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Field-induced spin-liquid-like state in a magnetic honeycomb lattice

Author(s): Zhong, Ruidan; Chung, Mimi; Kong, Tai; Nguyen, Loi Thuan; Lei, Shiming; et al

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Abstract: © 2018 American Physical Society. Quantum fluctuations in magnetic lattices can yield a quantum spin-liquid (QSL) state, where no long-range order appears even at zero temperature. The variety of mechanisms that can generate the spin-liquid state and the more exotic QSL state remain unclear, however. Here, we report a magnetic honeycomb system, BaCo2(P1-xVx)2O8, in which the spin correlations can be tuned by the disorder, leading to different magnetic behaviors. At low x, the material has a spin-glass ground state that appears to be due to coexisting and competing correlations. We have found that an external magnetic field can introduce spin-liquid-like behavior for some members of the solid solution, testified by the magnetic and thermodynamic experiments. Our results suggest that structural geometry, chemical disorder, and external field may help enhance quantum fluctuations in magnetic honeycomb materials.
Publication Date: Dec-2018
Electronic Publication Date: 18-Dec-2018
Citation: Zhong, Ruidan, Chung, Mimi, Kong, Tai, Nguyen, Loi Thuan , Lei, Shiming, Cava, Robert J. (2018). Field-induced spin-liquid-like state in a magnetic honeycomb lattice. Physical Review B, 98 (22), 10.1103/PhysRevB.98.220407
DOI: doi:10.1103/PhysRevB.98.220407
ISSN: 2469-9950
EISSN: 2469-9969
Pages: 98.22:220407-1 - 220407-6
Type of Material: Journal Article
Journal/Proceeding Title: Physical Review B
Version: Final published version. Article is made available in OAR by the publisher's permission or policy.
Notes: Physical Review B. Volume 98, Issue 22, 18 December 2018, Article number 220407.

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