Wang Yu-Xia, Zhou Yicheng, Ma Yinina, Lu Peipei, Zhang Yi-Quan, Sun Young, Cheng Peng
Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin, 300387, P. R. China.
Key Laboratory of Advanced Energy Material Chemistry, Frontiers Science Center for New Organic Matter, and Haihe Laboratory of Sustainable Chemical Transformations (Tianjin), College of Chemistry, Nankai University, Tianjin, 300071, P. R. China.
Adv Sci (Weinh). 2024 Mar;11(10):e2308220. doi: 10.1002/advs.202308220. Epub 2024 Jan 17.
Single-molecule toroics are molecular magnets with vortex distribution of magnetic moments. The coupling between magnetic and electric properties such as the magnetodielectric effect will provide potential applications for them. Herein, the observation of significant magnetodielectric effect in a triangular Dy3 crystal with toroidal magnetic moment and multiple magnetic relaxations is reported. The analysis of magnetic and electric properties implies that the magnetodielectric effect is closely related to the strong spin-lattice coupling, magnetic interactions of Dy ions, as well as molecular packing models.
单分子环面磁体是具有磁矩涡旋分布的分子磁体。磁电性质之间的耦合，如磁电效应，将为它们提供潜在应用。在此，报道了在具有环形磁矩和多重磁弛豫的三角Dy3晶体中观察到显著的磁电效应。对磁电性质的分析表明，磁电效应与强自旋-晶格耦合、Dy离子的磁相互作用以及分子堆积模型密切相关。
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