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Electronic thermal Hall effect in silicene

Author

Listed:
  • Yonghong Yan

    (Shaoxing University)

  • Weiguo Ye

    (Shaoxing University)

  • Haifei Wu

    (Shaoxing University)

  • Hui Zhao

    (Key Laboratory for Advanced Microstructure Materials of the Ministry of Education and Department of Physics, Tongji University)

Abstract

We theoretically investigate the electronic thermal Hall effect in silicene via a discrete four-band model. Based on the linear response theory, a formalism to address the transverse thermal conductivity is developed. In the absence of an exchange field, the transverse thermal conductivity vanishes due to the time-reversal symmetry. The transverse conductivity becomes finite in the presence of an exchange field and exhibits several peaks with opposite signs. The peak values increase as the field becomes strong. However, as the temperature becomes high, the peak values begin to decay. The results may be helpful in exploring spin caloritronics based on silicene.

Suggested Citation

  • Yonghong Yan & Weiguo Ye & Haifei Wu & Hui Zhao, 2017. "Electronic thermal Hall effect in silicene," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 90(10), pages 1-5, October.
    • Handle: RePEc:spr:eurphb:v:90:y:2017:i:10:d:10.1140_epjb_e2017-80394-x
    DOI: 10.1140/epjb/e2017-80394-x
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    Cited by:

    1. Deepak, K. & Pattanaik, M.S. & Ramanujan, R.V., 2019. "Figure of merit and improved performance of a hybrid thermomagnetic oscillator," Applied Energy, Elsevier, vol. 256(C).
    2. Deepak, K. & Varma, V.B. & Prasanna, G. & Ramanujan, R.V., 2019. "Hybrid thermomagnetic oscillator for cooling and direct waste heat conversion to electricity," Applied Energy, Elsevier, vol. 233, pages 312-320.

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    Keywords

    Solid State and Materials;

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