| Autor: |
E. S. Kozlyakova, A. V. Moskin, P. S. Berdonosov, V. V. Gapontsev, S. V. Streltsov, M. Uhlarz, S. Spachmann, A. ElGhandour, R. Klingeler, A. N. Vasiliev |
| Jazyk: |
angličtina |
| Rok vydání: |
2021 |
| Předmět: |
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| Zdroj: |
Scientific Reports, Vol 11, Iss 1, Pp 1-8 (2021) |
| Druh dokumentu: |
article |
| ISSN: |
2045-2322 |
| DOI: |
10.1038/s41598-021-94390-3 |
| Popis: |
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 T max ~ 12 K to long-range order at T N = 6 K. Under external magnetic field it experiences the sequence of spin-flop at B c1 = 9.0 T and spin-flip transitions B c2 = 23.7 T prior to full saturation at B sat = 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. |
| Databáze: |
Directory of Open Access Journals |
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