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首页> 外文期刊>Modern Physics Letters, B. Condensed Matter Physics, Statistical Physics, Applied Physics >Application of ESR to high-T_c superconductors and related materials V. a new method of making YBa_2Cu_3O_(#zeta#) and its superconductive characteristics
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Application of ESR to high-T_c superconductors and related materials V. a new method of making YBa_2Cu_3O_(#zeta#) and its superconductive characteristics

机译：ESR在高T_c超导体及相关材料中的应用V.一种制备YBa_2Cu_3O _（＃zeta＃）的新方法及其超导特性

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摘要

A new method of making superconductor of YBa_2Cu_3O_(#zeta#) was developed. The fundamental technology of the method is to take advantage of Ba-diffusion into YCu_3 alloy. Two kinds of samples of the YBa_2Cu_3O_(#zeta#) system were prepared, and their superconductivity was confirmed by non-resonant microwave absorption and the Meissner effect. In the first kind, the thin alloy of YCu_3 and BaCO_3 (powder) were pressed into pellet, and sintered in air at 900 deg C for 24 hours. In the second kind, a rod of YCu_3 alloy was imbedded in a matrix of BaCO_3 powder, and they were calcined at 900 deg C for 24 hours in air. Both samples were confirmed to be superconductors of about T_c approx= 90 K.
机译：提出了一种制备YBa_2Cu_3O _（＃zeta＃）超导体的新方法。该方法的基本技术是利用Ba扩散到YCu_3合金中。制备了两种YBa_2Cu_3O _（＃zeta＃）体系样品，并通过非共振微波吸收和Meissner效应证实了它们的超导性。在第一类中，将YCu_3和BaCO_3的薄合金（粉末）压制成丸，然后在900℃的空气中烧结24小时。在第二种中，将YCu_3合金棒嵌入BaCO_3粉末基质中，并在900摄氏度的空气中煅烧24小时。两种样品均被证实是约T_c约= 90 K的超导体。

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