Competing Ordering Modes in the Distorted Quantum Kagome Material Clinoatacamite Cu$_2$Cl(OH)$_3$
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| Autores principales: | , , , , , , , , , , , , , , , , , , , , , |
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| Formato: | Preprint |
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2026
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| author | Stödter, L. Kastner, C. Jeschke, H. O. Reehuis, M. Beauvois, K. Ouladdiaf, B. Chan, E. Yokaichiya, F. Bert, F. Hicken, T. J. Krieger, J. A. Luetkens, H. Allen, J. L. Feyerherm, R. Tovar, M. Menzel, D. Wolter, A. U. B. Büchner, B. Rule, K. C. Litterst, F. J. Rößler, U. K. Süllow, S. |
| author_facet | Stödter, L. Kastner, C. Jeschke, H. O. Reehuis, M. Beauvois, K. Ouladdiaf, B. Chan, E. Yokaichiya, F. Bert, F. Hicken, T. J. Krieger, J. A. Luetkens, H. Allen, J. L. Feyerherm, R. Tovar, M. Menzel, D. Wolter, A. U. B. Büchner, B. Rule, K. C. Litterst, F. J. Rößler, U. K. Süllow, S. |
| contents | We have studied the magnetic properties of clinoatacamite Cu$_2$Cl(OH)$_3$, the parent compound of the quantum spin liquid candidate herbertsmithite and a longstanding puzzle among frustrated quantum magnets. As we reveal using density-functional theory, clinoatacamite belongs to the class of distorted kagome antiferromagnets with the kagome plane being embedded into a low-symmetry crystal structure. By means of thermodynamic measurements, muon spin rotation/relaxation as well as neutron diffraction on single crystals, we find a complex sequence of phases/regions below 18.1 K in zero magnetic field. We propose this complexity in multicritical clinoatacamite to arise from the competition of antiferromagnetic ordering modes from the underconstrained manifold of modes, which can lead to a metamagnetic texture in zero magnetic field. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_21024 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Competing Ordering Modes in the Distorted Quantum Kagome Material Clinoatacamite Cu$_2$Cl(OH)$_3$ Stödter, L. Kastner, C. Jeschke, H. O. Reehuis, M. Beauvois, K. Ouladdiaf, B. Chan, E. Yokaichiya, F. Bert, F. Hicken, T. J. Krieger, J. A. Luetkens, H. Allen, J. L. Feyerherm, R. Tovar, M. Menzel, D. Wolter, A. U. B. Büchner, B. Rule, K. C. Litterst, F. J. Rößler, U. K. Süllow, S. Strongly Correlated Electrons We have studied the magnetic properties of clinoatacamite Cu$_2$Cl(OH)$_3$, the parent compound of the quantum spin liquid candidate herbertsmithite and a longstanding puzzle among frustrated quantum magnets. As we reveal using density-functional theory, clinoatacamite belongs to the class of distorted kagome antiferromagnets with the kagome plane being embedded into a low-symmetry crystal structure. By means of thermodynamic measurements, muon spin rotation/relaxation as well as neutron diffraction on single crystals, we find a complex sequence of phases/regions below 18.1 K in zero magnetic field. We propose this complexity in multicritical clinoatacamite to arise from the competition of antiferromagnetic ordering modes from the underconstrained manifold of modes, which can lead to a metamagnetic texture in zero magnetic field. |
| title | Competing Ordering Modes in the Distorted Quantum Kagome Material Clinoatacamite Cu$_2$Cl(OH)$_3$ |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2601.21024 |