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Wiley, Angewandte Chemie International Edition, 46(52), p. 12014-12019, 2013

DOI: 10.1002/anie.201306329

Wiley, Angewandte Chemie, 46(125), p. 12236-12241

DOI: 10.1002/ange.201306329

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A {CrIII2DyIII2} Single-Molecule Magnet: Enhancing the Blocking Temperature through 3d Magnetic Exchange

Journal article published in 2013 by Stuart K. Langley, Daniel P. Wielechowski, Veacheslav Vieru, Nicholas F. Chilton, Boujemaa Moubaraki, Brendan F. Abrahams ORCID, Liviu F. Chibotaru ORCID, Keith S. Murray
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Butterfly magnet: The replacement of diamagnetic Co(III) for Cr(III) in a 3d-4f butterfly complex results in vastly improved single-molecule magnet properties. Longer relaxation times are found, with magnetic hysteresis observed. This is due to exchange interactions between the Dy(III) and Cr(III) ions, resulting in a multilevel exchange barrier with significantly reduced quantum tunneling of the magnetization.