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arXiv 1407.4304cond-mat.supr-con
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YBCO单晶中接近Tc的平均有效钉扎势

Averaged effective pinning potential in YBCO single crystals close to Tc

V. Yu. Monarkha, A. G. Sivakov, V. P. Timofeev

摘要:

本文介绍了我们通过测量高温超导样品在相变温度(0,8 < T/Tc > 0,99)附近的磁化弛豫M(t)所获得的低密度磁通量钉扎特性的结果。我们注意到在单向平面缺陷系统中存在强钉扎,并且低密度俘获磁通量的Up(T)依赖行为具有显著的非单调性。

英文摘要:

In this paper we present our results on the low density magnetic flux pinning characteristics, obtained though HTSC samples magnetization relaxation measurements M(t) near the phase transition temperatures (0,8 < T/Tc > 0,99).As the main object of investigation we have chosen pure YBa2Cu3O7-x (YBCO) single crystal samples with optimal oxygen saturation. We note the presence of strong pinning in the system of unidirectional planar defects and a significant nonmonotonicity of the Up(T) dependence behavior for low density trapped magnetic flux.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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