A criterion for the anisotropy barrier in single-molecule magnets |
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| Authors: | Waldmann Oliver |
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| Affiliation: | Department of Chemistry and Biochemistry, University of Bern, CH-3012 Bern, Switzerland. oliver.waldmann@physik.uni-freiburg.de |
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| Abstract: | A criterion for the height of the anisotropy barrier Delta=|D|S2 in single-molecule magnets, and therefore the blocking temperature TB proportional to Delta, is presented. In particular, it is found that the anisotropy barrier does not increase with S as S2 but as S0. Consequences concerning the strategies to enhance Delta or TB, respectively, are discussed. |
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