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Nuclear and magnetic spin structure of the antiferromagnetic triangular lattice compound LiCrTe 2 investigated by μ + SR, neutron and X-ray diffraction

Nocerino, Elisabetta (författare)
KTH,Material- och nanofysik,Alba Nova Universitetscentrum,AlbaNova University Center. Stockholm Center for Physics, Astronomy and Biotechnology,AlbaNova Univ Ctr, Sweden
Witteveen, C. (författare)
Université de Genève,University of Geneva,Universität Zürich,University of Zürich,Department of Quantum Matter Physics, University of Geneva, 24 Quai Ernest-Ansermet, 1211, Geneva 4, Switzerland, 24 Quai Ernest-Ansermet; Department of Physics, University of Zürich, Winterthurerstr. 190, 8057, Zurich, Switzerland, Winterthurerstr. 190,Univ Geneva, Switzerland; Univ Zurich, Switzerland
Kobayashi, S. (författare)
Japan Synchrotron Radiation Research Institute (JASRI),Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo, 679-5198, Japan, 1-1-1 Kouto,Japan Synchrotron Radiat Res Inst JASRI, Japan
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Forslund, Ola Kenji, 1990 (författare)
Chalmers tekniska högskola,Chalmers University of Technology,Department of Physics, Chalmers University of Technology, 412 96, Göteborg, Sweden,Chalmers Univ Technol, Sweden
Matsubara, Nami (författare)
KTH,Material- och nanofysik,Alba Nova Universitetscentrum,AlbaNova University Center. Stockholm Center for Physics, Astronomy and Biotechnology,AlbaNova Univ Ctr, Sweden
Zubayer, Anton (författare)
Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
Mazza, F. (författare)
Technische Universität Wien,Vienna University of Technology,Insitute of Solid State Physics, TU Wien, Wiedner Haupstraße 8-10, 1040, Vienna, Austria, Wiedner Haupstraße 8-10
Kawaguchi, S. (författare)
Japan Synchrotron Radiation Research Institute (JASRI),Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo, 679-5198, Japan, 1-1-1 Kouto,Japan Synchrotron Radiat Res Inst JASRI, Japan
Hoshikawa, A. (författare)
Ibaraki University,Frontier Research Center for Applied Atomic Sciences, Ibaraki University, 162-1 Shirakata, Tokai, Ibaraki, 319-1106, Japan, 162-1 Shirakata, Ibaraki,Ibaraki Univ, Japan
Umegaki, I. (författare)
High Energy Accelerator Research Organization (KEK),Muon Science Laboratory, Institute of Materials Structure Science, KEK, Tokai, Ibaraki, 319-1106, Japan, Ibaraki
Sugiyama, Jun (författare)
Japan Atomic Energy Agency,Neutron Science and Technology Center, Comprehensive Research Organization for Science and Society (CROSS), Tokai, Ibaraki, 319-1106, Japan, Ibaraki; Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan, Ibaraki,Comprehens Res Org Sci & Soc CROSS, Japan; Japan Atom Energy Agcy, Japan
Yoshimura, Kazuyoshi (författare)
Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto, 606-8502, Japan,Kyoto Univ, Japan
Sassa, Yasmine, 1981 (författare)
Chalmers tekniska högskola,Chalmers University of Technology,Department of Physics, Chalmers University of Technology, 412 96, Göteborg, Sweden,Chalmers Univ Technol, Sweden
von Rohr, F. O. (författare)
Université de Genève,University of Geneva,Department of Quantum Matter Physics, University of Geneva, 24 Quai Ernest-Ansermet, 1211, Geneva 4, Switzerland, 24 Quai Ernest-Ansermet,Univ Geneva, Switzerland
Månsson, Martin, As. Prof. 1976- (författare)
KTH,Material- och nanofysik,Alba Nova Universitetscentrum,AlbaNova University Center. Stockholm Center for Physics, Astronomy and Biotechnology,AlbaNova Univ Ctr, Sweden
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 (creator_code:org_t)
2022-12-15
2022
Engelska.
Ingår i: Scientific Reports. - : Springer Science and Business Media LLC. - 2045-2322 .- 2045-2322. ; 12:1
Relaterad länk:
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https://doi.org/10.1...
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https://doi.org/10.1...
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https://urn.kb.se/re...
https://urn.kb.se/re...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Two-dimensional (2D) triangular lattice antiferromagnets (2D-TLA) often manifest intriguing physical and technological properties, due to the strong interplay between lattice geometry and electronic properties. The recently synthesized 2-dimensional transition metal dichalcogenide LiCrTe2, being a 2D-TLA, enriched the range of materials which can present such properties. In this work, muon spin rotation (μ+SR) and neutron powder diffraction (NPD) have been utilized to reveal the true magnetic nature and ground state of LiCrTe2. From high-resolution NPD the magnetic spin order at base-temperature is not, as previously suggested, helical, but rather collinear antiferromagnetic (AFM) with ferromagnetic (FM) spin coupling within the ab-plane and AFM coupling along the c-axis. The value if the ordered magnetic Cr moment is established as μCr=2.36μB. From detailed μ+SR measurements we observe an AFM ordering temperature TN≈ 125 K. This value is remarkably higher than the one previously reported by magnetic bulk measurements. From μ+SR we are able to extract the magnetic order parameter, whose critical exponent allows us to categorize LiCrTe2 in the 3D Heisenberg AFM universality class. Finally, by combining our magnetic studies with high-resolution synchrotron X-ray diffraction (XRD), we find a clear coupling between the nuclear and magnetic spin lattices. This suggests the possibility for a strong magnon–phonon coupling, similar to what has been previously observed in the closely related compound LiCrO2.

Ämnesord

NATURVETENSKAP  -- Kemi -- Oorganisk kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
NATURVETENSKAP  -- Fysik -- Annan fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Other Physics Topics (hsv//eng)
NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

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