Magnetoelectric coupling in zigzag graphene nanoribbons

被引：51
|
作者：
Jung, J. [1 ]
MacDonald, A. H. [1 ]
机构：
[1] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA
来源：
PHYSICAL REVIEW B | 2010年 / 81卷 / 19期
关键词：
ROOM-TEMPERATURE; LAYER GRAPHENE; SEMICONDUCTORS; EDGE; MAGNETORESISTANCE; FERROMAGNETISM; SPINTRONICS; RIBBONS; DEVICE; MEMORY;
D O I：
10.1103/PhysRevB.81.195408
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Zigzag graphene nanoribbons can have magnetic ground states with ferromagnetic, antiferromagnetic, or canted configurations, depending on carrier density. We show that an electric field directed across the ribbon alters the magnetic state, favoring antiferromagnetic configurations. This property can be used to prepare ribbons with a prescribed spin-orientation on a given edge.
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页数：5
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