About: Performance of YAG:Ce Scintillators for Low-Energy Electron Detectors in S(T)EM

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Cerium activated single crystals of yttrium aluminium garnet (YAG:Ce) Y3-xCexAl5O12 are widely used as scintillators in electron detectors for S(T)EM. Nowadays, it is sometimes necessary to detect low-energy electrons without post-acceleration. In such cases, extremely sensitive detectors are required that are able to detect even electrons with energies of only hundreds of eV while avoiding charging of the scintillator surface. However, commonly used scintillators strongly lose their light yield with the decrease of the incident electron energy. Moreover, a thinner conductive layer on the scintillator surface has to be used to allow low-energy electrons to pass through. Possible charging of the surface negatively affects its cathodoluminescence (CL) light yield. The low-energy electron excitation takes place closer to the scintillator surface where damage can be expected owing to its preparation, which also reduces the CL light yield. The aim was to study the influence of the scintillator and its conductive layer on the low-energy electron detection efficiency. Cerium activated single crystals of yttrium aluminium garnet (YAG:Ce) Y3-xCexAl5O12 are widely used as scintillators in electron detectors for S(T)EM. Nowadays, it is sometimes necessary to detect low-energy electrons without post-acceleration. In such cases, extremely sensitive detectors are required that are able to detect even electrons with energies of only hundreds of eV while avoiding charging of the scintillator surface. However, commonly used scintillators strongly lose their light yield with the decrease of the incident electron energy. Moreover, a thinner conductive layer on the scintillator surface has to be used to allow low-energy electrons to pass through. Possible charging of the surface negatively affects its cathodoluminescence (CL) light yield. The low-energy electron excitation takes place closer to the scintillator surface where damage can be expected owing to its preparation, which also reduces the CL light yield. The aim was to study the influence of the scintillator and its conductive layer on the low-energy electron detection efficiency. (en)
Title	Performance of YAG:Ce Scintillators for Low-Energy Electron Detectors in S(T)EM Performance of YAG:Ce Scintillators for Low-Energy Electron Detectors in S(T)EM (en)
skos:prefLabel	Performance of YAG:Ce Scintillators for Low-Energy Electron Detectors in S(T)EM Performance of YAG:Ce Scintillators for Low-Energy Electron Detectors in S(T)EM (en)
skos:notation	RIV/68081731:_____/14:00434109!RIV15-TA0-68081731
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(EE.2.3.20.0103), P(TE01020118)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Lalinský, Ondřej Frank, Luděk Bok, Jan Schauer, Petr
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	Ústav přístrojové techniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	36175
http://linked.open...ai/riv/idVysledku	RIV/68081731:_____/14:00434109
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	scintillator; YAG:Ce; single crystal; electron detector; SEM; STEM; low-energy electron; cathodoluminescence (en)
http://linked.open.../riv/klicoveSlovo	low-energy electron SEM STEM electron detector cathodoluminescence scintillator single crystal YAG:Ce
http://linked.open...ontrolniKodProRIV	[753B33D2AEC4]
http://linked.open...v/mistoKonaniAkce	Praha
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	18th International Microscopy Congres. Proceedings
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Support for human resources and transfer of knowledge in conditions of international cooperation of research teams Electron microscopy
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Frank, Luděk Bok, Jan Schauer, Petr Lalinský, Ondřej
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-09-07 (xsd:date)
number of pages	2 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Czechoslovak Microscopy Society
https://schema.org/isbn	978-80-260-6720-7

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