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Synthesis, Crystal Structure, and Magnetism in Fluoride Sulfates, A2VF3(SO4) (A = K, Rb, Cs)

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Title
Synthesis, Crystal Structure, and Magnetism in Fluoride Sulfates, A2VF3(SO4) (A = K, Rb, Cs)
Author(s)
Jin, Yanling; Suheon Lee; Zhang, Xinan; Chen, Dan; Zhu, Wenxuan; Li, Yaping; Huang, Qingqing; Mun, Eundeok; Choi, Kwang-Yong; Lü, Minfeng
Publication Date
2024-06
Journal
Crystal Growth & Design, v.24, no.11, pp.4428 - 4436
Publisher
American Chemical Society
Abstract
Three novel alkali metal vanadium(III) fluoride sulfates, A2VF3(SO4) (A = K, Rb, Cs), were prepared through hydrothermal redox reactions. The products were isostructural with previously reported K2MnF3(SeO4) and featured one-dimensional chains of trans-VF4O2 octahedra that were connected by μ2-bridging oxygen atoms with SO4 units. In the title compounds, spin chains of V3+ (S = 1) with trans V-F-V bridges were arranged in a two-dimensional rectangular lattice. DC magnetization showed unpredictable ferromagnetic-like ordering at ∼0.6 K, accompanied by a weak hysteresis curve. At high temperatures, the dominant magnetic interactions were found to be antiferromagnetic, as deduced from the negative values of the Curie-Weiss temperature. © 2024 American Chemical Society.
URI
https://pr.ibs.re.kr/handle/8788114/15233
DOI
10.1021/acs.cgd.4c00089
ISSN
1528-7483
Appears in Collections:
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > 1. Journal Papers (저널논문)
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