Strong electron–phonon coupling driven charge density wave states in stoichiometric 1T-VS2 crystals

Author:

Lee Si-Hong1,Park Yun Chang2,Chae Jinwoong34ORCID,Kim Gunn34ORCID,Kim Hyuk Jin5,Choi Byoung Ki56,Lee In Hak57,Chang Young Jun58ORCID,Chun Seung-Hyun3ORCID,Jung Minkyung9ORCID,Seo Jungpil1,Lee Sunghun3ORCID

Affiliation:

1. Department of Physics and Chemistry, DGIST, Daegu, 42988, Korea

2. Department of Measurement and Analysis, National Nanofab Center, Daejeon, 34141, Korea

3. Department of Physics and Astronomy, Sejong University, Seoul, 05006, Korea

4. Hybrid Materials Research Center, Sejong University, Seoul, 05006, Korea

5. Department of Physics, University of Seoul, Seoul, 02504, Korea

6. Advanced Light Source (ALS), E. O. Lawrence Berkeley National Laboratory, Berkeley, CA, USA

7. Center for Spintronics, Korea Institute of Science and Technology, Seoul, 02792, Korea

8. Department of Smart Cities, University of Seoul, Seoul, 02504, Korea

9. DGIST Research Institute, DGIST, Daegu, 42988, Korea

Abstract

Combining chemical reaction and low-temperature annealing allows to form perfectly stoichiometric 1T-VS2, where multiple charge density wave orders are observed due to strong electron–phonon coupling.

Funder

National Research Foundation of Korea

National Research Council of Science and Technology

U.S. Department of Energy

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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