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Double Structure of A X and A T Emissions in Low‐Doped KI:TI + Crystals
Author(s) -
Benci S.,
Fermi F.,
Reverberi R.
Publication year - 1982
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221100230
Subject(s) - dimer , doping , center (category theory) , spectral line , excitation , emission spectrum , materials science , range (aeronautics) , analytical chemistry (journal) , crystallography , atomic physics , chemistry , physics , nuclear magnetic resonance , optoelectronics , quantum mechanics , astronomy , composite material , chromatography
The emission spectra of low‐doped crystals (up to 10 ppm) of KI:TI + (as‐received, quenched and slowly cooled from 500 °C) show the presence of a center, probably a dimer center, that absorbs at λ > 2900 Å at LNT and emits in the range of the A T and A X emissions of the monomer. The emissions of this center affect the emission spectra at T > LNT also for excitation at λ < 2900 Å.