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Article: Stripe order and spin dynamics in the triangular-lattice antiferromagnet KErSe2: A single-crystal study with a theoretical description

TitleStripe order and spin dynamics in the triangular-lattice antiferromagnet KErSe2: A single-crystal study with a theoretical description
Authors
Issue Date15-Mar-2023
PublisherAmerican Physical Society
Citation
Physical Review B, 2023, v. 107, n. 10, p. 1-7 How to Cite?
AbstractThe rare-earth triangular-lattice chalcogenide is a great platform for exploring both spin liquids and novel magnetic orders with anisotropic spin interactions and magnetic frustrations. Here, we report the thermodynamic and neutron-scattering measurements of rare-earth triangular-lattice chalcogenide KErSe2, using single-crystal samples. Our experiments revealed a long-range stripe order below 0.2 K. Although the magnetic order was three dimensional, magnetic excitations exhibited negligible modulation along the z direction, indicating very weak interlayer coupling. Furthermore, magnetic excitation developed a well-defined spin-wave dispersion with a gap of similar to 0.03 meV at M points. Both the stripe order and spin-wave excitations could be quantitatively understood from the anisotropic spin interactions of the Er3+ Kramers doublets.
Persistent Identifierhttp://hdl.handle.net/10722/328460
ISSN
2023 Impact Factor: 3.2
2023 SCImago Journal Rankings: 1.345
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorDing, GF-
dc.contributor.authorWo, HL-
dc.contributor.authorLuo, RL-
dc.contributor.authorGu, YM-
dc.contributor.authorGu, YQ-
dc.contributor.authorBewley, R-
dc.contributor.authorChen, G-
dc.contributor.authorZhao, J-
dc.date.accessioned2023-06-28T04:45:09Z-
dc.date.available2023-06-28T04:45:09Z-
dc.date.issued2023-03-15-
dc.identifier.citationPhysical Review B, 2023, v. 107, n. 10, p. 1-7-
dc.identifier.issn2469-9950-
dc.identifier.urihttp://hdl.handle.net/10722/328460-
dc.description.abstractThe rare-earth triangular-lattice chalcogenide is a great platform for exploring both spin liquids and novel magnetic orders with anisotropic spin interactions and magnetic frustrations. Here, we report the thermodynamic and neutron-scattering measurements of rare-earth triangular-lattice chalcogenide KErSe2, using single-crystal samples. Our experiments revealed a long-range stripe order below 0.2 K. Although the magnetic order was three dimensional, magnetic excitations exhibited negligible modulation along the z direction, indicating very weak interlayer coupling. Furthermore, magnetic excitation developed a well-defined spin-wave dispersion with a gap of similar to 0.03 meV at M points. Both the stripe order and spin-wave excitations could be quantitatively understood from the anisotropic spin interactions of the Er3+ Kramers doublets.-
dc.languageeng-
dc.publisherAmerican Physical Society-
dc.relation.ispartofPhysical Review B-
dc.titleStripe order and spin dynamics in the triangular-lattice antiferromagnet KErSe2: A single-crystal study with a theoretical description-
dc.typeArticle-
dc.identifier.doi10.1103/PhysRevB.107.L100411-
dc.identifier.volume107-
dc.identifier.issue10-
dc.identifier.spage1-
dc.identifier.epage7-
dc.identifier.eissn2469-9969-
dc.identifier.isiWOS:000962466800003-
dc.publisher.placeCOLLEGE PK-
dc.identifier.issnl2469-9950-

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