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The anisotropy of the spin—lattice relaxation in the lowest triplet state of naphthalene in durene in the presence of a magnetic field |
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| Authors: | P. J. F. Verbeek H. J. Den Blanken J. Schmidt |
| Affiliation: | Center for the Study of the Excited States of Molecules, Huygens Laboratorium, Leyden, The Netherlands |
| Abstract: | We have measured the spin—lattice relaxation rates in the phosphorescent triplet state To of naphthalene in durene as a function of the direction of the magnetic field. The orientational dependence of the relaxation is explained by thermal activation to a close lying local phonon state where the spin axes are rotated with respect to those in To. |
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