About: Quantum tunneling and low temperature delayed recombination in scintillating materials

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	One of the most important properties of scintillation detectors is their response time. Besides the prompt deexcitation of the luminescence center, there is also deexcitation delayed by thermal ionization of excited electrons and their temporal capture in traps in the band gap of the host material. Moreover, an experiment shows that delayed recombination has a temperature–independent component, which cannot be explained by thermal ionization. It could be a consequence of quantum tunneling between the luminescence center and a nearby trap. A simple 1D model of suggested quantum tunneling process with realistic input parameters provides a few-orders of magnitude delay of luminescence, such as observed in the experiment. This fact confirms the hypothesis on the origin of the temperature–independent component of delayed recombination due to quantum tunneling. One of the most important properties of scintillation detectors is their response time. Besides the prompt deexcitation of the luminescence center, there is also deexcitation delayed by thermal ionization of excited electrons and their temporal capture in traps in the band gap of the host material. Moreover, an experiment shows that delayed recombination has a temperature–independent component, which cannot be explained by thermal ionization. It could be a consequence of quantum tunneling between the luminescence center and a nearby trap. A simple 1D model of suggested quantum tunneling process with realistic input parameters provides a few-orders of magnitude delay of luminescence, such as observed in the experiment. This fact confirms the hypothesis on the origin of the temperature–independent component of delayed recombination due to quantum tunneling. (en)
Title	Quantum tunneling and low temperature delayed recombination in scintillating materials Quantum tunneling and low temperature delayed recombination in scintillating materials (en)
skos:prefLabel	Quantum tunneling and low temperature delayed recombination in scintillating materials Quantum tunneling and low temperature delayed recombination in scintillating materials (en)
skos:notation	RIV/68407700:21340/13:00211886!RIV14-MSM-21340___
http://linked.open...avai/riv/aktivita	I S
http://linked.open...avai/riv/aktivity	I, S
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Dočekalová, Zuzana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	101236
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/13:00211886
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	scintillator; luminescence; oxide-based materials; quantum tunneling (en)
http://linked.open.../riv/klicoveSlovo	oxide-based materials quantum tunneling luminescence scintillator
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[B006CEBC66DF]
http://linked.open...i/riv/nazevZdroje	Chemical Physics Letters
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	578
http://linked.open...iv/tvurceVysledku	Jarý, V. Dočekalová, Zuzana Nikl, M. Schulman, L. S. Mihóková, E.
http://linked.open...ain/vavai/riv/wos	000321560000011
issn	0009-2614
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.cplett.2013.05.070
http://localhost/t...ganizacniJednotka	21340

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