inside story

Then a coat is applied of yttrium, barium and copper, the metallic elements of YBCO, today's HTS recipe of choice, along with impurities just nanometres (billionths of a metre) across.

ECONOMIST: Inside story