An unsymmetrical coordination environment leading to two slow relaxation modes in a Dy2 single-molecule magnet

Po-Heng Lin; Wen-Bin Sun; Mang-Fei Yu; Guang-Ming Li; Peng-Fei Yan; Muralee Murugesu

doi:10.1039/C1CC14223B

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An unsymmetrical coordination environment leading to two slow relaxation modes in a Dy₂ single-molecule magnet†

Po-Heng Lin,^a Wen-Bin Sun,*^b Mang-Fei Yu,^b Guang-Ming Li,^b Peng-Fei Yan*^b and Muralee Murugesu*^a

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* Corresponding authors

^a Department of Chemistry and Centre for Catalysis Research and Innovation, University of Ottawa, 10 Marie-Curie, Ottawa, ON, Canada
E-mail: m.murugesu@uottawa.ca
Tel: +1 613 562 5800-2733

^b Key Laboratory of Functional Inorganic Material Chemistry, Heilongjiang University, Ministry of Education, No. 74, Xuefu Road, Nangang District, Harbin 150080, P.R. China
E-mail: wenbinsun@yahoo.cn, yanpf@vip.sina.com
Tel: +86-451-86608042

Abstract

A Dy₂ single-molecule magnet was isolated using a mixed ligand strategy in which the Dy^III ions adopt distinct coordination environments. This leads to two unique relaxation modes due to a single-ion type relaxation mechanism. Energy barriers were obtained from individually fitting the overlapping peaks.

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Article information

DOI: https://doi.org/10.1039/C1CC14223B
Article type: Communication
Submitted: 13 Jul 2011
Accepted: 24 Aug 2011
First published: 12 Sep 2011

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Chem. Commun., 2011,47, 10993-10995

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An unsymmetrical coordination environment leading to two slow relaxation modes in a Dy₂ single-molecule magnet

P. Lin, W. Sun, M. Yu, G. Li, P. Yan and M. Murugesu, Chem. Commun., 2011, 47, 10993 DOI: 10.1039/C1CC14223B

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