About: Silicon sensors with pyramidal structures for neutron imaging

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://iopscience.iop.org/1748-0221/9/04/C04011
Description	Neutron detection is a valuable tool in nuclear science research, homeland security, quality assurance in nuclear plants and medical applications. Recent developments and near future instrumentations in neutron imaging have a need for sensors with high spatial resolution, dynamic range, sensitivity and background discrimination. Silicon based neutron detectors can potentially fulfil these requirements. In this work, pad and pixel detectors with pyramidal micro-structures have been successfully fabricated that should have an improved detection efficiency when compared to conventional planar devices. Titanium di-boride (TiB<sub>2</sub>) and lithium fluoride (LiF) were deposited as the neutron converters. Excellent electrical performances were measured on both simple pad and pixel detectors. A selection of pad detectors was examined by alpha spectroscopy. Measurement with thermal neutrons from a <sup>241</sup>Am-Be source shows an improvement in relative efficiency of up to 38% when compared to conventional planar devices. Neutron detection is a valuable tool in nuclear science research, homeland security, quality assurance in nuclear plants and medical applications. Recent developments and near future instrumentations in neutron imaging have a need for sensors with high spatial resolution, dynamic range, sensitivity and background discrimination. Silicon based neutron detectors can potentially fulfil these requirements. In this work, pad and pixel detectors with pyramidal micro-structures have been successfully fabricated that should have an improved detection efficiency when compared to conventional planar devices. Titanium di-boride (TiB<sub>2</sub>) and lithium fluoride (LiF) were deposited as the neutron converters. Excellent electrical performances were measured on both simple pad and pixel detectors. A selection of pad detectors was examined by alpha spectroscopy. Measurement with thermal neutrons from a <sup>241</sup>Am-Be source shows an improvement in relative efficiency of up to 38% when compared to conventional planar devices. (en)
Title	Silicon sensors with pyramidal structures for neutron imaging Silicon sensors with pyramidal structures for neutron imaging (en)
skos:prefLabel	Silicon sensors with pyramidal structures for neutron imaging Silicon sensors with pyramidal structures for neutron imaging (en)
skos:notation	RIV/68407700:21670/14:00225591!RIV15-MSM-21670___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(LG13031)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Slavíček, Tomáš Vykydal, Zdeněk Pospíšil, Stanislav Petersson, Carl Sture
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 / Ústav technické a experimentální fyziky ČVUT
http://linked.open...dnocenehoVysledku	44847
http://linked.open...ai/riv/idVysledku	RIV/68407700:21670/14:00225591
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	neutron radiography; X-ray detectors; silicon microstrip and pad detectors; solid state detectors; detection efficiency; neutron converter (en)
http://linked.open.../riv/klicoveSlovo	neutron converter neutron radiography silicon microstrip and pad detectors X-ray detectors detection efficiency solid state detectors
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[8BC98BEF2E03]
http://linked.open...i/riv/nazevZdroje	Journal of Instrumentation
http://linked.open...in/vavai/riv/obor	JB
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...vavai/riv/projekt	Collaboration of the Czech Republic with CERN
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	9
http://linked.open...iv/tvurceVysledku	Kohout, Zdeněk Petersson, Carl Sture Pospíšil, Stanislav Slavíček, Tomáš Vykydal, Zdeněk Thungström, G. Hansen, T.-E. Kok, A. Rokne, J. Soligard, S.
http://linked.open...ain/vavai/riv/wos	000336123800011
issn	1748-0221
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/1748-0221/9/04/C04011
http://localhost/t...ganizacniJednotka	21670

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