National Changhua University of Education Institutional Repository : Item 987654321/14143

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NCUEIR > College of Science > Department of Physics > Periodical Articles > Item 987654321/14143

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/14143

Title:	YBa2Cu3O7− δ Ordered Thin Films and Magnetically Aligned Ceramic: Measurement of Anisotropic Thermopower
Authors:	Liu, Chia-Jyi;Gao, J.;Kaiser, A. B.;Kemp, N. T.;Downes, J. E.;Staines, M. P.
Contributors:	物理學系
Keywords:	Thermoelectric power;Anisotropic superconductor;Cuprates;Thin films
Date:	1997-05
Issue Date:	2012-09-10T06:13:11Z
Publisher:	Elsevier
Abstract:	We report measurements of the anisotropic thermopower in the normal state of YBa2Cu3O7 − δ thin films with three different orientations: a-axis perpendicular to the plane of the substrate; c-axis perpendicular; and coherently tilted on a (305) SrTiO3 substrate respectively. We have also measured the thermopower of magnetically aligned YBa2Cu3O7 − δ ceramic samples. The thermopower in the direction of the c-axis is found to be positive and increases as the temperature increases. The thermopower along the b-axis direction has only a small temperature dependence, while the averaged thermopower in the ab-plane in c-axis films decreases as temperature increases. These results are consistent with those made on single crystals.
Relation:	Physica C: Superconductivity, 278(3-4): 143-148
Appears in Collections:	[Department of Physics] Periodical Articles

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