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Title: Quasi-1D XY Antiferromagnet Sr2Ni(SeO3)2Cl2 at Sakai-Takahashi Phase Diagram
Authors: Kozlyakova, E. S.
Moskin, A. V.
Berdonosov, P. S.
Gapontsev, V. V.
Streltsov, S. V.
Uhlarz, M.
Spachmann, S.
ElGhandour, A.
Klingeler, R.
Vasiliev, A. N.
Issue Date: 2021
Publisher: Nature Research
Springer Science and Business Media LLC
Citation: Quasi-1D XY Antiferromagnet Sr2Ni(SeO3)2Cl2 at Sakai-Takahashi Phase Diagram / E. S. Kozlyakova, A. V. Moskin, P. S. Berdonosov et al. // Scientific Reports. — 2021. — Vol. 11. — Iss. 1. — 15002.
Abstract: Uniform quasi-one-dimensional integer spin compounds are of interest as a potential realization of the Haldane conjecture of a gapped spin liquid. This phase, however, has to compete with magnetic anisotropy and long-range ordered phases, the implementation of which depends on the ratio of interchain J′ and intrachain J exchange interactions and both uniaxial D and rhombic E single-ion anisotropies. Strontium nickel selenite chloride, Sr2Ni(SeO3)2Cl2, is a spin-1 chain system which passes through a correlations regime at Tmax ~ 12 K to long-range order at TN = 6 K. under external magnetic field it experiences the sequence of spin-flop at Bc1 = 9.0 T and spin-flip transitions Bc2 = 23.7 T prior to full saturation at Bsat = 31.0 T. Density functional theory provides values of the main exchange interactions and uniaxial anisotropy which corroborate the experimental findings. The values of J′/J = 0.083 and D/J = 0.357 place this compound into a hitherto unoccupied sector of the Sakai-Takahashi phase diagram. © 2021, The Author(s).
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85111144600
PURE ID: 22976510
ISSN: 2045-2322
metadata.dc.description.sponsorship: Support by the P220 program of Government of Russia through the project 075-15-2021-604 is acknowledged. ANV acknowledges support by the RFBR Grant 19-02-00015. Work at Heidelberg was supported by BMBF via the project SpinFun (13XP5088) and by Deutsche Forschungsgemeinschaft (DFG) under Germany’s Excellence Strategy EXC2181/1-390900948 (the Heidelberg STRUCTURES Excellence Cluster) and through project KL 1824/13-1. We acknowledge the support of the HLD-HZDR, member of the European Magnetic Field Laboratory (EMFL). Theoretical calculations using density functional theory were supported by the Russian Science Foundation via project 20-62-46047. Experimental research was supported by the Russian Science Foundation via project 19-42-02010.
RSCF project card: 20-62-46047
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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