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Chin. Phys. B, 0, Vol. (): 38504-038504    DOI: 10.1088/1674-1056/24/3/038504

Spin transport in Zigzag normal/ferromagnetic graphene junction

Shi Hao-Sheng, Vahram L. Grigoryan
Department of Physics and State Key Laboratory of Surface Physics, Fudan University, Shanghai 200433, China
Abstract  We study magnetic proximity effect induced low-energy spin transport in normal/ferromagnetic junction of semi-infinite zigzag graphene nanoribbon. Due to the absence of spin flip in single interface, the spin transfer in this model can be described by the “two-spin channel” model. We identify each spin channel as either perfect conducting or non-conducting channel. This feature leads to spin filter in symmetric zigzag graphene nanoribbon and spin precession in antisymmetric zigzag graphene nanoribbon, and helps to determine exchange-splitting intensity directly, even without an external auxiliary bias.
Keywords:  graphene junction      spin filter      spin transfer torque      magnetic proximity effect     
Received:  16 July 2014      Published:  05 March 2015
PACS:  72.25.Mk (Spin transport through interfaces)  
Corresponding Authors:  Shi Hao-Sheng     E-mail:

Cite this article: 

Shi Hao-Sheng, Vahram L. Grigoryan Spin transport in Zigzag normal/ferromagnetic graphene junction 0 Chin. Phys. B 38504

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