Synthesis, structure and magnetic properties of ACo5(SeO3)4(OH)2F (A = Rb, Cs): the first compounds with a distorted 2-uniform lattice (T29)†

IF 6.1 1区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR Inorganic Chemistry Frontiers Pub Date : 2025-02-10 DOI:10.1039/D4QI03190C

Wenhao Zhang, Meiyan Cui, Zhiying Zhao, Tianyu Zhu and Zhangzhen He

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引用次数: 0

Abstract

Based on the crystal structure of A₂Cu₅(TeO₃)(SO₄)₃(OH)₄ (A = Na, K), two new compounds ACo₅(SeO₃)₄(OH)₂F (A = Rb, Cs) have been synthesized by introducing F⁻ ions, achieving the extension from a one-dimensional kagomé strip lattice to a distorted 2-uniform lattice (T29). Magnetic measurements indicate that RbCo₅ exhibits antiferromagnetic order at low temperatures, while CsCo₅ shows canted antiferromagnetic behavior. Both compounds display a field-induced magnetic transition at their respective critical fields. To the best of our knowledge, this is the first reported synthesis of compounds with a distorted 2-uniform lattice (T29).