Rotating Magnetocaloric Effect in an Anisotropic Molecular Dimer
Dr. Giulia Lorusso
Instituto de Ciencia de Materiales de Aragón (ICMA), CSIC—, University of Zaragoza, 50009 Zaragoza, Spain
Search for more papers by this authorDr. Olivier Roubeau
Instituto de Ciencia de Materiales de Aragón (ICMA), CSIC—, University of Zaragoza, 50009 Zaragoza, Spain
Search for more papers by this authorCorresponding Author
Dr. Marco Evangelisti
Instituto de Ciencia de Materiales de Aragón (ICMA), CSIC—, University of Zaragoza, 50009 Zaragoza, Spain
Search for more papers by this authorDr. Giulia Lorusso
Instituto de Ciencia de Materiales de Aragón (ICMA), CSIC—, University of Zaragoza, 50009 Zaragoza, Spain
Search for more papers by this authorDr. Olivier Roubeau
Instituto de Ciencia de Materiales de Aragón (ICMA), CSIC—, University of Zaragoza, 50009 Zaragoza, Spain
Search for more papers by this authorCorresponding Author
Dr. Marco Evangelisti
Instituto de Ciencia de Materiales de Aragón (ICMA), CSIC—, University of Zaragoza, 50009 Zaragoza, Spain
Search for more papers by this authorAbstract
In contrast to the mainstream research on molecular refrigerants that seeks magnetically isotropic molecules, we show that the magnetic anisotropy of dysprosium acetate tetrahydrate, [{Dy(OAc)3(H2O)2}2]⋅4 H2O (1), can be efficiently used for cooling below liquid-helium temperature. This is attained by rotating aligned single-crystal samples in a constant applied magnetic field. The envisioned advantages are fast cooling cycles and potentially compact refrigerators.
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