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Cesium hafnium chloride scintillator coupled with an avalanche photodiode photodetector

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    0487165 - FZÚ 2018 RIV GB eng J - Journal Article
    Kurosawa, S. - Kodama, S. - Yokota, Y. - Horiai, T. - Yamaji, A. - Shoji, Y. - Král, Robert - Pejchal, Jan - Ohashi, Y. - Kamada, K. - Nikl, Martin - Yoshikawa, A.
    Cesium hafnium chloride scintillator coupled with an avalanche photodiode photodetector.
    Journal of Instrumentation. Roč. 12, Feb (2017), s. 1-8, č. článku C02042. ISSN 1748-0221. E-ISSN 1748-0221
    Grant - others:AV ČR(CZ) JSPS-17-18
    Program: Bilaterální spolupráce
    Institutional support: RVO:68378271
    Keywords : gamma detectors * scintillators and scintillating fibres * scintillators * scintillation and light emission processes
    OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
    Impact factor: 1.258, year: 2017

    Optical and scintillation properties of pure Cs2HfCl6 single crystals were investigated. In particular, light output and energy resolution were measured using a Si avalanche photodiode (Si-APD), since the Si-APD has sufficient quantum efficiency of around 70 % at emission wavelength region of CHC around 420 nm. This CHC single crystal grown using the vertical Bridgman method showed light output of 37000 photons/MeV. Moreover, the temperature dependence of the light output was stable from -5 to 30°C, while the light output increased below -10°C.
    Permanent Link: http://hdl.handle.net/11104/0281844

     
     
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