Crossref journal-article
AIP Publishing
Journal of Applied Physics (317)
Abstract

We systematically study the effect of high pressure on the structure, electronic structure, and transport properties of 2H-MoS2, based on first-principles density functional calculations and the Boltzmann transport theory. Our calculation shows a vanishing anisotropy in the rate of structural change at around 25 GPa, in agreement with the experimental data. A conversion from van der Waals to covalent-like bonding is seen. Concurrently, a transition from semiconductor to metal occurs at 25 GPa from band structure calculation. Our transport calculations also find pressure-enhanced electrical conductivities and significant values of the thermoelectric figure of merit over a wide temperature range. Our study supplies a new route to improve the thermoelectric performance of MoS2 and of other transition metal dichalcogenides by applying hydrostatic pressure.

Bibliography

Guo, H., Yang, T., Tao, P., Wang, Y., & Zhang, Z. (2013). High pressure effect on structure, electronic structure, and thermoelectric properties of MoS2. Journal of Applied Physics, 113(1).

Authors 5
  1. Huaihong Guo (first)
  2. Teng Yang (additional)
  3. Peng Tao (additional)
  4. Yong Wang (additional)
  5. Zhidong Zhang (additional)
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Dates
Type When
Created 12 years, 7 months ago (Jan. 4, 2013, 7:26 a.m.)
Deposited 2 years, 2 months ago (June 23, 2023, 3:01 a.m.)
Indexed 12 hours, 48 minutes ago (Aug. 23, 2025, 1:08 a.m.)
Issued 12 years, 7 months ago (Jan. 3, 2013)
Published 12 years, 7 months ago (Jan. 3, 2013)
Published Online 12 years, 7 months ago (Jan. 3, 2013)
Published Print 12 years, 7 months ago (Jan. 7, 2013)
Funders 1
  1. National Natural Science Foundation of China 10.13039/501100001809

    Region: Asia

    gov (National government)

    Labels11
    1. Chinese National Science Foundation
    2. Natural Science Foundation of China
    3. National Science Foundation of China
    4. NNSF of China
    5. NSF of China
    6. 国家自然科学基金委员会
    7. National Nature Science Foundation of China
    8. Guójiā Zìrán Kēxué Jījīn Wěiyuánhuì
    9. NSFC
    10. NNSF
    11. NNSFC
    Awards2
    1. 50831006
    2. 11004201

@article{Guo_2013, title={High pressure effect on structure, electronic structure, and thermoelectric properties of MoS2}, volume={113}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.4772616}, DOI={10.1063/1.4772616}, number={1}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Guo, Huaihong and Yang, Teng and Tao, Peng and Wang, Yong and Zhang, Zhidong}, year={2013}, month=jan }