| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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From Claringbullite to a New Spin Liquid Candidate Cu$_3$Zn(OH)$_6$FCl |
| Zili Feng1,2†, Wei Yi3†, Kejia Zhu1, Yuan Wei1,2, Shanshan Miao1, Jie Ma4,5, Jianlin Luo1,2,6, Shiliang Li1,2,6**, Zi Yang Meng1,7,8**, Youguo Shi1,2** |
1Beijing National Laboratory of Condensed Matter Physics, and Institute of Physics, Chinese Academy of Sciences, Beijing 100190
2School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190
3Nano Electronics Device Materials group, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
4Key Laboratory of Artificial Structures and Quantum Control, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240
5Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093
6Collaborative Innovation Center of Quantum Matter, Beijing 100190
7CAS Center of Excellence in Topological Quantum Computation and School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190
8Songshan Lake Materials Laboratory, Dongguan 523808 |
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| Cite this article: |
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Zili Feng, Wei Yi, Kejia Zhu et al 2019 Chin. Phys. Lett. 36 017502 |
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Abstract The search for quantum spin liquid (QSL) materials has attracted significant attention in the field of condensed matter physics in recent years, however so far only a handful of them are considered as candidates hosting QSL ground state. Owning to their geometrically frustrated structures, Kagome materials are ideal systems to realize QSL. We synthesize the kagome structured material claringbullite (Cu$_4$(OH)$_6$FCl) and then replace inter-layer Cu with Zn to form Cu$_3$Zn(OH)$_6$FCl. Comprehensive measurements reveal that doping Zn$^{2+}$ ions transforms magnetically ordered Cu$_4$(OH)$_6$FCl into a non-magnetic QSL candidate Cu$_3$Zn(OH)$_6$FCl. Therefore, the successful syntheses of Cu$_4$(OH)$_6$FCl and Cu$_3$Zn(OH)$_6$FCl provide not only a new platform for the study of QSL but also a novel pathway of investigating the transition between QSL and magnetically ordered systems.
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Received: 16 November 2018
Published: 13 December 2018
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| PACS: |
75.10.Kt
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(Quantum spin liquids, valence bond phases and related phenomena)
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75.40.Cx
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(Static properties (order parameter, static susceptibility, heat capacities, critical exponents, etc.))
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67.30.er
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(Magnetic properties, NMR)
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| Fund: Supported by the National Key Research and Development Program (2016YFA0300502, 2017YFA0302901, 2016YFA0300604 and 2016YFA0300501), the Strategic Priority Research Program of the Chinese Academy of Sciences (XDB28000000, XDB07020100 and QYZDB-SSW-SLH043), the National Natural Science Foundation of China under Grant Nos 11421092, 11574359, 11674370, 11774399, 11474330 and U1732154. |
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