Anomalous spin disordered properties of strongly correlated honeycomb compound In3Cu2VO9 | Zendy

S.L. Jia | Zendy; Qing-Wei Wang | Zendy; Xiang-Long Yu | Zendy; LiangJian Zou | Zendy

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Anomalous spin disordered properties of strongly correlated honeycomb compound In3Cu2VO9

Author(s) -

S.L. Jia,

Qing-Wei Wang,

Xiang-Long Yu,

LiangJian Zou

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4977227

Subject(s) - condensed matter physics , antiferromagnetism , ground state , heisenberg model , honeycomb , lattice (music) , spin (aerodynamics) , magnetic susceptibility , phase (matter) , materials science , physics , thermodynamics , quantum mechanics , acoustics , composite material

We study the ground-state and finite-temperature magnetic properties of an interlayer frustrated J1 − J2 − Jc Heisenberg model on three-dimensional honeycomb lattice by employing the Schwinger boson mean-field theory, focusing on the low-energy physics in In3Cu2VO9. We find that with the increase of interlayer coupling Jc from 0 to 3.6 meV, the interlayer frustrated system transits from an antiferromagnetic (AFM) phase to a state with intralayer AFM order and interlayer disorder. This spin disordered phase explains not only the intralayer phase transition at TN = 38 K, but also the qualitative behaviors of the intermediate-temperature specific heat and magnetic susceptibility of In3Cu2VO9

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