About: Factors limiting lifetime of charge carriers in semi-insulated CdTe under high radiation flux

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	With the growing interest in CdTe detectors operating at high fluxes of X-ray photons the questions arises, whether the lifetime of charge carriers is limited by trapping and recombination at deep levels or by band-to-band recombination due to a strongly elevated concentrations of free electrons and holes compared to detectors working at low fluxes. A set of numerical simulations was done to resolve this question. The approach is based on the self-consistent steady state solution of electron and hole drift-diffusion equations using an iterative method. The effect of space charge on the electric field distribution and carrier transport through the sample is evaluated by solving the Poisson equation. The material simulation parameters were chosen to describe typical situations in state-of-the highly compensated semi-insulated CdTe and CdZnTe with deep near-midgap levels with concentrations in the range of 1011-1012 cmÿ3. With the growing interest in CdTe detectors operating at high fluxes of X-ray photons the questions arises, whether the lifetime of charge carriers is limited by trapping and recombination at deep levels or by band-to-band recombination due to a strongly elevated concentrations of free electrons and holes compared to detectors working at low fluxes. A set of numerical simulations was done to resolve this question. The approach is based on the self-consistent steady state solution of electron and hole drift-diffusion equations using an iterative method. The effect of space charge on the electric field distribution and carrier transport through the sample is evaluated by solving the Poisson equation. The material simulation parameters were chosen to describe typical situations in state-of-the highly compensated semi-insulated CdTe and CdZnTe with deep near-midgap levels with concentrations in the range of 1011-1012 cmÿ3. (en)
Title	Factors limiting lifetime of charge carriers in semi-insulated CdTe under high radiation flux Factors limiting lifetime of charge carriers in semi-insulated CdTe under high radiation flux (en)
skos:prefLabel	Factors limiting lifetime of charge carriers in semi-insulated CdTe under high radiation flux Factors limiting lifetime of charge carriers in semi-insulated CdTe under high radiation flux (en)
skos:notation	RIV/00216208:11320/11:10101026!RIV12-GA0-11320___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GAP102/10/0148), S, Z(MSM0021620834)
http://linked.open...iv/cisloPeriodika	duben
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Grill, Roman Belas, Eduard Höschl, Pavel Franc, Jan Dědič, Václav Kubát, Jan
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	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	199210
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/11:10101026
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	recombination; high flux; CdTe; semi-insulated (en)
http://linked.open.../riv/klicoveSlovo	high flux CdTe recombination semi-insulated
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[01A401E29E13]
http://linked.open...i/riv/nazevZdroje	Nuclear Instruments & Methods in Physics Research - Section A
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Influence of Te inclusions on performance of CdTe and CdZnTe radiation detectors
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	633
http://linked.open...iv/tvurceVysledku	Belas, Eduard Franc, Jan Grill, Roman Höschl, Pavel Dědič, Václav Kubát, Jan
http://linked.open...ain/vavai/riv/wos	000292782400029
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies
issn	0168-9002
number of pages	2 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.nima.2010.06.134
http://localhost/t...ganizacniJednotka	11320

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