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.

引用

页码：5 / 9

页数：5

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