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Description
  • Scintilátor je problematická část jakéhokoliv scintilačního detektoru pro S(T)EM. Důvodem je jeho doba doznívání a zejména jeho dosvit, které zhoršují schopnost přenášet obrazový kontrast. Jinými slovy, pomalý scintilátor je příčinou špatné funkce přenosu modulace (MTF) celého detektoru. Pokud je při použití takového scintilátoru přenášena série alternujících bílých a černých bodů, obraz je při použití typické frekvence pro S(T)EM poněkud poškozený. Pro zdokonalení MTF detektoru byla v naší laboratoři studována kinetika mnoha monokrystalických scintilátorů. Některé výsledky týkající se cerem aktivovaného ytrito-hlinitého granátu (YAG:Ce) a cerem aktivovaného ytrito-hlinitého perovskitu (YAP:Ce) jsou presentovány v této práci. (cs)
  • Scintillator is a problematic part of any scintillation detector for S(T)EM. The reason lies in its decay time and especially in its afterglow, which deteriorate the ability to transfer image contrast. In other words, a slow scintillator causes a bad modulation transfer function (MTF) of the whole detector. If a series of alternating white and black points is transferred using such a scintillator, the image is somewhat degraded at the typical S(T)EM spatial frequency. To enhance the MTF of the detector, the kinetics of the cathodoluminescence (CL) of many single crystal scintillators has been studied at our laboratory. Some results concerning single crystals of cerium-activated yttrium aluminum garnet (YAG:Ce) and cerium-activated yttrium aluminum perovskite (YAP:Ce) are presented in this paper.
  • Scintillator is a problematic part of any scintillation detector for S(T)EM. The reason lies in its decay time and especially in its afterglow, which deteriorate the ability to transfer image contrast. In other words, a slow scintillator causes a bad modulation transfer function (MTF) of the whole detector. If a series of alternating white and black points is transferred using such a scintillator, the image is somewhat degraded at the typical S(T)EM spatial frequency. To enhance the MTF of the detector, the kinetics of the cathodoluminescence (CL) of many single crystal scintillators has been studied at our laboratory. Some results concerning single crystals of cerium-activated yttrium aluminum garnet (YAG:Ce) and cerium-activated yttrium aluminum perovskite (YAP:Ce) are presented in this paper. (en)
Title
  • Enhancement of single crystal scintillators for scintillation detectors in S(T)EM
  • Enhancement of single crystal scintillators for scintillation detectors in S(T)EM (en)
  • Zdokonalení monokrystalických scintilátorů pro scintilační detektory v S(T)EM (cs)
skos:prefLabel
  • Enhancement of single crystal scintillators for scintillation detectors in S(T)EM
  • Enhancement of single crystal scintillators for scintillation detectors in S(T)EM (en)
  • Zdokonalení monokrystalických scintilátorů pro scintilační detektory v S(T)EM (cs)
skos:notation
  • RIV/68081731:_____/07:00092593!RIV08-GA0-68081731
http://linked.open.../vavai/riv/strany
  • 105;106
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA102/04/2144), Z(AV0Z20650511)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 420193
http://linked.open...ai/riv/idVysledku
  • RIV/68081731:_____/07:00092593
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • single crystal scintillators; scintillation detector; S(T)EM; MTF; kinetics of luminescence (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [11452622FBFE]
http://linked.open...v/mistoKonaniAkce
  • Prague
http://linked.open...i/riv/mistoVydani
  • Prague
http://linked.open...i/riv/nazevZdroje
  • Proceedings of the 8th Multinational Congress on Microscopy
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Schauer, Petr
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Czechoslovak Microscopy Society
https://schema.org/isbn
  • 978-80-239-9397-4
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