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dc.contributor.authorHagihala, M-
dc.contributor.authorHayashida, S-
dc.contributor.authorAvdeev, M-
dc.contributor.authorManaka, H-
dc.contributor.authorKikuchi, H-
dc.contributor.authorMasuda, T-
dc.identifier.citationHagihala, M., Hayashida, S., Avdeev, M., Manaka, H., Kikuchi, H., & Masuda, T. (2019). Magnetic states of coupled spin tubes with frustrated geometry in CsCrF 4. npj Quantum Materials, 4(1), 1-9. doi:10.1038/s41535-019-0152-5en_US
dc.description.abstractWhen a theoretical model is realized in nature, small perturbation terms play important roles in the selection of the ground state in geometrically frustrated magnets. In case of a triangular spin tube, the two-dimensional network of the inter-tube interaction forms characteristic lattices. Among them Kagome-Triangular (KT) lattice is known to exhibit an enriched phase diagram including various types of non-trivial structures: non-coplanar cuboc structure, coplanar 120° structure with the two-dimensional propagation vector of k2D = (0, 0), 3–√×3–√ structure with k2D = (1/3, 1/3), and incommensurate structure. We investigate the magnetic state in the model material CsCrF4 by using neutron diffraction technique. Combination of representation analysis and Rietveld refinement reveals that a very rare structure, i.e., a quasi-120° structure with k2D = (1/2, 0), is realized at the base temperature. The classical calculation of the phase diagram elucidates that CsCrF4 is the first experimental realization of the KT lattice having ferromagnetic Kagome bond. A single-ion anisotropy and Dzyaloshinskii-Moriya interaction play key roles in the selection of the ground state. Furthermore, a successive phase transition having an intermediate state represented by k2D = (1/3, 1/3) is observed. The intermediate state is a partially ordered 120° structure which is induced by thermal fluctuation. © 2019, The Author(s)en_US
dc.publisherNature Publishing Groupen_US
dc.subjectMagnetic propertiesen_US
dc.subjectPhase transformationsen_US
dc.subjectMagnetic materialsen_US
dc.subjectNeutron diffractionen_US
dc.subjectPhase diagramsen_US
dc.titleMagnetic states of coupled spin tubes with frustrated geometry in CsCrF 4en_US
dc.typeJournal Articleen_US
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