%A Shi Hao-Sheng (史豪晟), Vahram L. Grigoryan %T Spin transport in Zigzag normal/ferromagnetic graphene junction %0 Journal Article %D 0 %J Chin. Phys. B %R 10.1088/1674-1056/24/3/038504 %P 38504-038504 %V %N %U {https://cpb.iphy.ac.cn/CN/abstract/article_117284.shtml} %8 2015-03-05 %X 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.