Mixed Kagomé and Triangular Lattices in Transition Metal Sulfate Compounds M<sub>7</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>8</sub> (M = Co, Ni, Cu)

A series of transition metal sulfate compounds, M<sub>7</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>8</sub> (M = Co, Ni, Cu), have been hydrothermally synthesized and exhibit unique topological spin lattices composed of mixed kagomé and triangular motifs. Co<sub>7</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>8</sub> and Ni<sub>7</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>8</sub> feature alternating kagomé and triangular layers along the <i>c</i>-axis, while Cu<sub>7</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>8</sub> shows merged kagomé and triangular motifs extending along the <i>a</i>-axis due to greater octahedral distortion. Magnetic measurements reveal that Co<sub>7</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>8</sub> exhibits a ferrimagnetic transition at ∼6.5 K with strong frustration, while Ni<sub>7</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>8</sub> undergoes long-range magnetic order at ∼24 K and exhibits spin-glass behavior at ∼2.5 K.

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Publication Details

Journal
Inorganic Chemistry
Published
2025-03-24
DOI
https://doi.org/10.1021/acs.inorgchem.5c00165
Citations
1
Primary Topic
Advanced Condensed Matter Physics
Type
article
Field-Weighted Citation Impact
1.26

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article

Mixed Kagomé and Triangular Lattices in Transition Metal Sulfate Compounds M7(SO4)3(OH)8 (M = Co, Ni, Cu)

Zhiying Zhao, Zhangzhen He, Meiyan Cui, Chao Dong et al.
1 citations
Inorganic Chemistry
Advanced Condensed Matter Physics
1.26
article

Mixed Kagomé and Triangular Lattices in Transition Metal Sulfate Compounds M7(SO4)3(OH)8 (M = Co, Ni, Cu)

Zhiying Zhao, Zhangzhen He, Meiyan Cui, Chao Dong, Wensheng Xiang, Tianyu Zhu, Junfeng Wang, Wenhao Zhang, Guozhao Wang
article en
1 citations

Abstract

A series of transition metal sulfate compounds, M<sub>7</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>8</sub> (M = Co, Ni, Cu), have been hydrothermally synthesized and exhibit unique topological spin lattices composed of mixed kagomé and triangular motifs. Co<sub>7</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>8</sub> and Ni<sub>7</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>8</sub> feature alternating kagomé and triangular layers along the <i>c</i>-axis, while Cu<sub>7</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>8</sub> shows merged kagomé and triangular motifs extending along the <i>a</i>-axis due to greater octahedral distortion. Magnetic measurements reveal that Co<sub>7</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>8</sub> exhibits a ferrimagnetic transition at ∼6.5 K with strong frustration, while Ni<sub>7</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>8</sub> undergoes long-range magnetic order at ∼24 K and exhibits spin-glass behavior at ∼2.5 K.

Inorganic ChemistryVol. 64(13)
Chinese Academy of Sciences (CN), Fujian Institute of Research on the Structure of Matter (CN), Wuhan National Laboratory for Optoelectronics (CN), University of Chinese Academy of Sciences (CN), Huazhong University of Science and Technology (CN)
National Natural Science Foundation of China
Openalex Percentile: Top 23%
Advanced Condensed Matter Physics
1.26
DOISourceOpenAlex
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