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Showing 1–5 of 5 results
Advanced filters: Author: Hasung Sim Clear advanced filters

  • The properties of magnetic, crystalline solids can be described in terms of quantum particles of spin-wave and lattice-vibration energy, known as magnons and phonons respectively. Here, the authors show that strong magnon-phonon coupling in a noncollinear antiferromagnet can create magnetoelastic excitations.

    • Joosung Oh
    • Manh Duc Le
    • Je-Geun Park
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-6

  • The thermal Hall effect has been reported in several materials, but it is not expected in triangular lattice systems due to chirality cancellation. Kim et al. report the thermal Hall effect attributed to topological spin fluctuations in the supposedly paramagnetic phase of YMnO3 with a trimerized triangular lattice.

    • Ha-Leem Kim
    • Takuma Saito
    • Je-Geun Park
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-6

  • In geometrically frustrated magnets small perturbations, such as non-magnetic impurities, can significantly alter the ground state. Here, using inelastic neutron scattering, Park et al. explore such a situation in Al-doped h-YMnO3, where the Aluminum dopants induce an extended spin structure.

    • Pyeongjae Park
    • Kisoo Park
    • Je-Geun Park
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-7

  • Combined dimerization and charge ordering are rare to observe in the chemical bonding of a material. Here, a metal-metal phase transition is observed in NaRu2O4, in which site-centered charge ordering coexists with dimerization.

    • Arvind Kumar Yogi
    • Alexander Yaresko
    • Je-Geun Park
    ResearchOpen Access
    Communications Materials
    Volume: 3, P: 1-11