Spin-dependent Fano resonance in an impurity-doped graphene coupled to ferromagnetic leads

被引：9
|
作者：
Yang, Fubin [1 ,2 ]
Cheng, Yan [1 ]
Liu, Futi [1 ]
Chen, Xiangrong [1 ,3 ]
机构：
[1] Sichuan Univ, Inst Atom & Mol Sci, Coll Phys Sci & Technol, Chengdu 610065, Peoples R China
[2] Sichuan Normal Univ, Dept Math, Chengdu Coll, Chengdu 611745, Peoples R China
[3] Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 03期
基金：
中国国家自然科学基金;
关键词：
COLLOQUIUM; TRANSPORT; STATES;
D O I：
10.1063/1.4815885
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We investigate the spin-dependent Fano resonance in an impurity-doped graphene sheet coupled to ferromagnetic (FM) leads at low temperatures. By the nonequilibrium Green's function theory, we calculate the linear conductance of the system, which possesses a different Fano structure both in the parallel and anti-parallel configuration of the FM leads. The results come from the quantum interference between resonant and nonresonant processes in the system. Our studies indicate that the system is an ideal platform to investigate the Fano physics, even in some relevant experiments. (C) 2013 AIP Publishing LLC.
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页数：4
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