基于[Mo(CN)7]^(4-)的分子磁性材料研究进展  

Research progress in molecular magnetic materials based on the [Mo(CN)] unit

作　　者：史乐[1] 吴冬青 卫晓琴 王新益 Le Shi;Dongqing Wu;Xiaoqin Wei;Xinyi Wang(State Key Laboratory of Coordination Chemistry,Collaborative Innovation Center of Advanced Microstructures,School of Chemistry and Chemical Engineering,Nanjing University,Nanjing 210023,China;School of Chemistry and Chemical Engineering,Shangqiu Normal University,Shangqiu 476000,China;School of Chemistry and Chemical Engineering,Jinzhong University,Jinzhong 030619,China)

机构地区：[1]配位化学国家重点实验室,人工微结构协同创新中心,南京大学化学化工学院,南京210023 [2]商丘师范学院化学化工学院,商丘476000 [3]晋中学院化学化工学院,晋中030619

出　　处：《中国科学：化学》2020年第11期1637-1653,共17页SCIENTIA SINICA Chimica

基　　金：国家重点研究发展计划(编号:2018YFA0306002);国家自然科学基金(编号:21973039)资助项目。

摘　　要：分子磁性材料是一类通过化学方法将自由基或顺磁离子及抗磁配体组合而成的具有特定磁学性质的化合物.基于三价MoⅢ中心的[Mo(CN)7]^(4-)构筑块在分子磁性材料领域有着独特的研究意义.一方面,MoⅢ和其他金属离子的强磁耦合有利于合成高Tc分子基磁体;另一方面,MoⅢ的单离子磁各向异性以及和其他金属离子之间的各向异性磁交换为构筑分子纳米磁体提供了新的思路.本文总结了基于[Mo(CN)7]^(4-)构筑块的高维磁体、低维磁体以及客体调控的磁转换材料,并对[Mo(CN)7]^(4-)构筑块在分子磁性材料领域的研究进行了展望.Molecular magnetic materials,assembled by spin carriers and organic ligands,are a class of compounds with specific magnetic properties.The[Mo(CN)7]^(4-)building block with a trivalent MoⅢcenter has unique significance in this area.On one hand,strong magnetic coupling between the MoⅢspin and other metal ions through the bridging cyanide groups is promising for the preparation of high Tc magnets.On the other hand,the strong magnetic anisotropy,arising from both the single-ion magnetic anisotropy of the MoⅢcenter and also the strong anisotropic exchange interaction between other metal centers,provides new ideas for the construction of molecular nanomagnets.In this review,we summarized the research progress in the[Mo(CN)7]^(4-)-based molecular magnetic materials,including high-dimensional magnets,low-dimensional magnets and guest-switchable magnetic materials.Prospects of future studies in this specific field are also proposed.

关 键 词：分子磁性材料 [Mo(CN)7]^(4-) 分子基磁体 各向异性磁交换 分子纳米磁体 

分 类 号：TM271[一般工业技术—材料科学与工程]