Low-temperature spin dynamics and absence of magnetic order in layered $α$-RuI$_3$
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| Main Authors: | , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866929376202850304 |
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| author | Wu, Hank C. H. Huddart, Benjamin M. Pratt, Francis L. Ni, Danrui Cava, Robert J. Blundell, Stephen J. |
| author_facet | Wu, Hank C. H. Huddart, Benjamin M. Pratt, Francis L. Ni, Danrui Cava, Robert J. Blundell, Stephen J. |
| contents | The triangular-lattice system $α$-RuI$_3$ is isostructural to the widely-studied $α$-RuCl$_3$ compound which was identified as a potential Kitaev system but exhibits, instead of spin liquid behaviour, a magnetically ordered zig-zag ground state which sets in below 14~K. Here we show experimentally that, in contrast, the spins in $α$-RuI$_3$ remain dynamic down to at least 50~mK. We study the spin dynamics using muon-spin relaxation methods and determine the presence of low-frequency fluctuations which are characteristic of a two-dimensional system. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_04065 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Low-temperature spin dynamics and absence of magnetic order in layered $α$-RuI$_3$ Wu, Hank C. H. Huddart, Benjamin M. Pratt, Francis L. Ni, Danrui Cava, Robert J. Blundell, Stephen J. Strongly Correlated Electrons The triangular-lattice system $α$-RuI$_3$ is isostructural to the widely-studied $α$-RuCl$_3$ compound which was identified as a potential Kitaev system but exhibits, instead of spin liquid behaviour, a magnetically ordered zig-zag ground state which sets in below 14~K. Here we show experimentally that, in contrast, the spins in $α$-RuI$_3$ remain dynamic down to at least 50~mK. We study the spin dynamics using muon-spin relaxation methods and determine the presence of low-frequency fluctuations which are characteristic of a two-dimensional system. |
| title | Low-temperature spin dynamics and absence of magnetic order in layered $α$-RuI$_3$ |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2406.04065 |