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LnCu3(OH)6Cl3 (Ln = Gd, Tb, Dy): Heavy lanthanides on spin-1/2 kagome magnets |
| Ying Fu(付盈)1,2, Lianglong Huang(黄良龙)3, Xuefeng Zhou(周雪峰)3, Jian Chen(陈见)3, Xinyuan Zhang(张馨元)4, Pengyun Chen(陈鹏允)5, Shanmin Wang(王善民)3, Cai Liu(刘才)2, Dapeng Yu(俞大鹏)2, Hai-Feng Li(李海峰)1,†, Le Wang(王乐)2,‡, and Jia-Wei Mei(梅佳伟)2,6,§ |
1 Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macao SAR 999078, China;
2 Shenzhen Institute for Quantum Science and Engineering, and Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China;
3 Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China;
4 Institute of Functional Crystals, Tianjin University of Technology, Tianjin 300384, China;
5 Institute of Resources Utilization and Rare-earth Development, Guangdong Academy of Sciences, Guangzhou 51065, China;
6 Shenzhen Key Laboratory of Advanced Quantum Functional Materials and Devices, Southern University of Science and Technology, Shenzhen 518055, China |
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Abstract The spin-1/2 kagome antiferromagnets are key prototype materials for studying frustrated magnetism. Three isostructural kagome antiferromagnets LnCu3(OH)6Cl3 (Ln = Gd, Tb, Dy) have been successfully synthesized by the hydrothermal method. LnCu3(OH)6Cl3 adopts space group P3m1 and features the layered Cu-kagome lattice with lanthanide Ln3+ cations sitting at the center of the hexagons. Although heavy lanthanides (Ln = Gd, Tb, Dy) in LnCu3(OH)6Cl3 provide a large effective magnetic moment and ferromagnetic-like spin correlations compared to light-lanthanides (Nd, Sm, Eu) analogues, Cu-kagome holds an antiferromagnetically ordered state at around 17 K like YCu3(OH)6Cl3.
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Received: 19 July 2021
Revised: 09 August 2021
Accepted manuscript online: 17 August 2021
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PACS:
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06.60.Ei
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(Sample preparation)
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61.05.cp
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(X-ray diffraction)
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75.10.Jm
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(Quantized spin models, including quantum spin frustration)
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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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| Fund: Project supported by the Program for Guangdong Introducing Innovative and Entrepreneurial Teams (Grant No. 2017ZT07C062), Shenzhen Key Laboratory of Advanced Quantum Functional Materials and Devices (Grant No. ZDSYS20190902092905285), and Guangdong Basic and Applied Basic Research Foundation (Grant No. 2020B1515120100). L. Wang acknowledges the support of China Postdoctoral Science Foundation (Grant No. 2020M682780). H. F. Li acknowledges the financial supports from Science and Technology Development Fund, Macao SAR, China (File No. 0051/2019/AFJ), Guangdong Basic and Applied Basic Research Foundation (Guangdong-Dongguan Joint Fund No. 2020B1515120025), and Guangdong-Hong Kong-Macao Joint Laboratory for Neutron Scattering Science and Technology, China (Grant No. 2019B121205003). |
Corresponding Authors:
Hai-Feng Li, Le Wang, Jia-Wei Mei
E-mail: haifengli@um.edu.mo;wangl36@sustech.edu.cn;meijw@sustech.edu.cn
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Cite this article:
Ying Fu(付盈), Lianglong Huang(黄良龙), Xuefeng Zhou(周雪峰), Jian Chen(陈见), Xinyuan Zhang(张馨元), Pengyun Chen(陈鹏允), Shanmin Wang(王善民), Cai Liu(刘才), Dapeng Yu(俞大鹏), Hai-Feng Li(李海峰), Le Wang(王乐), and Jia-Wei Mei(梅佳伟) LnCu3(OH)6Cl3 (Ln = Gd, Tb, Dy): Heavy lanthanides on spin-1/2 kagome magnets 2021 Chin. Phys. B 30 100601
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