Monovalent Mercury‐Like Ion Dimer Centres in Alkali Halide Crystals
- 1 August 1975
- journal article
- research article
- Published by Wiley in Physica Status Solidi (b)
- Vol. 70 (2), 749-758
- https://doi.org/10.1002/pssb.2220700235
Abstract
Polarized luminescence of (Ga+)2, (In+)2 and (Tl+)2 centres in KCl crystals is investigated experimentally. In the series of KCl, KBr, and KI crystals the (Tl+)2 centres are studied in order to clear up the influence of the anions on the (A+)2 centre properties. The quasimolecules [Tl2X10]8‐ and [T12X11]9‐, where X are Cl− or I− ions, with the symmetry D2h and D4h, respectively, were theoretically considered by a MO method. An attempt is made to prove the model of the (A+)2 centres basing on a comparison of the results of the experimental and theoretical investigations.Keywords
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