Haines, C. R. S. and Coak, M. J. and Lampronti, Giulio I. and Liu, C. and Hamidov, H. and Wildes, A. R. and Daisenberger, D. and Nahai-Williamson, P. and Saxena, S. S. (2018) Structural and electronic phase transitions in FePS$₃$ under the application of pressure. arXiv.org > cond-mat > arXiv:1801.10089.
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Abstract
Two-dimensional materials have proven to be a prolific breeding ground of new and unstudied forms of magnetism and unusual metallic states, particularly when tuned between their insulating and metallic phases. In this paper we present work on a new metal to insulator transition system FePS$₃$ . This compound is a two-dimensional van-der-Waals antiferromagnetic Mott insulator. Here we report the discovery of an insulator-metal transition in FePS$₃$, as evidenced by x-ray diffraction and electrical transport measurements, using high pressure as a tuning parameter. Two structural phase transitions are observed in the x-ray diffraction data as a function of pressure and resistivity measurements show evidence of onset of a metallic state at high pressures. We propose models for the two new structures that can successfully explain the x-ray diffraction patterns.
Item Type: | Article |
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Additional Information: | 9 pages, 12 figures |
Uncontrolled Keywords: | NILAREP, IA73 |
Subjects: | 03 - Mineral Sciences |
Divisions: | 03 - Mineral Sciences 08 - Green Open Access |
Journal or Publication Title: | arXiv.org > cond-mat > arXiv:1801.10089 |
Depositing User: | Sarah Humbert |
Date Deposited: | 07 Jan 2019 21:49 |
Last Modified: | 07 Jan 2019 21:49 |
URI: | http://eprints.esc.cam.ac.uk/id/eprint/4384 |
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