Slow Relaxation of the Magnetization in Anilato-Based Dy(III) 2D Lattices

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2021 Mar 6

PMID 33672166

Citations 4

Authors

Samia Benmansour

Antonio Hernandez-Paredes

Maria Bayona-Andres

Carlos J Gomez-Garcia

Affiliations

Soon will be listed here.

Abstract

The search for two- and three-dimensional materials with slow relaxation of the magnetization (single-ion magnets, SIM and single-molecule magnets, SMM) has become a very active area in recent years. Here we show how it is possible to prepare two-dimensional SIMs by combining Dy(III) with two different anilato-type ligands (dianions of the 3,6-disubstituted-2,5-dihydroxy-1,4-benzoquinone: COX, with X = H and Cl) in dimethyl sulfoxide (dmso). The two compounds prepared, formulated as: [Dy(COH)(dmso)(HO)]·2dmso·18HO () and [Dy(COCl)(dmso)]·2dmso·2HO () show distorted hexagonal honeycomb layers with the solvent molecules (dmso and HO) located in the interlayer space and in the hexagonal channels that run perpendicular to the layers. The magnetic measurements of compounds , and [Dy(CO(CN)Cl)(dmso)] (), a recently reported related compound, show that the three compounds present slow relaxation of the magnetization. In compound the SIM behaviour does not need the application of a DC field whereas and are field-induced SIM (FI-SIM) since they show slow relaxation of the magnetization when a DC field is applied. We discuss the differences observed in the crystal structures and magnetic properties based on the X group of the anilato ligands (H, Cl and Cl/CN) in - and in the recently reported derivative [Dy(COBr)(dmso)]·2dmso·2HO () with X = Br, that is also a FI-SIM.

Citing Articles

A Luminescent Proton Conductor Based on Dy SMM.

Lu Y, Lei Y, Cheng D, Long L, He X, Liu C Molecules. 2025; 30(5).

PMID: 40076310 PMC: 11901984. DOI: 10.3390/molecules30051086.

Tunable SIM properties in a family of 3D anilato-based lanthanide-MOFs.

Monni N, Dey S, Garcia-Lopez V, Oggianu M, Baldovi J, Mercuri M Inorg Chem Front. 2024; 11(18):5913-5923.

PMID: 39263226 PMC: 11385371. DOI: 10.1039/d4qi01549e.

A Pair of Multifunctional Cu(II)-Dy(III) Enantiomers with Zero-Field Single-Molecule Magnet Behaviors, Proton Conduction Properties and Magneto-Optical Faraday Effects.

Zhu S, Zhou Y, Liu F, Lei Y, Liu S, Wen H Molecules. 2023; 28(22).

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The Versatility of Ethylene Glycol to Tune the Dimensionality and Magnetic Properties in Dy-Anilato-Based Single-Ion Magnets.

Benmansour S, Pintado-Zaldo C, Martinez-Ponce J, Hernandez-Paredes A, Valero-Martinez A, Gomez-Benmansour M Cryst Growth Des. 2023; 23(2):1269-1280.

PMID: 37529082 PMC: 10389752. DOI: 10.1021/acs.cgd.2c01409.

Reversible tuning of luminescence and magnetism in a structurally flexible erbium-anilato MOF.

Monni N, Baldovi J, Garcia-Lopez V, Oggianu M, Cadoni E, Quochi F Chem Sci. 2022; 13(25):7419-7428.

PMID: 35872828 PMC: 9242018. DOI: 10.1039/d2sc00769j.

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