The multiple core–shell structure in Cu24Ln6 cluster with magnetocaloric effect and slow magnetization relaxation

Gang Xiong; Hang Xu; Jian-Zhong Cui; Qing-Lun Wang; Bin Zhao

doi:10.1039/C3DT53251H

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The multiple core–shell structure in Cu₂₄Ln₆ cluster with magnetocaloric effect and slow magnetization relaxation†

Gang Xiong,^ab Hang Xu,^b Jian-Zhong Cui,*^a Qing-Lun Wang^b and Bin Zhao*^b

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* Corresponding authors

^a Department of Chemistry, Tianjin University, Tianjin, China
E-mail: cuijianzhong@tju.edu.cn

^b Department of Chemistry, Key Laboratory of Advanced Energy Material Chemistry, MOE, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China
E-mail: zhaobin@nankai.edu.cn

Abstract

Triple core–shell structures in the Cu₂₄Gd₆ and Cu₂₄Dy₆ clusters were first observed and structurally characterized. The magnetic investigations reveal that Cu₂₄Gd₆ possesses the significant magnetic entropy change (−ΔS_m) of 21.2 J kg⁻¹ K⁻¹ for ΔH = 7 T, and a slow magnetization relaxation is observed in Cu₂₄Dy₆.

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Article information

DOI: https://doi.org/10.1039/C3DT53251H
Article type: Communication
Submitted: 18 Nov 2013
Accepted: 16 Jan 2014
First published: 20 Jan 2014

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Dalton Trans., 2014,43, 5639-5642

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The multiple core–shell structure in Cu₂₄Ln₆ cluster with magnetocaloric effect and slow magnetization relaxation

G. Xiong, H. Xu, J. Cui, Q. Wang and B. Zhao, Dalton Trans., 2014, 43, 5639 DOI: 10.1039/C3DT53251H

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Dalton Transactions