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Competition between...
Competition between magnetic interactions and structural instabilities leading to itinerant frustration in the triangular lattice antiferromagnet LiCrSe 2
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- Nocerino, E. (författare)
- Alba Nova Universitetscentrum,AlbaNova University Center. Stockholm Center for Physics, Astronomy and Biotechnology
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- Kobayashi, Shintaro (författare)
- Japan Synchrotron Radiation Research Institute (JASRI)
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- Witteveen, C. (författare)
- Universität Zürich,University of Zürich,Université de Genève,University of Geneva
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- Forslund, Ola Kenji, 1990 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Matsubara, Nami (författare)
- Alba Nova Universitetscentrum,AlbaNova University Center. Stockholm Center for Physics, Astronomy and Biotechnology
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- Tang, Chiu (författare)
- Diamond Light Source
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- Matsukawa, Takeshi (författare)
- Ibaraki University
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- Hoshikawa, Akinori (författare)
- Ibaraki University
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- Koda, Akihiro (författare)
- High Energy Accelerator Research Organization (KEK),The Graduate University for Advanced Studies (SOKENDAI)
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Yoshimura, Kazuyoshi (författare)
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- Umegaki, I. (författare)
- High Energy Accelerator Research Organization (KEK)
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- Sassa, Yasmine, 1981 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- von Rohr, F. O. (författare)
- Université de Genève,University of Geneva
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Pomjakushin, V. (författare)
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- Brewer, J. (författare)
- University of British Columbia (UBC),TRIUMF
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- Sugiyama, Jun (författare)
- Japan Atomic Energy Agency
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- Månsson, Martin (författare)
- Alba Nova Universitetscentrum,AlbaNova University Center. Stockholm Center for Physics, Astronomy and Biotechnology
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(creator_code:org_t)
- 2023
- 2023
- Engelska.
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Ingår i: Communications Materials. - 2662-4443. ; 4:1
- Relaterad länk:
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https://research.cha... (primary) (free)
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- LiCrSe2 constitutes a recent valuable addition to the ensemble of two-dimensional triangular lattice antiferromagnets. In this work, we present a comprehensive study of the low temperature nuclear and magnetic structure established in this material. Being subject to a strong magnetoelastic coupling, LiCrSe2 was found to undergo a first order structural transition from a trigonal crystal system (P3 ¯ m1) to a monoclinic one (C2/m) at T s = 30 K. Such restructuring of the lattice is accompanied by a magnetic transition at T N = 30 K. Refinement of the magnetic structure with neutron diffraction data and complementary muon spin rotation analysis reveal the presence of a complex incommensurate magnetic structure with a up-up-down-down arrangement of the chromium moments with ferromagnetic double chains coupled antiferromagnetically. The spin axial vector is also modulated both in direction and modulus, resulting in a spin density wave-like order with periodic suppression of the chromium moment along the chains. This behavior is believed to appear as a result of strong competition between direct exchange antiferromagnetic and superexchange ferromagnetic couplings established between both nearest neighbor and next nearest neighbor Cr3+ ions. We finally conjecture that the resulting magnetic order is stabilized via subtle vacancy/charge order within the lithium layers, potentially causing a mix of two co-existing magnetic phases within the sample.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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Nocerino, E.
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Kobayashi, Shint ...
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Witteveen, C.
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Forslund, Ola Ke ...
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Matsubara, Nami
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Tang, Chiu
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visa fler...
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Matsukawa, Takes ...
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Hoshikawa, Akino ...
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Koda, Akihiro
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Yoshimura, Kazuy ...
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Umegaki, I.
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Sassa, Yasmine, ...
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von Rohr, F. O.
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Pomjakushin, V.
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Brewer, J.
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Sugiyama, Jun
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Månsson, Martin
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Chalmers tekniska högskola