Spin injection induced phase transition in YBa{sub 2}Cu{sub 3}O{sub 7−δ}/Nd{sub 0.35}Sr{sub 0.65}MnO{sub 3} bilayer
Journal Article
·
· Journal of Applied Physics
- Center for Condensed Matter Sciences, National Taiwan University, Taipei, 10617 Taiwan (China)
- Department of Materials Science and Engineering, National Taiwan University, Taipei, 10617 Taiwan (China)
The spin injection effects from C-type antiferromagnetic Nd{sub 0.35}Sr{sub 0.65}MnO{sub 3} (NSMO) to superconductor YBa{sub 2}Cu{sub 3}O{sub 7−δ} (YBCO) are investigated via the measurement of temperature dependent resistivity with input current from 10{sup −2 }mA to 90 mA. The superconducting transition temperature (T{sub co}) of YBCO decreases with increasing current but at a higher rate with larger thickness of NSMO. Two spin states below T{sub 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.
- OSTI ID:
- 22410148
- Journal Information:
- Journal of Applied Physics, Vol. 117, Issue 17; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANTIFERROELECTRIC MATERIALS
ANTIFERROMAGNETISM
BARIUM OXIDES
COPPER OXIDES
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
HIGH-TC SUPERCONDUCTORS
LAYERS
MANGANATES
NEODYMIUM COMPOUNDS
SPIN
STRONTIUM COMPOUNDS
TEMPERATURE DEPENDENCE
TRANSITION TEMPERATURE
YTTRIUM OXIDES
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANTIFERROELECTRIC MATERIALS
ANTIFERROMAGNETISM
BARIUM OXIDES
COPPER OXIDES
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
HIGH-TC SUPERCONDUCTORS
LAYERS
MANGANATES
NEODYMIUM COMPOUNDS
SPIN
STRONTIUM COMPOUNDS
TEMPERATURE DEPENDENCE
TRANSITION TEMPERATURE
YTTRIUM OXIDES