期刊
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
卷 89, 期 11, 页码 -出版社
PHYSICAL SOC JAPAN
DOI: 10.7566/JPSJ.89.114709
关键词
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资金
- NSRRC in Taiwan [2018-2-252-1]
- Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT) [JP19H04688, JP20H01858, JP18H01169, JP19K23420, JP18H01161]
- Japan Society for the promotion of Science (JSPS)
- QUANOMET initiative [NL-4]
- Institute for Basic Science [IBS-R009-Y3]
- DFG [DFG Le967/16-1]
- DFG within DFG Quantum Frontiers [EXC 2123]
An osmium chloride with the chemical formula of OsxCl3 (x = 0.81) was synthesized and its crystal structure and thermodynamic properties were investigated. OsxCl3 crystallizes in a layered CdCl2-type structure with the triangular lattice partially occupied by Os ions on average. However, on microscopic length scales, the triangular lattice is composed of nano-domains with a honeycomb arrangement of Os ions, as observed by electron microscopy and Raman scattering experiments. Magnetization and heat capacity measurements revealed an absence of magnetic long-range order down to 0.08 K, while a broad peak in heat capacity at 0.15K may indicate a short-range order in the local honeycomb lattice. OsxCl3 may exhibit certain aspects of the Kitaev spin liquid that are expected for a perfect honeycomb lattice of osmium trichloride.
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