Spectroscopy of Solid-State Laser-Type Materials

pp 223-266

Spectroscopy of Post-Transition Metal Ions

  • G. BoulonAffiliated withLaboratoire de Physico-Chimie des Matériaux Luminescents, Université Claude Bernard LYON-Unité Associée au CNRS

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We present a review of the spectroscopy of post-transition metal ions. We have illustrated it with some examples: the s2 ground state configuration ions (T1+, In+, Ga+) doped the alkali halide hosts orBi3+ ions doped crystals or the d10 ground state configuration ions (Cu+). These kinds of systems have been chosen because they give rise to reference works with the Jahn-Teller effect in the excited states and because a lot of data are examined to get a better knowledge of the kinetic of their fluorescence. With Bi3+ ions there are also some strange variations of the luminescence properties not yet very well understood and it is worthwhile to give a synthesis of the main results. We will show how important is the role played by the metastable level 3Alu (3Po) for T1+- like ions or T1g for Cu+-like ions. Particular attention will be devoted to certain application such as the scintillator Bi4Ge3O12 and to the development of solid-state lasers.