期刊
PHYSICAL REVIEW B
卷 81, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.81.094512
关键词
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资金
- U. S.-Spain NSF Materials World Network [709584]
- U. S. Department of Energy, Basic Energy Science [DE-AC02-06CH11357, DE-AC02NA25396]
- Spanish MICINN [MAT2008-06517]
- Consolider Ingenio 2010 Grant [CSD2009-00013]
- CAM [S2009/Mat-1756]
- OTKA [F61733, K68807, PF63954]
- Hungarian Academy of Sciences
We report on the magnetic anisotropy controlled modulation of the superconductivity in La0.7Ca0.3MnO3/YBa2Cu3O7-delta/La0.7Ca0.3MnO3 ferromagnet/superconductor/ferromagnet hybrids with biaxial easy axes. The magnetoresistance (MR) is determined by the local misalignment of the magnetizations in the two layers and exhibits a positive MR plateau for antiparallel alignment along the easy axes and negative MR peaks at the coercive field near the hard axes. This evidences the importance of spin-dependent interfacial scattering effects (as opposed to stray fields) in the MR behavior of superconducting oxide inverse spin switches.
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