Contact-induced spin polarization in graphene/h-BN/Ni nanocomposites

被引：18

作者：

Avramov, Pavel V. ^{[1
,2
]}

Kuzubov, Alex A. ^{[2
]}

Sakai, Seiji ^{[1
]}

Ohtomo, Manabu ^{[1
]}

Entani, Shiro ^{[1
]}

Matsumoto, Yoshihiro ^{[1
]}

Naramoto, Hiroshi ^{[1
]}

Eleseeva, Natalia S. ^{[2
]}

机构：

[1] Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan

[2] LV Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia

来源：

JOURNAL OF APPLIED PHYSICS | 2012年 / 112卷 / 11期

关键词：

HEXAGONAL BORON-NITRIDE; TRILAYER GRAPHENE; NI(111) SURFACE; GRAPHITE; APPROXIMATION; SPINTRONICS; DIFFRACTION; SIMULATION; SUBSTRATE; CARBON;

D O I：

10.1063/1.4767134

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Atomic and electronic structure of graphene/Ni(111), h-BN/Ni(111) and graphene/h-BN/Ni(111) nanocomposites with different numbers of graphene and h-BN layers and in different mutual arrangements of graphene/Ni and h-BN/Ni at the interfaces was studied using LDA/PBC/PW technique. Using the same technique corresponding graphene, h-BN and graphene/h-BN structures without the Ni plate were calculated for the sake of comparison. It was suggested that C-top:C-fcc and N-top:B-fcc configurations are energetically favorable for the graphene/Ni and h-BN/Ni interfaces, respectively. The Ni plate was found to induce a significant degree of spin polarization in graphene and h-BN through exchange interactions of the electronic states located on different fragments. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4767134]

引用

页数：10

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