The origin of the second relaxation process in the [Mn12O12(O2CR)16(H2O)4] single-molecule magnets: ‘Jahn–Teller isomerism’ in the [Mn12O12] core

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Ziming Sun, Daniel Ruiz, David N. Hendrickson, Neil R. Dilley, M. Brian Maple, Mönica Soler, Kirsten Folting, George Christou and Joan Ribas


Abstract

The origin of the second, faster relaxation process in Mn12 molecules has been identified as a different relative orientation of the Jahn–Teller elongation axes of the MnIII ions, which we have termed ‘Jahn–Teller isomerism’.


References

  1. (a) R. Sessoli, H.-L. Tsai, A. R. Schake, S. Wang, J. B. Vincent, K. Folting, D. Gatteschi, G. Christou and D. N. Hendrickson, J. Am. Chem. Soc., 1993, 115, 1804 CrossRef CAS; (b) R. Sessoli, D. Gatteschi, A. Caneschi and M. A. Novak, Nature, 1993, 365, 141 CrossRef CAS.
  2. G. Aromi, S. M. J. Aubin, M. A. Bolcar, G. Christou, H. J. Eppley, K. Folting, D. N. Hendrickson, J. C. Huffman, R. C. Squire, H.-L. Tsai, S. Wang and M. W. Wemple, Polyhedron, 1998, 17, 3005 CrossRef CAS.
  3. S. M. J. Aubin, N. R. Dilley, L. Pardi, J. Drzystek, M. W. Wemple, L.-C. Brunel, M. B. Maple, G. Christou and D. N. Hendrickson, J. Am. Chem. Soc., 1998, 120, 4991 CrossRef CAS.
  4. J. R. Friedman, M. P. Sarachik, J. Tejada, J. Maciejewski and R. Ziolo, J. Appl. Phys., 1996, 79, 6031 CrossRef CAS; J. R. Friedman, M. P. Sarachik, J. Tejada and R. Ziolo, Phys. Rev. Lett., 1996, 76, 3830 CrossRef CAS.
  5. L. Thomas, F. Lionti, R. Ballou, D. Gatteschi, R. Sessoli and B. Barbara, Nature, 1996, 383, 145 CrossRef CAS.
  6. J. Tejada, R. Ziolo and X. X. Zhang, Chem. Mater., 1996, 8, 1784 CrossRef CAS.
  7. (a) H. J. Eppley, H.-L. Tsai, N. de Vries, K. Folting, G. Christou and D. N. Hendrickson, J. Am. Chem. Soc., 1995, 117, 301 CrossRef CAS; (b) D. Ruiz, Z. Sun, B. Albela, K. Folting, J. Ribas, G. Christou and D. N. Hendrickson, Angew. Chem. Int. Ed., 1998, 37, 300 CrossRef CAS.
  8. (a) S. M. J. Aubin, Z. Sun, I. A. Guzei, A. L. Rheingold, G. Christou and D. N. Hendrickson, Chem. Commun., 1997, 2239 RSC; (b) Z. Sun, D. Ruiz, E. Rumberger, C. D. Incarvito, K. Folting, A. L. Rheingold, G. Christou and D. N. Hendrickson, Inorg. Chem., 1998, 37, 4758 CrossRef CAS.
  9. M. A. Novak and R. Sessoli in Quantum Tunneling of Magnetization-QTM '94, ed. L. Gunther and B. Barbara, Kluwer, Dordrecht, 1995, pp. 171–188 Search PubMed; M. A. Novak, R. Sessoli, A. Caneschi and D. Gatteschi, J. Magn. Magn. Mater., 1995, 146, 211 Search PubMed.
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