Pushing up the easy-axis magnetic anisotropy and relaxation times in trigonal prismatic Co II mononuclear SMMs by molecular structure design.

Aritz Landart-Gereka,María Mar Quesada-Moreno,María A Palacios,Ismael F Díaz-Ortega,Hiroyuki Nojiri,Mykhaylo Ozerov, J Krzystek,Enrique Colacio

Chemical communications (Cambridge, England)（2023）

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摘要

The replacement of pyridine by 1-methyl-imidazol in the arms of a N-tripodal ligand allows preparing two new Co complexes with quasi-ideal triangular prismatic geometry, which behave as SIMs (Single Ion Magnets) at zero dc field with enhanced axial magnetic anisotropy, magnetic relaxation times and magnetic hysteresis.

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