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Phase transition for edge band emergence induced by the edge relaxation of phosphorene ribbons

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Abstract

We investigate the edge bands of the relaxed phosphorene edges. The edge relaxation is modeled by letting the outmost bonds be different. By treating the relaxed hopping energy as a parameter, we observe the phase transition for the edge band appearance in the bulk gap. The analytical expression of the relaxed hopping for the phase transition is obtained by means of tight-binding parameters.

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Authors and Affiliations

  1. Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, School of Physics and Telecommunication Engineering, South China Normal University, 510006, Guangzhou, People’s Republic of China

    M. Yang, H.-J. Duan & R.-Q. Wang

Authors
  1. M. Yang
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  2. H.-J. Duan
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  3. R.-Q. Wang
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Correspondence to M. Yang.

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Yang, M., Duan, HJ. & Wang, RQ. Phase transition for edge band emergence induced by the edge relaxation of phosphorene ribbons. Jetp Lett. 102, 290–294 (2015). https://doi.org/10.1134/S0021364015170130

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  • DOI: https://doi.org/10.1134/S0021364015170130

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