• 文献标题:   First-principles study of spin-dependent transport through graphene/BNC/graphene structure
  • 文献类型:   Article
  • 作  者:   OTA T, ONO T
  • 作者关键词:   firstprinciples calculation, graphene, hexagonal boron nitride, spindependent transport property
  • 出版物名称:   NANOSCALE RESEARCH LETTERS
  • ISSN:   1931-7573
  • 通讯作者地址:   Osaka Univ
  • 被引频次:   1
  • DOI:   10.1186/1556-276X-8-199
  • 出版年:   2013

▎ 摘  要

First-principles study on the electronic structure and transport property of the boron nitride sheet (BNC) structure, in which a triangular graphene flake surrounded by a hexagonal boron nitride sheet, is implemented. As the graphene flake becomes small and is more isolated by the boron nitride region, the magnetic ordering of the flake increases. When the BNC structure is connected to the graphene electrodes, the spin-polarized charge-density distribution appears only at the triangular graphene flake region, and the electronic structure of the graphene electrode is not spin polarized. First-principles transport calculation reveals that the transport property of the BNC structure is spin dependent.