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Article: Néel-type antiferromagnetic order and magnetic field–temperature phase diagram in the spin-1/2 rare-earth honeycomb compound YbCl3

TitleNéel-type antiferromagnetic order and magnetic field–temperature phase diagram in the spin-1/2 rare-earth honeycomb compound YbCl3
Authors
Issue Date2020
PublisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/prb/
Citation
Physical Review B: covering condensed matter and materials physics, 2020, v. 102 n. 1, article no. 014427 How to Cite?
AbstractMost of the searches for Kitaev materials deal with 4d/5d magnets with spin-orbit-coupled J=1/2 local moments such as iridates and α-RuCl3. Here we propose the monoclinic YbCl3 with a Yb3+ honeycomb lattice for the exploration of Kitaev physics. We perform thermodynamic, ac susceptibility, angle-dependent magnetic torque, and neutron diffraction measurements on YbCl3 single crystal. We find that the Yb3+ ion exhibits a Kramers doublet ground state that gives rise to an effective spin Jeff=1/2 local moment. The compound exhibits short-range magnetic order below 1.20 K, followed by a long-range Néel-type antiferromagnetic order at 0.60 K, below which the ordered Yb3+ spins lie in the ac plane with an angle of 16(11)∘ away from the a axis. These orders can be suppressed by in-plane and out-of-plane magnetic fields at around 6 and 10 T, respectively. Moreover, the Néel temperature varies nonmonotonically under the out-of-plane magnetic fields, suggesting a reduced spin dimensionality. Together with the strong in-plane magnetic anisotropy and the reduced order moment 0.8(1) μB at 0.25 K, all indicate that YbCl3 could be a two-dimensional spin system to proximate the Kitaev physics.
Persistent Identifierhttp://hdl.handle.net/10722/285243
ISSN
2023 Impact Factor: 3.2
2023 SCImago Journal Rankings: 1.345
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorXing, J-
dc.contributor.authorFeng, E-
dc.contributor.authorLiu, Y-
dc.contributor.authorEmmanouilidou, E-
dc.contributor.authorHu, C-
dc.contributor.authorLiu, J-
dc.contributor.authorGraf, D-
dc.contributor.authorRamirez, AP-
dc.contributor.authorChen, G-
dc.contributor.authorCao, H-
dc.contributor.authorNi, N-
dc.date.accessioned2020-08-18T03:51:36Z-
dc.date.available2020-08-18T03:51:36Z-
dc.date.issued2020-
dc.identifier.citationPhysical Review B: covering condensed matter and materials physics, 2020, v. 102 n. 1, article no. 014427-
dc.identifier.issn2469-9950-
dc.identifier.urihttp://hdl.handle.net/10722/285243-
dc.description.abstractMost of the searches for Kitaev materials deal with 4d/5d magnets with spin-orbit-coupled J=1/2 local moments such as iridates and α-RuCl3. Here we propose the monoclinic YbCl3 with a Yb3+ honeycomb lattice for the exploration of Kitaev physics. We perform thermodynamic, ac susceptibility, angle-dependent magnetic torque, and neutron diffraction measurements on YbCl3 single crystal. We find that the Yb3+ ion exhibits a Kramers doublet ground state that gives rise to an effective spin Jeff=1/2 local moment. The compound exhibits short-range magnetic order below 1.20 K, followed by a long-range Néel-type antiferromagnetic order at 0.60 K, below which the ordered Yb3+ spins lie in the ac plane with an angle of 16(11)∘ away from the a axis. These orders can be suppressed by in-plane and out-of-plane magnetic fields at around 6 and 10 T, respectively. Moreover, the Néel temperature varies nonmonotonically under the out-of-plane magnetic fields, suggesting a reduced spin dimensionality. Together with the strong in-plane magnetic anisotropy and the reduced order moment 0.8(1) μB at 0.25 K, all indicate that YbCl3 could be a two-dimensional spin system to proximate the Kitaev physics.-
dc.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/prb/-
dc.relation.ispartofPhysical Review B: covering condensed matter and materials physics-
dc.rightsCopyright 2020 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.102.014427.-
dc.titleNéel-type antiferromagnetic order and magnetic field–temperature phase diagram in the spin-1/2 rare-earth honeycomb compound YbCl3-
dc.typeArticle-
dc.identifier.emailChen, G: gangchen@hku.hk-
dc.identifier.authorityChen, G=rp02491-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevB.102.014427-
dc.identifier.scopuseid_2-s2.0-85090125052-
dc.identifier.hkuros312919-
dc.identifier.volume102-
dc.identifier.issue1-
dc.identifier.spagearticle no. 014427-
dc.identifier.epagearticle no. 014427-
dc.identifier.isiWOS:000549756400001-
dc.publisher.placeUnited States-
dc.identifier.issnl2469-9950-

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