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Field dependence of magnetic order in frustrated diamond-like antiferromagnet LiYbO<sub>2</sub>

ORAL

Abstract

Frustrated magnetism is a hotbed for searching for new electronic phases of matter. This can theoretically lead to states such as the spiral spin liquid where coplanar degenerate spiral states contain coherently fluctuating spins. One proposed venue for this state has been in the cubic diamond lattice arising from frustration in a J1-J2 Hamiltonian. Here we propose a new materials system where spiral spin liquids may potentially be observed based upon a tetragonally-elongated diamond lattice. This is exemplified by effective J = 1/2 moments within LiYbO2 via a combination of low-energy inelastic neutron scattering, crystalline electric field analysis, and linear spin wave theory. Magnetic order and its evolution under magnetic field will be discussed.

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Presenters

  • Mitchell Bordelon

    University of California, Santa Barbara

Authors

  • Mitchell Bordelon

    University of California, Santa Barbara

  • Lorenzo J Posthuma

    University of California, Santa Barbara

  • Eric M Kenney

    Physics, Boston College

  • Nicholas Butch

    NIST Center for Neutron Research, National Institute of Standards and Technology, National Institute of Standards and Technology, Center of Neutron Research, National Institute of Standards and Technology, Center for Neutron Research, National Institute of Standards and Technology, NIST Center for Neutron Research, NIST center for neutron research, NIST, NIST Center for Neutron Research, National Institute of Standards and Technology,, University of Maryland, College Park & NIST, National Institute of Standards and Technology Center for Neutron Research

  • Craig Brown

    Center of Neutron Research, National Institute of Standards and Technology, NIST Center for Neutron Research, NIST Center for Neutron Research, NIST, Center for Neutron Research, National Institute of Standards and Technology, National Institute of Standards and Technology, NCNR, NIST

  • Arnab Banerjee

    Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge National Lab, Oak Ridge National Laboratory

  • Michael John Graf

    Physics, Boston College

  • Stephen Wilson

    University of California, Santa Barbara, Materials Department, University of California, Santa Barbara, Materials Engineering, University of California, Santa Barbara, California NanoSystems Institute/Materials, University of California, Santa Barbara