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Title: Pressure-induced Td to 1T' structural phase transition in WTe 2

Abstract

WTe 2 is provoking immense interest owing to its extraordinary properties, such as large positive magnetoresistance, pressure-driven superconductivity and possible type-II Weyl semimetal state. Here we report results of high-pressure synchrotron X-ray diffraction (XRD), Raman and electrical transport measurements on WTe 2. Both the XRD and Raman results reveal a structural transition upon compression, starting at 6.0 GPa and completing above 15.5 GPa. We have determined that the high-pressure lattice symmetry is monoclinic 1T' with space group of P21/m. This transition is related to a lateral sliding of adjacent Te-W-Te layers and results in a collapse of the unit cell volume by ~20.5%. The structural transition also casts a pressure range with the broadened superconducting transition, where the zero resistance disappears.

Authors:
 [1];  [2];  [3];  [2]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [2];  [4];  [5];  [5];  [6];  [7];  [8]
  1. High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei 230031, China; Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China
  2. High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei 230031, China
  3. Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, China
  4. National Laboratory of Solid State Microstructures, College of Physics, Nanjing University, Nanjing 210093, China
  5. National Laboratory of Solid State Microstructures, College of Physics, Nanjing University, Nanjing 210093, China; Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
  6. Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, China; High Pressure Synergetic Consortium, Geophysical Laboratory, Carnegie Institution of Washington, Argonne, IL 60439, USA
  7. High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei 230031, China; Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China; Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
  8. High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei 230031, China; Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1267459
Grant/Contract Number:  
NA0001974; FG02-99ER45775; AC02-06CH11357; FG02-94ER14466
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
AIP Advances
Additional Journal Information:
Journal Volume: 6; Journal Issue: 7; Journal ID: ISSN 2158-3226
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
ENGLISH
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Zhou, Yonghui, Chen, Xuliang, Li, Nana, Zhang, Ranran, Wang, Xuefei, An, Chao, Zhou, Ying, Pan, Xingchen, Song, Fengqi, Wang, Baigeng, Yang, Wenge, Yang, Zhaorong, and Zhang, Yuheng. Pressure-induced Td to 1T' structural phase transition in WTe2. United States: N. p., 2016. Web. doi:10.1063/1.4959026.
Zhou, Yonghui, Chen, Xuliang, Li, Nana, Zhang, Ranran, Wang, Xuefei, An, Chao, Zhou, Ying, Pan, Xingchen, Song, Fengqi, Wang, Baigeng, Yang, Wenge, Yang, Zhaorong, & Zhang, Yuheng. Pressure-induced Td to 1T' structural phase transition in WTe2. United States. doi:10.1063/1.4959026.
Zhou, Yonghui, Chen, Xuliang, Li, Nana, Zhang, Ranran, Wang, Xuefei, An, Chao, Zhou, Ying, Pan, Xingchen, Song, Fengqi, Wang, Baigeng, Yang, Wenge, Yang, Zhaorong, and Zhang, Yuheng. Fri . "Pressure-induced Td to 1T' structural phase transition in WTe2". United States. doi:10.1063/1.4959026. https://www.osti.gov/servlets/purl/1267459.
@article{osti_1267459,
title = {Pressure-induced Td to 1T' structural phase transition in WTe2},
author = {Zhou, Yonghui and Chen, Xuliang and Li, Nana and Zhang, Ranran and Wang, Xuefei and An, Chao and Zhou, Ying and Pan, Xingchen and Song, Fengqi and Wang, Baigeng and Yang, Wenge and Yang, Zhaorong and Zhang, Yuheng},
abstractNote = {WTe2 is provoking immense interest owing to its extraordinary properties, such as large positive magnetoresistance, pressure-driven superconductivity and possible type-II Weyl semimetal state. Here we report results of high-pressure synchrotron X-ray diffraction (XRD), Raman and electrical transport measurements on WTe2. Both the XRD and Raman results reveal a structural transition upon compression, starting at 6.0 GPa and completing above 15.5 GPa. We have determined that the high-pressure lattice symmetry is monoclinic 1T' with space group of P21/m. This transition is related to a lateral sliding of adjacent Te-W-Te layers and results in a collapse of the unit cell volume by ~20.5%. The structural transition also casts a pressure range with the broadened superconducting transition, where the zero resistance disappears.},
doi = {10.1063/1.4959026},
journal = {AIP Advances},
issn = {2158-3226},
number = 7,
volume = 6,
place = {United States},
year = {2016},
month = {7}
}

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Works referenced in this record:

The chemistry of two-dimensional layered transition metal dichalcogenide nanosheets
journal, April 2013

  • Chhowalla, Manish; Shin, Hyeon Suk; Eda, Goki
  • Nature Chemistry, Vol. 5, Issue 4, p. 263-275
  • DOI: 10.1038/nchem.1589

Calibration of the ruby pressure gauge to 800 kbar under quasi-hydrostatic conditions
journal, January 1986

  • Mao, H. K.; Xu, J.; Bell, P. M.
  • Journal of Geophysical Research, Vol. 91, Issue B5, p. 4673-4676
  • DOI: 10.1029/JB091iB05p04673