National Changhua University of Education Institutional Repository : Item 987654321/14146
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题名: Thermopower of Magnetically Aligned YBa2Cu3O7-δ Ceramics: An Approach for Measuring Anisotropic Transport Properties of Ceramics
作者: Liu, Chia-Jyi;Trodahl, H. J.;Downes, J.;Staines, M. P.
贡献者: 物理學系
日期: 1997-08
上传时间: 2012-09-10T06:13:15Z
出版者: Elsevier
摘要: We present the thermopower (TEP) within the ab plane and c axis of magnetically aligned YBa2Cu3O7−δ ceramics with different oxygen contents. For the sample with almost fully loaded oxygen content (δ = 0.05), TEP exhibits strong anisotropy, namely, the ab-plane TEP behaves distinctly from that along the c axis. The ab-plane TEP bears remarkable similarities to that of the b-axis in an untwinned YBa2Cu3O7−δ (δ = 0.08) single crystal. The c-axis TEP is nearly identical to that of a twinned YBa2Cu3O7−δ single crystal. These measurements make available the anisotropic property measurements of ceramic samples by aligning polycrystallites using magnetic forces.
關聯: Physica C: Superconductivity, 282-287: 1237-1238
显示于类别:[物理學系] 期刊論文

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