Rotational barrier height for diatomic molecular impurities in alkali halides |
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| Authors: | Mete Indere K-L Jüngst |
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| Institution: | Fachbereich Physik, Universität Konstanz, Postfach 7733, D-7750 Konstanz, Germany |
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| Abstract: | A general expression for the coupling constants according to Devonshire's model for the hindered rotation of diatomic molecules in cubic crystals is derived. The treatment is confined to alkali halides with polarizable point ions. The results are applied to the librational modes of OH? and OD? impurities in KCl-, KBr- and KI-lattices. |
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