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Quantum phases and spin liquid properties of 1T-TaS2

Mañas-Valero, Samuel; Huddart, Benjamin M.; Lancaster, Tom; Coronado, Eugenio; Pratt, Francis L.

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Authors

Samuel Mañas-Valero

Eugenio Coronado

Francis L. Pratt



Abstract

Quantum materials exhibiting magnetic frustration are connected to diverse phenomena, including high Tc superconductivity, topological order, and quantum spin liquids (QSLs). A QSL is a quantum phase (QP) related to a quantum-entangled fluid-like state of matter. Previous experiments on QSL candidate materials are usually interpreted in terms of a single QP, although theories indicate that many distinct QPs are closely competing in typical frustrated spin models. Here we report on combined temperature-dependent muon spin relaxation and specific heat measurements for the triangular-lattice QSL candidate material 1T-TaS2 that provide evidence for competing QPs. The measured properties are assigned to arrays of individual QSL layers within the layered charge density wave structure of 1T-TaS2 and their characteristic parameters can be interpreted as those of distinct Z2 QSL phases. The present results reveal that a QSL description can extend beyond the lowest temperatures, offering an additional perspective in the search for such materials.

Citation

Mañas-Valero, S., Huddart, B. M., Lancaster, T., Coronado, E., & Pratt, F. L. (2021). Quantum phases and spin liquid properties of 1T-TaS2. npj Quantum Materials, 6(1), Article 69. https://doi.org/10.1038/s41535-021-00367-w

Journal Article Type Article
Acceptance Date Jun 23, 2021
Online Publication Date Jul 21, 2021
Publication Date 2021
Deposit Date Jul 21, 2021
Publicly Available Date Oct 26, 2021
Journal npj quantum materials.
Print ISSN 2397-4648
Electronic ISSN 2397-4648
Publisher Nature Research
Peer Reviewed Peer Reviewed
Volume 6
Issue 1
Article Number 69
DOI https://doi.org/10.1038/s41535-021-00367-w
Public URL https://durham-repository.worktribe.com/output/1271728
Related Public URLs https://arxiv.org/abs/2007.15905

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.






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