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

• DOI: 10.1039/d2cc06012d
• Publication Date: 2022-12-23T09:00:46Z
• Authors: Aritz Landart-Gereka; María Mar Quesada...; María A. Palacios; Ismael F. Díaz-Or...; Hiroyuki Nojiri; Mykhaylo Ozerov; J. Krzystek; Enrique Colacio
• Keywords: Magnetic Relaxation; Hysteresis; Trigonal crystal system

The replacement of pyridine by 1-methyl-imidazol in the arms a N6-tripodal ligand allows preparing two new CoII complexes with quasi-ideal triangular prismatic geometry, which behave as SIMs (Single Ion Magnets) at zero dc field enhanced axial magnetic anisotropy, relaxation times and hysteresis.