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Anomalous magneto-thermoelectric transport in biased bilayer phosphorene

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  • R. Ma

    (Nanjing University of Information Science and Technology)

  • H. T. Cao

    (Nanjing University of Information Science and Technology)

  • L. Wang

    (Nanjing University of Information Science and Technology)

Abstract

We numerically study the thermoelectric transport properties in bilayer phosphorene in the presence of bias voltage under a strong magnetic field. When a bias voltage is applied and the bulk energy gap is closed, it is found that thermoelectric coefficients has similar properties to those of a semimetal. Around the central Landau Level (LL), the transverse thermoelectric conductivity displays a series of peaks, but the longitudinal thermoelectric conductivity oscillates and changes sign. The Nernst signal has a peak at central LL and changes sign near other LLs, while the thermopower has an opposite behavior. Both the thermoelectric conductivities and Nernst signal exhibit remarkable anisotropy, but thermopower exhibits isotropy.

Suggested Citation

  • R. Ma & H. T. Cao & L. Wang, 2021. "Anomalous magneto-thermoelectric transport in biased bilayer phosphorene," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 94(4), pages 1-8, April.
    • Handle: RePEc:spr:eurphb:v:94:y:2021:i:4:d:10.1140_epjb_s10051-021-00105-y
    DOI: 10.1140/epjb/s10051-021-00105-y
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