Charge transport in the normal metal/diffusive ferromagnet/s-wave superconductor junctions |
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| Authors: | Takehito Yokoyama Yukio Tanaka Alexander Golubov Jun-ichiro Inoue Yasuhiro Asano |
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| Affiliation: | aDepartment of Applied Physics, Nagoya University, Nagoya 464-8603, Japan;bCREST Japan Science and Technology Corporation (JST), Nagoya 464-8603, Japan;cFaculty of Science and Technology, University of Twente, 7500 AE, Enschede, The Netherlands;dDepartment of Applied Physics, Hokkaido University, Sapporo 060-8628, Japan |
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| Abstract: | ![]()
Charge transport in the normal metal/insulator/diffusive ferromagnet/insulator/s-wave superconductor (N/I/DF/I/S) junctions is studied for various situations solving the Usadel equation under the Nazarov's generalized boundary condition. Conductance of the junction is calculated by changing the magnitude of the resistance in DF, Thouless energy in DF, the exchange field in DF, the transparencies of the insulating barriers. We have found a new broad peak around zero voltage as well as zero bias conductance peak splitting and dip splitting. |
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| Keywords: | Proximity effect Zero bias conductance peak |
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