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Dynamics of K2Ni2(SO4)3 governed by proximity to a 3D spin liquid model

Author

Listed:
  • Matías G. Gonzalez

    (Helmholtz-Zentrum Berlin für Materialien und Energie
    Freie Universität Berlin)

  • Vincent Noculak

    (Helmholtz-Zentrum Berlin für Materialien und Energie
    Freie Universität Berlin)

  • Aman Sharma

    (Institute of Physics, École Polytechnique Fédérale de Lausanne)

  • Virgile Favre

    (Institute of Physics, École Polytechnique Fédérale de Lausanne)

  • Jian-Rui Soh

    (Institute of Physics, École Polytechnique Fédérale de Lausanne)

  • Arnaud Magrez

    (École Polytechnique Fédérale de Lausanne)

  • Robert Bewley

    (Harwell Science and Innovation Campus)

  • Harald O. Jeschke

    (Okayama University
    Indian Institute of Technology Madras)

  • Johannes Reuther

    (Helmholtz-Zentrum Berlin für Materialien und Energie
    Freie Universität Berlin
    Indian Institute of Technology Madras)

  • Henrik M. Rønnow

    (Institute of Physics, École Polytechnique Fédérale de Lausanne)

  • Yasir Iqbal

    (Indian Institute of Technology Madras)

  • Ivica Živković

    (Institute of Physics, École Polytechnique Fédérale de Lausanne)

Abstract

Quantum spin liquids (QSLs) have become a key area of research in magnetism due to their remarkable properties, such as long-range entanglement, fractional excitations, and topologically protected phenomena. Recently, the search for QSLs has expanded into the three-dimensional world, despite the suppression of quantum fluctuations due to high dimensionality. A new candidate material, K2Ni2(SO4)3, belongs to the langbeinite family and consists of two interconnected trillium lattices. Although magnetically ordered, it exhibits a highly dynamical and correlated state. In this work, we combine inelastic neutron scattering measurements with density functional theory (DFT), pseudo-fermion functional renormalization group (PFFRG), and classical Monte Carlo (cMC) calculations to study the magnetic properties of K2Ni2(SO4)3, revealing a high level of agreement between experiment and theory. We further reveal the origin of the dynamical state in K2Ni2(SO4)3 to be centred around a magnetic network composed of tetrahedra on a trillium lattice.

Suggested Citation

  • Matías G. Gonzalez & Vincent Noculak & Aman Sharma & Virgile Favre & Jian-Rui Soh & Arnaud Magrez & Robert Bewley & Harald O. Jeschke & Johannes Reuther & Henrik M. Rønnow & Yasir Iqbal & Ivica Živkov, 2024. "Dynamics of K2Ni2(SO4)3 governed by proximity to a 3D spin liquid model," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-51362-1
    DOI: 10.1038/s41467-024-51362-1
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    References listed on IDEAS

    as
    1. Shravani Chillal & Yasir Iqbal & Harald O. Jeschke & Jose A. Rodriguez-Rivera & Robert Bewley & Pascal Manuel & Dmitry Khalyavin & Paul Steffens & Ronny Thomale & A. T. M. Nazmul Islam & Johannes Reut, 2020. "Evidence for a three-dimensional quantum spin liquid in PbCuTe2O6," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    2. Owen Benton & L.D.C. Jaubert & Han Yan & Nic Shannon, 2016. "A spin-liquid with pinch-line singularities on the pyrochlore lattice," Nature Communications, Nature, vol. 7(1), pages 1-7, September.
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