Injection of spin-polarized carriers in ferromagnet/superconductor tunnel junctions
Injection of spin-polarized carriers in ferromagnet/superconductor tunnel junctions
复制标题
在铁磁体/超导体隧道结中注入自旋极化载流子
DOI:
10.1088/0953-8984/13/4/309
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发表时间:
2001
期刊:
影响因子:
--
通讯作者:
Zhenghan Wang
中科院分区:
文献类型:
--
作者:
Guoya Sun;Z. Zheng;D. Xing;J. Dong;Zhenghan Wang
We apply a quantum-mechanical approach to study critical current suppression in a superconductor (SC) due to injection of spin-polarized carriers from a ferromagnet (FM) through a FM/SC tunnel junction. It is found that for a given bias voltage, the superconductivity suppression depends strongly on the polarization of the injection current, on the spin-diffusion length in the SC, and on the insulating barrier strength at the FM/SC interface.