Magnetoresistance, spin filtering and negative differential resistance effects in an endohedral Fe@C60 dimer

被引：13
|
作者：
Wu, Q. H. [1 ]
Zhao, P. [1 ]
Liu, D. S. [2 ,3 ]
Chen, G. [1 ]
机构：
[1] Univ Jinan, Sch Phys & Technol, Jinan 250022, Peoples R China
[2] Shandong Univ, Sch Phys, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
[3] Jining Univ, Dept Phys, Qufu 273155, Peoples R China
来源：
SOLID STATE COMMUNICATIONS | 2013年 / 174卷
基金：
中国国家自然科学基金;
关键词：
Fullerene dimer; Magnetoresistance effect; Spin filtering effect; Negative differential resistance; GIANT MAGNETORESISTANCE; TRANSPORT-PROPERTIES; 1ST-PRINCIPLES; SPINTRONICS; ELECTRONICS;
D O I：
10.1016/j.ssc.2013.09.020
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Based on non-equilibrium Green's method and density functional theory, the spin-polarized transport properties of an endohedral Fe@C-60 dimer-based spintronic device are investigated. The direction of the magnetic moments of the two Fe atoms can be controlled by applying a magnetic field. The interesting magnetoresistance, spin filtering and negative differential resistance effects can be observed in this device. These phenomena are explained by the evolution of spin-dependent transmission spectra and projected density of states with the increase in bias, as well as the voltage drop distributions. (C) 2013 Elsevier Ltd. All rights reserved.
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页码：5 / 9
页数：5
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