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Gektin, A.V.; Shiran, N.V.; Neicheva, S.V.; Weber, M.J.; Derenzo, S.E.; Moses, W.W., E-mail: gektin@isc.kharkov.com2003
AbstractAbstract
[en] Time-resolved X-ray excited luminescence, induced absorption and thermostimulated luminescence in pure and Ce-doped LiCaAlF6 crystals have been investigated. It was found that the Ce-doped samples have a fast rise time and a 25 ns decay time following pulsed photoexcitation and a 6 ns rise time and a 50 ns decay time following pulsed X-ray excitation. This may be connected with the transport and sequential capture of charge carriers at or near the Ce3+ ion. The overlapping self-trapped exciton emission (280 nm) and Ce3+ ion absorption (270 nm) bands also makes excitonic energy transfer possible. Shallow and deep traps were found in the LiCaAlF6:Ce3+ crystals
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Source
2002 international conference on luminescence and optical spectroscopy of condensed matter; Budapest (Hungary); 24-29 Aug 2002; S0022231302005999; Copyright (c) 2002 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
Record Type
Journal Article
Literature Type
Conference
Journal
Country of publication
ALKALI METAL COMPOUNDS, ALKALINE EARTH METAL COMPOUNDS, ALUMINIUM COMPOUNDS, CHARGED PARTICLES, ELECTROMAGNETIC RADIATION, EMISSION, ENERGY-LEVEL TRANSITIONS, FLUORIDES, FLUORINE COMPOUNDS, HALIDES, HALOGEN COMPOUNDS, IONIZING RADIATIONS, IONS, LUMINESCENCE, PHOTON EMISSION, QUASI PARTICLES, RADIATION TRANSPORT, RADIATIONS, RESOLUTION, TIMING PROPERTIES
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