Journal
JOURNAL OF APPLIED PHYSICS
Volume 117, Issue 17, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4914534
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- Minister of Science and technology of R. O. C. [103-2112-M-002-022-MY3]
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The spin injection effects from C-type antiferromagnetic Nd0.35Sr0.65MnO3 (NSMO) to superconductor YBa2Cu3O7-delta (YBCO) are investigated via the measurement of temperature dependent resistivity with input current from 10(-2) mA to 90 mA. The superconducting transition temperature (T-co) of YBCO decreases with increasing current but at a higher rate with larger thickness of NSMO. Two spin states below T-co are identified as non-equilibrium spin-state and pair-breaking state judging from the width of transition. In particular, the transition from former to later one is observed with NSMO = 30 nm at the current of 30 mA. (C) 2015 AIP Publishing LLC.
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