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DOUBLE ATOMIC LAYERS OF GRAPHENE/MONOLAYERh-BN ON Ni(111) STUDIED BY SCANNING TUNNELING MICROSCOPY AND SCANNING TUNNELING SPECTROSCOPY

Author

Listed:
  • TOYOSEI KAWASAKI

    (Kagami Memorial Laboratory for Materials Science and Technology, Waseda University, 2-8-26, Nishi-waseda, Shinjuku, Tokyo 169-0051, Japan;
    Department of Applied Physics, Waseda University, 3-4-1, Ohkubo, Shinjnku-ku, Tokyo 169-8555, Japan)

  • TAKASHI ICHIMURA

    (Department of Applied Physics, Waseda University, 3-4-1, Ohkubo, Shinjnku-ku, Tokyo 169-8555, Japan)

  • HIROSHI KISHIMOTO

    (Department of Applied Physics, Waseda University, 3-4-1, Ohkubo, Shinjnku-ku, Tokyo 169-8555, Japan)

  • ADE ASNEIL AKBAR

    (Department of Applied Physics, Waseda University, 3-4-1, Ohkubo, Shinjnku-ku, Tokyo 169-8555, Japan)

  • TAKASHI OGAWA

    (Department of Applied Physics, Waseda University, 3-4-1, Ohkubo, Shinjnku-ku, Tokyo 169-8555, Japan)

  • CHUHEI OSHIMA

    (Kagami Memorial Laboratory for Materials Science and Technology, Waseda University, 2-8-26, Nishi-waseda, Shinjuku, Tokyo 169-0051, Japan;
    Department of Applied Physics, Waseda University, 3-4-1, Ohkubo, Shinjnku-ku, Tokyo 169-8555, Japan)

Abstract

Using STM, we have directly confirmed the incommensurate stacking of double atomic layers of graphene and monolayerh-BN on Ni(111). The formation of a graphene layer weakens the interfacial interaction between monolayerh-BN and Ni(111), resulting in insulatingh-BN layers, while a pristine monolayerh-BN on Ni(111) is metallic. The STS spectra of the double atomic layers showed a tunneling character with a band gap of 0.5 eV.

Suggested Citation

  • Toyosei Kawasaki & Takashi Ichimura & Hiroshi Kishimoto & Ade Asneil Akbar & Takashi Ogawa & Chuhei Oshima, 2002. "DOUBLE ATOMIC LAYERS OF GRAPHENE/MONOLAYERh-BN ON Ni(111) STUDIED BY SCANNING TUNNELING MICROSCOPY AND SCANNING TUNNELING SPECTROSCOPY," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 9(03n04), pages 1459-1464.
    • Handle: RePEc:wsi:srlxxx:v:09:y:2002:i:03n04:n:s0218625x02003883
    DOI: 10.1142/S0218625X02003883
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    Keywords

    Graphene; h-BN; STM; STS; Ni(111);
    All these keywords.

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