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5 p, 1.1 MB Tunneling magnetoresistance phenomenon utilizing graphene magnet electrode / Hashimoto, T. (Aoyama Gakuin University. Faculty of Science and Engineering) ; Kamikawa, S. (Aoyama Gakuin University. Faculty of Science and Engineering) ; Soriano, David (Institut Català de Nanociència i Nanotecnologia) ; Pedersen, Jesper Goor (Institut Català de Nanociència i Nanotecnologia) ; Roche, Stephan (Institut Català de Nanociència i Nanotecnologia) ; Haruyama, Junji (Aoyama Gakuin University. Faculty of Science and Engineering)
Using magnetic rare-metals for spintronic devices is facing serious problems for the environmental contamination and the limited material-resource. In contrast, by fabricating ferromagnetic graphene nanopore arrays (FGNPAs) consisting of honeycomb-like array of hexagonal nanopores with hydrogen-terminated zigzag-type atomic structure edges, we reported observation of polarized electron spins spontaneously driven from the pore edge states, resulting in rare-metal-free flat-energy-band ferromagnetism. [...]
2014 - 10.1063/1.4901279
Applied physics letters, Vol. 105, issue 18 (Nov. 2014) , art. 183111
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