Proximity effect of superconductivity and magnetism in the Nd0.7Ca0.3MnO3/YBa2Cu3O7 bilayer

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Title:	Proximity effect of superconductivity and magnetism in the Nd0.7Ca0.3MnO3/YBa2Cu3O7 bilayer
Authors:	Lin, J. G.;Hsu, Daniel;Wu, W. F.;Chiang, C. H.;陳偉正;Chan, W. C.
Contributors:	淡江大學物理學系
Date:	2007-05-01
Issue Date:	2009-12-31 10:14:35 (UTC+8)
Publisher:	American Institute of Physics (AIP)
Abstract:	Temperature and current dependent resistivity are investigated in the single Y Ba 2 Cu 3 O 7 layer and the Y Ba 2 Cu 3 O 7/ Nd 0.7 Ca 0.3 Mn O 3 (YBCO/NCMO) bilayer with the thickness of each layer being 200 nm . Our results show that the onset temperature (T con ) of the superconducting transition in YBCO layer is linearly suppressed by current with a rate of 0.1 K / mA . However, T con of the NCMO/YBCO bilayer is reduced effectively from 54 to 30 K with increasing the applied current from 1 to 40 mA , which indicates an enhanced effect of pair breaking by the polarized quasiparticles.
Relation:	Journal of Applied Physics 101(9), pp.09G106
DOI:	10.1063/1.2710325
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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