Issue 39, 2021

A new family of boat-shaped Ln8 clusters exhibiting the magnetocaloric effect and slow magnetic relaxation

Abstract

Designing and synthesizing lanthanide clusters have always been a research hotspot. Herein, three lanthanide clusters with the formula [Ln8(IN)143-OH)82-OH)2(H2O)8xH2O (Ln = 1-Gd and x = 11; Ln = 2-Dy and x = 8; Ln = 3-Eu and x = 8) have been isolated in the presence of isonicotinic acid under solvothermal conditions. Structural analysis indicates that those three compounds are isostructural, featuring boat-shaped {Ln8} metal frameworks. Magnetic measurements reveal that 1-Gd exhibits a larger MCE with the maximum −ΔSm value of 31.77 J kg−1 K−1 at 2 K for ΔH = 7 T, while 2-Dy displays slow magnetization relaxation. Besides, the photoluminescence properties of 3-Eu were investigated.

Graphical abstract: A new family of boat-shaped Ln8 clusters exhibiting the magnetocaloric effect and slow magnetic relaxation

Supplementary files

Article information

Article type
Paper
Submitted
19 Jul 2021
Accepted
23 Aug 2021
First published
24 Aug 2021

Dalton Trans., 2021,50, 13925-13931

A new family of boat-shaped Ln8 clusters exhibiting the magnetocaloric effect and slow magnetic relaxation

J. Li, N. Li, J. Wang, X. Liu, Q. Ping, T. Zang, H. Mei and Y. Xu, Dalton Trans., 2021, 50, 13925 DOI: 10.1039/D1DT02390J

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