A molecular magnet comprising cobalt(II) ions and nitronyl-nitroxide radicals has a large coercivity at low temperature that makes it comparable to the hardest commercial alloy-based magnets. The one-dimensional character of the material, with very strong and anisotropic exchange interactions along the chains, seems responsible for the dramatic slowing of the magnetization dynamics.
Record hard magnets: Glauber dynamics are keyAuthor(s): Source: ANGEWANDTE CHEMIE-INTERNATIONAL EDITION Volume: 47 Issue: 30 Pages: 5508-5510 Published: 2008 / Sessoli R. - In: ANGEWANDTE CHEMIE. INTERNATIONAL EDITION. - ISSN 1433-7851. - STAMPA. - 47:(2008), pp. 5508-5510. [10.1002/anie.200801549]
Record hard magnets: Glauber dynamics are keyAuthor(s): Source: ANGEWANDTE CHEMIE-INTERNATIONAL EDITION Volume: 47 Issue: 30 Pages: 5508-5510 Published: 2008
SESSOLI, ROBERTA
2008
Abstract
A molecular magnet comprising cobalt(II) ions and nitronyl-nitroxide radicals has a large coercivity at low temperature that makes it comparable to the hardest commercial alloy-based magnets. The one-dimensional character of the material, with very strong and anisotropic exchange interactions along the chains, seems responsible for the dramatic slowing of the magnetization dynamics.
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