Tungsten Ditelluride: a layered semimetal
10.1038/srep10013
Crossref journal-article
Springer Science and Business Media LLC
Scientific Reports (297)
Abstract

AbstractTungsten ditelluride (WTe2) is a transition metal dichalcogenide (TMD) with physical and electronic properties that make it attractive for a variety of electronic applications. Although WTe2 has been studied for decades, its structure and electronic properties have only recently been correctly described. We experimentally and theoretically investigate the structure, dynamics and electronic properties of WTe2 and verify that WTe2 has its minimum energy configuration in a distorted 1T structure (Td structure), which results in metallic-like transport. Our findings unambiguously confirm the metallic nature of WTe2, introduce new information about the Raman modes of Td-WTe2 and demonstrate that Td-WTe2 is readily oxidized via environmental exposure. Finally, these findings confirm that, in its thermodynamically favored Td form, the utilization of WTe2 in electronic device architectures such as field effect transistors may need to be reevaluated.

Bibliography

Lee, C.-H., Silva, E. C., Calderin, L., Nguyen, M. A. T., Hollander, M. J., Bersch, B., Mallouk, T. E., & Robinson, J. A. (2015). Tungsten Ditelluride: a layered semimetal. Scientific Reports, 5(1).

Authors 8
  1. Chia-Hui Lee (first)
  2. Eduardo Cruz Silva (additional)
  3. Lazaro Calderin (additional)
  4. Minh An T. Nguyen (additional)
  5. Matthew J. Hollander (additional)
  6. Brian Bersch (additional)
  7. Thomas E. Mallouk (additional)
  8. Joshua A. Robinson (additional)
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Dates
Type When
Created 10 years, 2 months ago (June 12, 2015, 6:33 a.m.)
Deposited 2 years, 7 months ago (Jan. 5, 2023, 3:31 a.m.)
Indexed 17 hours, 33 minutes ago (Aug. 27, 2025, 12:30 p.m.)
Issued 10 years, 2 months ago (June 12, 2015)
Published 10 years, 2 months ago (June 12, 2015)
Published Online 10 years, 2 months ago (June 12, 2015)
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@article{Lee_2015, title={Tungsten Ditelluride: a layered semimetal}, volume={5}, ISSN={2045-2322}, url={http://dx.doi.org/10.1038/srep10013}, DOI={10.1038/srep10013}, number={1}, journal={Scientific Reports}, publisher={Springer Science and Business Media LLC}, author={Lee, Chia-Hui and Silva, Eduardo Cruz and Calderin, Lazaro and Nguyen, Minh An T. and Hollander, Matthew J. and Bersch, Brian and Mallouk, Thomas E. and Robinson, Joshua A.}, year={2015}, month=jun }