Metal intercalation-induced selective adatom mass transport on graphene

ORAL

Abstract

Using first-principles calculaitons, we show that partially intercalated graphene, with a mixture of intercalated and pristine areas, can induce an alternating electric field because of the spatial variations in electron doping, and thus, an oscillatory electrostatic potential. This alternating field can change normal stochastic adatom diffusion to biased diffusion, leading to selective mass transport and consequent nucleation, on either the intercalated or pristine areas, depending on the charge state of the adatoms.

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Authors

  • Xiaojie Liu

    Center for Quantum Sciences and School of Physics, Northeast Normal University, Changchun 130117, China

  • Cai-Zhuang Wang

    Ames Lab and Iowa State University, Ames Laboratory, US DOE, Ames, IA, USA, Ames Lab, Iowa State University, Ames Laboratory–U.S. Department of Energy, and Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA, Ames Laboratory and Iowa State University, Ames, IA 50011, Ames Laboratory, US DOE, Ames Laboratory of US Department of Energy

  • Myron Hupalo

    Ames Laboratory–U.S. Department of Energy, and Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA

  • Hai-Qing Lin

    Beijing Computational Science Research Center, CSRC, Beijing Computational Science Research Center, Beijing 100084, China

  • Kai-Ming Ho

    Ames Laboratory–U.S. Department of Energy, and Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA, Ames Laboratory, US DOE

  • Patricia A. Thiel

    Ames Laboratory–U.S. Department of Energy, Department of Chemistry and Department of Materials Science and Engineering, Iowa State University, Ames,

  • Michael C. Tringides

    Ames Laboratory–U.S. Department of Energy, and Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA