Characteristics of the Thallous Dimer Center in Sodium Iodide
- 15 April 1968
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 168 (3), 1000-1007
- https://doi.org/10.1103/physrev.168.1000
Abstract
An investigation of some of the characteristics of the thallous double center (dimer) in NaI: Tl was carried out over the temperature range 15 to 300°K and for thallium concentrations of 0.08 to 1.01 mole% Tl. A measurement of the lifetime of the dimer excited state resulted in a value of 7 nsec as an upper limit. The decay time is independent of temperature and thallium concentration for the ranges investigated. A symmetry determination yielded as the dimer center a cube-edge direction. The radiation model of the dimer center is discussed.
Keywords
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