Tl0, Ga0, and In0 Centres in KCl Crystals
- 1 March 1973
- journal article
- research article
- Published by Wiley in Physica Status Solidi (b)
- Vol. 56 (1) , 375-381
- https://doi.org/10.1002/pssb.2220560138
Abstract
Absorption bands of In0 and Ga0 centres are observed in KCl : In and KCI : Ga which are related, by analogy with the corresponding bands of Tl0 centres in KCI: Tl, to the electronic transitions 62P1/2 → 72S1/2 (the 1.80 eV band in KC1:In and 1.95 eV band in KC1:Ga) and 62P1/2 → 6 2P3/2 (the 0.75 eV band in KCl: In) in free In and Ga atoms. The luminescence of Tl0 and In0 centres at about 0.82 and 0.70 eV, respectively which may be excited in the absorption bands of Tl0 and In0 centres, as well as in the F band, is found and investigated. Luminescence of {In0 + Vk} pairs is detected in KCl: In and is analogous to that observed earlier in KCl: Tl.Keywords
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