Zhu Li, Yin Bing, Ma Pengtao, Li Dongfeng
Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, P. R. China.
Inorg Chem. 2020 Nov 16;59(22):16117-16121. doi: 10.1021/acs.inorgchem.0c01716. Epub 2020 Oct 23.
Two Dy complexes, [Dy(bbpen-F)X] [X = Cl (), Br (); Hbbpen-F = ,'-bis(2-hydroxybenzyl)-,'-bis(5-fluoro-2-methylpyridyl)ethylenediamine], have been synthesized that show remarkable single-molecule-magnet behavior with effective barriers of magnetic reversal of 837.7 K for and 1149.7 K for under zero direct-current field and hysteresis loops up to 20 K for and 30 K for , as confirmed by magnetic properties and ab initio calculations.
合成了两种镝配合物[Dy(bbpen-F)X](X = Cl(),Br();Hbbpen-F = ,'-双(2-羟基苄基)-,'-双(5-氟-2-甲基吡啶基)乙二胺),它们表现出显著的单分子磁体行为,在零直流场下,其磁反转有效势垒对于为837.7 K,对于为1149.7 K,并且对于的磁滞回线高达20 K,对于的磁滞回线高达30 K,这通过磁性性质和从头算计算得到证实。