过渡金属硫酸盐化合物M7(SO4)3(OH)8 （M = Co, Ni, Cu）中的混合kagom和三角晶格

IF 4.7 2区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Pub Date : 2025-03-24 DOI:10.1021/acs.inorgchem.5c0016510.1021/acs.inorgchem.5c00165

Tianyu Zhu, Zhiying Zhao, Meiyan Cui, Junfeng Wang, Chao Dong, Wenhao Zhang, Guozhao Wang, Wenya Xiang and Zhangzhen He*,

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引用次数: 0

摘要

用水热法合成了一系列过渡金属硫酸盐化合物M7(SO4)3(OH)8 (M = Co, Ni, Cu)，它们具有独特的自旋晶格结构。Co7(SO4)3(OH)8和Ni7(SO4)3(OH)8沿c轴呈现kagomoise和三角形交替分布，而Cu7(SO4)3(OH)8由于八面体畸变较大，呈现kagomoise和三角形沿a轴延伸。磁测量表明，Co7(SO4)3(OH)8在~ 6.5 K时表现出强烈的铁磁性跃迁，而Ni7(SO4)3(OH)8在~ 24 K时表现出长程磁序，在~ 2.5 K时表现出自旋玻璃行为。

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

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

A series of transition metal sulfate compounds, M₇(SO₄)₃(OH)₈ (M = Co, Ni, Cu), have been hydrothermally synthesized and exhibit unique topological spin lattices composed of mixed kagomé and triangular motifs. Co₇(SO₄)₃(OH)₈ and Ni₇(SO₄)₃(OH)₈ feature alternating kagomé and triangular layers along the c-axis, while Cu₇(SO₄)₃(OH)₈ shows merged kagomé and triangular motifs extending along the a-axis due to greater octahedral distortion. Magnetic measurements reveal that Co₇(SO₄)₃(OH)₈ exhibits a ferrimagnetic transition at ∼6.5 K with strong frustration, while Ni₇(SO₄)₃(OH)₈ undergoes long-range magnetic order at ∼24 K and exhibits spin-glass behavior at ∼2.5 K.

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来源期刊

Inorganic Chemistry 化学-无机化学与核化学

CiteScore

7.60

自引率

13.00%

发文量

1960

审稿时长

1.9 months

期刊介绍： Inorganic Chemistry publishes fundamental studies in all phases of inorganic chemistry. Coverage includes experimental and theoretical reports on quantitative studies of structure and thermodynamics, kinetics, mechanisms of inorganic reactions, bioinorganic chemistry, and relevant aspects of organometallic chemistry, solid-state phenomena, and chemical bonding theory. Emphasis is placed on the synthesis, structure, thermodynamics, reactivity, spectroscopy, and bonding properties of significant new and known compounds.