S mixing and quantum tunneling of the magnetization in molecular nanomagnets |
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| Authors: | Carretta S Liviotti E Magnani N Santini P Amoretti G |
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| Institution: | Istituto Nazionale per la Fisica della Materia, Dipartimento di Fisica, Università di Parma, I-43100 Parma, Italy. |
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| Abstract: | The role of S mixing in the quantum tunneling of the magnetization in nanomagnets has been investigated. We show that the effect on the tunneling frequency is huge and that the discrepancy (more than 3 orders of magnitude in the tunneling frequency) between spectroscopic and relaxation measurements in Fe(8) can be resolved if S mixing is taken into account. |
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