Quantum phases and spin liquid properties of 1T-TaS2

Abstract Quantum materials exhibiting magnetic frustration are connected to diverse phenomena, including high T c 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 QS...

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Autores principales:	Samuel Mañas-Valero, Benjamin M. Huddart, Tom Lancaster, Eugenio Coronado, Francis L. Pratt
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
Acceso en línea:	https://doaj.org/article/f6df2bee5fdb485eb17f276ac142de1c
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spelling	oai:doaj.org-article:f6df2bee5fdb485eb17f276ac142de1c2021-12-02T17:55:10ZQuantum phases and spin liquid properties of 1T-TaS210.1038/s41535-021-00367-w2397-4648https://doaj.org/article/f6df2bee5fdb485eb17f276ac142de1c2021-07-01T00:00:00Zhttps://doi.org/10.1038/s41535-021-00367-whttps://doaj.org/toc/2397-4648Abstract Quantum materials exhibiting magnetic frustration are connected to diverse phenomena, including high T c 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 Z 2 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.Samuel Mañas-ValeroBenjamin M. HuddartTom LancasterEugenio CoronadoFrancis L. PrattNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492Atomic physics. Constitution and properties of matterQC170-197ENnpj Quantum Materials, Vol 6, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197 Samuel Mañas-Valero Benjamin M. Huddart Tom Lancaster Eugenio Coronado Francis L. Pratt Quantum phases and spin liquid properties of 1T-TaS2
description	Abstract Quantum materials exhibiting magnetic frustration are connected to diverse phenomena, including high T c 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 Z 2 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.
format	article
author	Samuel Mañas-Valero Benjamin M. Huddart Tom Lancaster Eugenio Coronado Francis L. Pratt
author_facet	Samuel Mañas-Valero Benjamin M. Huddart Tom Lancaster Eugenio Coronado Francis L. Pratt
author_sort	Samuel Mañas-Valero
title	Quantum phases and spin liquid properties of 1T-TaS2
title_short	Quantum phases and spin liquid properties of 1T-TaS2
title_full	Quantum phases and spin liquid properties of 1T-TaS2
title_fullStr	Quantum phases and spin liquid properties of 1T-TaS2
title_full_unstemmed	Quantum phases and spin liquid properties of 1T-TaS2
title_sort	quantum phases and spin liquid properties of 1t-tas2
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/f6df2bee5fdb485eb17f276ac142de1c
work_keys_str_mv	AT samuelmanasvalero quantumphasesandspinliquidpropertiesof1ttas2 AT benjaminmhuddart quantumphasesandspinliquidpropertiesof1ttas2 AT tomlancaster quantumphasesandspinliquidpropertiesof1ttas2 AT eugeniocoronado quantumphasesandspinliquidpropertiesof1ttas2 AT francislpratt quantumphasesandspinliquidpropertiesof1ttas2
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Quantum phases and spin liquid properties of 1T-TaS2

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