About: Optimization of signal-to-noise ratio in CdTe radiation detectors

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper studies the effect of depleted region on noise characteristics of CdTe and on signal-to-noise ratio. Measurements showed that dominant type of nose for the studied CdTe samples is low frequency noise. Its analysis indicates that the experimental value of noise is always much higher than the theoretical value. The voltage noise spectral density of low frequency noise is directly proportional to the depleted region width. This excess noise level is caused by very low concentration of free carriers within the depleted region. Excess value of noise leads to deterioration of signal-to-noise ratio. One of the ways in optimizing signal-to-noise ratio is to decrease depleted region width. This can be done for example by appropriate choosing dopants which will adjust Fermi level of CdTe. This paper studies the effect of depleted region on noise characteristics of CdTe and on signal-to-noise ratio. Measurements showed that dominant type of nose for the studied CdTe samples is low frequency noise. Its analysis indicates that the experimental value of noise is always much higher than the theoretical value. The voltage noise spectral density of low frequency noise is directly proportional to the depleted region width. This excess noise level is caused by very low concentration of free carriers within the depleted region. Excess value of noise leads to deterioration of signal-to-noise ratio. One of the ways in optimizing signal-to-noise ratio is to decrease depleted region width. This can be done for example by appropriate choosing dopants which will adjust Fermi level of CdTe. (en)
Title	Optimization of signal-to-noise ratio in CdTe radiation detectors Optimization of signal-to-noise ratio in CdTe radiation detectors (en)
skos:prefLabel	Optimization of signal-to-noise ratio in CdTe radiation detectors Optimization of signal-to-noise ratio in CdTe radiation detectors (en)
skos:notation	RIV/00216305:26220/12:PU101450!RIV13-GA0-26220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GPP102/10/P589)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Grmela, Lubomír Šik, Ondřej
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta elektrotechniky a komunikačních technologií
http://linked.open...dnocenehoVysledku	156981
http://linked.open...ai/riv/idVysledku	RIV/00216305:26220/12:PU101450
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	low frequency noise, CdTe radiation detector, signal-to-noise ratio (en)
http://linked.open.../riv/klicoveSlovo	low frequency noise CdTe radiation detector signal-to-noise ratio
http://linked.open...ontrolniKodProRIV	[7052BE40476F]
http://linked.open...v/mistoKonaniAkce	Rio de Janeiro
http://linked.open...i/riv/mistoVydani	Rio de Janeiro, Brazil
http://linked.open...i/riv/nazevZdroje	ICNF2011: 2011 21st International Conference on Noise and Fluctuations
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Noise spectroscopy of CdTe X-ray and gamma-ray detectors
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Grmela, Lubomír Šik, Ondřej Andreev, Alexey
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2012-07-01 (xsd:date)
number of pages	3 (xsd:int)
http://purl.org/ne...btex#hasPublisher	IEEE
https://schema.org/isbn	978-1-4577-0191-7
http://localhost/t...ganizacniJednotka	26220

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