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首页> 外文期刊>Physica, C. Superconductivity and its applications >Microwave response of a cylindrical cavity made of bulk MgB2 superconductor
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Microwave response of a cylindrical cavity made of bulk MgB2 superconductor

机译：块状MgB2超导体制成的圆柱腔的微波响应。

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摘要

We report on the microwave properties of a resonant cylindrical cavity made of bulk MgB2 superconductor, produced by the reactive liquid Mg infiltration process. The frequency response of the cavity has been measured in the range 5-13 GHz. Among the various modes, the TE011, resonating at 9.79 GHz, exhibits the highest quality factor. For this mode, we have determined the temperature dependence of the quality factor, obtaining values of the order of 105 in the temperature range 4.2-30 K. The values of the surface resistance deduced from the measurements of the quality factor agree quite well with those independently measured in a small sample of MgB2 extracted from the same specimen from which the cavity has been obtained. (c) 2007 Elsevier B.V. All rights reserved.
机译：我们报告了由反应性液态Mg渗透过程产生的由大块MgB2超导体制成的谐振圆柱腔的微波特性。腔的频率响应已在5-13 GHz范围内测量。在各种模式中，TE011以9.79 GHz的频率谐振，表现出最高的品质因数。对于此模式，我们确定了品质因数的温度依赖性，在4.2-30 K的温度范围内获得了105的值。从品质因数的测量结果推导出的表面电阻值与在从已获得模腔的同一样本中提取的一小块MgB2样本中，进行独立测量。 （c）2007 Elsevier B.V.保留所有权利。

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