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Chi ZH, Zhao XM, Zhang H, et al. Pressure-induced metallization of molybdenum disulfide. Phys Rev Lett. 2014;113(3):036802doi: 10.1103/PhysRevLett.113.036802.
Chi, Z. H., Zhao, X. M., Zhang, H., Goncharov, A. F., Lobanov, S. S., Kagayama, T., Sakata, M., & Chen, X. J. (2014). Pressure-induced metallization of molybdenum disulfide. Physical review letters, 113(3), 036802. https://doi.org/10.1103/PhysRevLett.113.036802
Chi, Zhen-Hua, et al. "Pressure-induced metallization of molybdenum disulfide." Physical review letters vol. 113,3 (2014): 036802. doi: https://doi.org/10.1103/PhysRevLett.113.036802
Chi ZH, Zhao XM, Zhang H, Goncharov AF, Lobanov SS, Kagayama T, Sakata M, Chen XJ. Pressure-induced metallization of molybdenum disulfide. Phys Rev Lett. 2014 Jul 18;113(3):036802. doi: 10.1103/PhysRevLett.113.036802. Epub 2014 Jul 16. PMID: 25083660.
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Phys Rev Lett. 2014 Jul 18;113(3):036802. doi: 10.1103/PhysRevLett.113.036802. Epub 2014 Jul 16.

Pressure-induced metallization of molybdenum disulfide.

Physical review letters

Zhen-Hua Chi, Xiao-Miao Zhao, Haidong Zhang, Alexander F Goncharov, Sergey S Lobanov, Tomoko Kagayama, Masafumi Sakata, Xiao-Jia Chen

Affiliations

  1. Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, People's Republic of China.
  2. Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, People's Republic of China and Department of Physics, South China University of Technology, Guangzhou 510640, People's Republic of China.
  3. Geophysical Laboratory, Carnegie Institution of Washington, Washington, D.C. 20015, USA.
  4. Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, People's Republic of China and Geophysical Laboratory, Carnegie Institution of Washington, Washington, D.C. 20015, USA.
  5. Geophysical Laboratory, Carnegie Institution of Washington, Washington, D.C. 20015, USA and V.S. Sobolev Institute of Geology and Mineralogy SB RAS, Novosibirsk 630090, Russia.
  6. KYOKUGEN, Center for Quantum Science and Technology under Extreme Conditions, Osaka University, Osaka 560-8531, Japan.
  7. Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, People's Republic of China and Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, People's Republic of China and Geophysical Laboratory, Carnegie Institution of Washington, Washington, D.C. 20015, USA.

PMID: 25083660 DOI: 10.1103/PhysRevLett.113.036802

Abstract

X-ray diffraction, Raman spectroscopy, and electrical conductivity measurements of molybdenum disulfide MoS(2) are performed at pressures up to 81 GPa in diamond anvil cells. Above 20 GPa, we find discontinuous changes in Raman spectra and x-ray diffraction patterns which provide evidence for isostructural phase transition from 2H(c) to 2H(a) modification through layer sliding previously predicted theoretically. This first-order transition, which is completed around 40 GPa, is characterized by a collapse in the c-lattice parameter and volume and also by changes in interlayer bonding. After the phase transition completion, MoS(2) becomes metallic. The reversibility of the phase transition is identified from all these techniques.

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