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Title: Generation of full polarization in ferromagnetic graphene with spin energy gap

We propose a workable scheme for the generation of full spin polarization in ferromagnetic graphene system with strain or Rashba spin-orbit interaction. A spin energy gap can be opened in ferromagnetic graphene system in the presence of strain or Rashba spin-orbit interaction, leading to the full polarization in the spin energy gap. In addition, under the combined modulation of strain and Rashba spin-orbit interaction, the ferromagnetic graphene system can generate significantly large spin-polarized current with a full polarization in the spin energy gap. It is anticipated to apply such a phenomenon to design the electron spin devices based on the graphene.
Authors:
; ;  [1] ;  [1] ;  [2] ;  [3]
  1. Department of Applied Physics, East China Jiaotong University, Nanchang 330013 (China)
  2. (Canada)
  3. School of Computer, Jiangxi University of Traditional Chinese Medicine, Nanchang 330004 (China)
Publication Date:
OSTI Identifier:
22395582
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 105; Journal Issue: 25; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ELECTRONS; ENERGY GAP; FERROMAGNETIC MATERIALS; FERROMAGNETISM; GRAPHENE; L-S COUPLING; MODULATION; POLARIZATION; SPIN; SPIN ORIENTATION; STRAINS