Pushing up the easy-axis magnetic anisotropy and relaxation times in trigonal prismatic CoII 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

doi:10.1039/D2CC06012D

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

Aritz Landart-Gereka,

‡^a María Mar Quesada-Moreno,

‡^a María A. Palacios,

*^a Ismael F. Díaz-Ortega,

^bc Hiroyuki Nojiri,

^b Mykhaylo Ozerov,

^d J. Krzystek^d and Enrique Colacio

*^a

Author affiliations

* Corresponding authors

^a Departamento de Química Inorgánica, Facultad de Ciencias, Universidad de Granada, 18071 Granada, Spain
E-mail: ecolacio@ugr.es, mpalacios@ugr.es

^b Institute for Materials Research, Tohoku University, Katahira, Sendai, Japan

^c Departamento de Química y Física-CIESOL, Universidad de Almería, Ctra. Sacramento s/n, Almería, Spain

^d National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, USA

Abstract

The replacement of pyridine by 1-methyl-imidazol in the arms of a N₆-tripodal ligand allows preparing two new Co^II 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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Article information

DOI: https://doi.org/10.1039/D2CC06012D
Article type: Communication
Submitted: 06 Nov 2022
Accepted: 22 Dec 2022
First published: 23 Dec 2022
This article is Open Access

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Chem. Commun., 2023,59, 952-955

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

A. Landart-Gereka, M. M. Quesada-Moreno, M. A. Palacios, I. F. Díaz-Ortega, H. Nojiri, M. Ozerov, J. Krzystek and E. Colacio, Chem. Commun., 2023, 59, 952 DOI: 10.1039/D2CC06012D

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