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@article{1692916,
author = {Liu, Huimei and Chaloupka, Jiří and Khaliullin, Giniyat},
article_number = {4},
doi = {http://dx.doi.org/10.1103/PhysRevLett.125.047201},
keywords = {Magnetic Properties; Kitaev model},
language = {eng},
issn = {0031-9007},
journal = {Physical Review Letters},
title = {Kitaev Spin Liquid in 3d Transition Metal Compounds},
url = {https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.125.047201},
volume = {125},
year = {2020}
}
TY - JOUR
ID - 1692916
AU - Liu, Huimei - Chaloupka, Jiří - Khaliullin, Giniyat
PY - 2020
TI - Kitaev Spin Liquid in 3d Transition Metal Compounds
JF - Physical Review Letters
VL - 125
IS - 4
SP - 1-6
EP - 1-6
PB - American Physical Society
SN - 00319007
KW - Magnetic Properties
KW - Kitaev model
UR - https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.125.047201
L2 - https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.125.047201
N2 - We study the exchange interactions and resulting magnetic phases in the honeycomb cobaltates. For a broad range of trigonal crystal fields acting on Co2+ ions, the low-energy pseudospin-1/2 Hamiltonian is dominated by bond-dependent Ising couplings that constitute the Kitaev model. The non-Kitaev terms nearly vanish at small values of trigonal field Delta, resulting in spin liquid ground state. Considering Na3Co2SbO6 as an example, we find that this compound is proximate to a Kitaev spin liquid phase, and can be driven into it by slightly reducing Delta by similar to 20 meV, e.g., via strain or pressure control. We argue that, due to the more localized nature of the magnetic electrons in 3d compounds, cobaltates offer the most promising search area for Kitaev model physics.
ER -
LIU, Huimei, Jiří CHALOUPKA and Giniyat KHALIULLIN. Kitaev Spin Liquid in 3d Transition Metal Compounds. \textit{Physical Review Letters}. American Physical Society, 2020, vol.~125, No~4, p.~1-6. ISSN~0031-9007. Available from: https://dx.doi.org/10.1103/PhysRevLett.125.047201.
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