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1.
Core–shell ZnO:Ga-SiO2 nanocrystals: limiting particle agglomeration and increasing luminescence via surface defect passivation / Procházková, Lenka (Prague, Tech. U. ; Prague, Inst. Phys.) ; Vaněček, Vojtěch (CTU, Prague) ; Čuba, Václav (CTU, Prague) ; Pjatkan, Radek (Unlisted, CZ) ; Martinez-Turtos, Rosana (Milan Bicocca U.) ; Jakubec, Ivo (ASCR, Prague) ; Buryi, Maksym (Prague, Inst. Phys.) ; Omelkov, Sergey (Tartu U.) ; Auffray, Etiennette (CERN) ; Lecoq, Paul (CERN) et al.
Heat treatment is needed to increase the luminescence intensity of ZnO:Ga particles, but it comes at the cost of higher particle agglomeration. Higher agglomeration results in low transparency of scintillating powder when embedded in a matrix and constitutes one of the biggest disadvantages, besides low light yield and low stopping power, of ZnO:Ga powder. [...]
2019 - 7 p. - Published in : RCS Advances 9 (2019) 28946-28952
2.
Preparation and luminescence properties of ZnO:Ga – polystyrene composite scintillator / Burešová, Hana (NUVIA, Czech Republic) ; Procházková, Lenka (Prague, Tech. U.) ; Turtos, Rosana Martinez (Milan Bicocca U.) ; Jarý, Vítězslav (Prague, Inst. Phys.) ; Mihóková, Eva (Prague, Inst. Phys.) ; Beitlerová, Alena (Prague, Inst. Phys.) ; Pjatkan, Radek (NUVIA, Czech Republic) ; Gundacker, Stefan (CERN) ; Auffray, Etiennette (CERN) ; Lecoq, Paul (CERN) et al.
Highly luminescent ZnO:Ga-polystyrene composite (ZnO:Ga-PS) with ultrafast subnanosecond decay was prepared by homogeneous embedding the ZnO:Ga scintillating powder into the scintillating organic matrix. The powder was prepared by photo-induced precipitation with subsequent calcination in air and Ar/H2 atmospheres. [...]
2016 - 10 p. - Published in : Opt. Express 24 (2016) 15289

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