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首页> 外文期刊>Physica, C. Superconductivity and its applications >A model to describe the angular dependence of the critical current in a Bi-2223/Ag superconducting tape
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A model to describe the angular dependence of the critical current in a Bi-2223/Ag superconducting tape

机译:描述Bi-2223 / Ag超导带中临界电流的角度依赖性的模型

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A model to describe the angular dependence of the critical current of a superconducting Bi-2223/Ag tape is developed. The model is based on a Gaussian distribution of the misalignment angles of the grains, With this model it is possible to calculate the standard deviation of the misalignment angle of the grains from critical current measurements in a magnetic field oriented perpendicular and parallel to the tape plane. This enables us to determine the critical current behaviour for all orientations of the magnetic field. The theory is confirmed in an experimental way. The angular dependence of the critical current of the measured tape can be described at 77 K in the region between 0 and 200 mT within 3% by using a standard deviation of 7.8 degrees in the misalignment angle. (C) 2001 Elsevier Science B.V. All rights reserved. [References: 6]
机译:建立了描述超导Bi-2223 / Ag胶带临界电流的角度依赖性的模型。该模型基于晶粒错位角的高斯分布,利用该模型,可以根据垂直于磁带平面并平行于带状平面的磁场中的临界电流测量值来计算晶粒错位角的标准偏差。 。这使我们能够确定磁场所有方向的临界电流行为。该理论已通过实验证实。通过使用未对准角的7.8度标准偏差,可以在0 K和200 mT之间的区域中,在77 K的3%以内描述被测磁带的临界电流的角度依赖性。 (C)2001 Elsevier Science B.V.保留所有权利。 [参考:6]

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