Journal
JOURNAL OF LUMINESCENCE
Volume 87-9, Issue -, Pages 1217-1219Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0022-2313(99)00520-7
Keywords
SrTiO3; quantum paraelectricity; non-exponential decay
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The absorption and luminescence measurements of SrTiO3 are made between room temperature and 10 K. From the absorption spectra, it is shown that this material has an indirect band gap energy of 3.16 eV at 10 K. No exciton absorption is observed. The luminescence spectra indicate the existence of STE. A time-resolved luminescence measurements revealed that localizing of electrons and holes plays an important role in the kinetics of photo-excited states. (C) 2000 Elsevier Science B.V. All rights reserved.
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