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Issue 8, 2013
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Switching the anisotropy barrier of a single-ion magnet by symmetry change from quasi-D5h to quasi-Oh

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Abstract

A reversible single-crystal-to-single-crystal transformation is used to dramatically change the relaxation behavior of a single-ion magnet. The coordination geometry of the DyIII site of a [Zn–Dy–Zn] complex changes from pentagonal–bipyramid (quasi-D5h) to octahedron (quasi-Oh), inducing an energy barrier change from 305 cm−1 (439 K) to a negligible value, respectively. Ab initio calculations reveal that the ideal D5h–DyIII is of perfect axiality with a substantial energy barrier in accordance with the experimental result.

Graphical abstract: Switching the anisotropy barrier of a single-ion magnet by symmetry change from quasi-D5h to quasi-Oh

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Publication details

The article was received on 28 Mar 2013, accepted on 09 Jun 2013 and first published on 10 Jun 2013


Article type: Edge Article
DOI: 10.1039/C3SC50843A
Citation: Chem. Sci., 2013,4, 3310-3316
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    Switching the anisotropy barrier of a single-ion magnet by symmetry change from quasi-D5h to quasi-Oh

    J. Liu, Y. Chen, Y. Zheng, W. Lin, L. Ungur, W. Wernsdorfer, L. F. Chibotaru and M. Tong, Chem. Sci., 2013, 4, 3310
    DOI: 10.1039/C3SC50843A

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