About: Polarization Study of Defect Structure of CdTe

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://ieeexplore.ieee.org/xpl/tocresult.jsp?asf_arn=null&asf_iid=0&asf_pun=23&asf_in=6&asf_rpp=null&asf_iv=58&asf_sp=3172&asf_pn=1
Description	Polarization of CdTe radiation detectors in the dark was studied theoretically by taking into account a wide set of detector characteristics relevant to the polarization. Drift-diffusion and Poisson equations were solved numerically in one dimension in time-resolved regime, where the characteristic time is determined by the charging of detector bulk. Shockley-Read-Hall model describes the trapping/detrapping of free carriers. Both diode-like (In,Al)/CdTe/Pt and symmetrical (In,Al,Pt)/CdTe/(In,Al,Pt) detectors were considered. We showed how the space charge is formed in time after detector biasing and a dead layer appears in the detector when the accumulated charge screens the bias. Numerical results were compared with the Conventional model of charge accumulation. The influence of temperature on polarization was analyzed and the polarization is correlated with current transient. The approach can be conveniently used to find principal properties of trap levels and contacts in semiconductor radiation detectors. Polarization of CdTe radiation detectors in the dark was studied theoretically by taking into account a wide set of detector characteristics relevant to the polarization. Drift-diffusion and Poisson equations were solved numerically in one dimension in time-resolved regime, where the characteristic time is determined by the charging of detector bulk. Shockley-Read-Hall model describes the trapping/detrapping of free carriers. Both diode-like (In,Al)/CdTe/Pt and symmetrical (In,Al,Pt)/CdTe/(In,Al,Pt) detectors were considered. We showed how the space charge is formed in time after detector biasing and a dead layer appears in the detector when the accumulated charge screens the bias. Numerical results were compared with the Conventional model of charge accumulation. The influence of temperature on polarization was analyzed and the polarization is correlated with current transient. The approach can be conveniently used to find principal properties of trap levels and contacts in semiconductor radiation detectors. (en)
Title	Polarization Study of Defect Structure of CdTe Polarization Study of Defect Structure of CdTe (en)
skos:prefLabel	Polarization Study of Defect Structure of CdTe Polarization Study of Defect Structure of CdTe (en)
skos:notation	RIV/00216208:11320/11:10105670!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	6
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Grill, Roman Belas, Eduard Höschl, Pavel Moravec, Pavel Franc, Jan Uxa, Štěpán Bugár, Marek
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	221065
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/11:10105670
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Radiation detectors; Polarization; Defect structure; CdTe (en)
http://linked.open.../riv/klicoveSlovo	CdTe Polarization Defect structure Radiation detectors
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[6505B09403C0]
http://linked.open...i/riv/nazevZdroje	IEEE Transactions on Nuclear Science
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	7 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (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	58
http://linked.open...iv/tvurceVysledku	Belas, Eduard Franc, Jan Grill, Roman Höschl, Pavel Moravec, Pavel Uxa, Štěpán Bugár, Marek
http://linked.open...ain/vavai/riv/wos	000301285700004
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies
issn	0018-9499
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1109/TNS.2011.2165730
http://localhost/t...ganizacniJednotka	11320

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