Mares, Jiri A. - Résultats de la recherche

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Scintillation Characteristics of the Single-Crystalline Film and Composite Film-Crystal Scintillators Based on the Ce $^3$ +-Doped (Lu,Gd) $_3$ (Ga,Al) $_5$ O $_{12}$ Mixed Garnets under Alpha and Beta Particles, and Gamma Ray Excitations / Mares, Jiri A (Prague, Inst. Phys.) ; Gorbenko, Vitalii (Kazimierz Wielki U., Bydgoszcz) ; Kucerkova, Romana (Prague, Inst. Phys.) ; Prusa, Petr (Prague, Tech. U.) ; Beitlerova, Alena (Prague, Inst. Phys.) ; Zorenko, Tetiana (Kazimierz Wielki U., Bydgoszcz) ; Pokorny, Martin (COMPAS, Turnov) ; Witkiewicz-Łukaszek, Sandra (Kazimierz Wielki U., Bydgoszcz) ; Syrotych, Yurii (Kazimierz Wielki U., Bydgoszcz) ; D'Ambrosio, Carmelo (CERN) et al.
The crystals of (Lu,Gd)3(Ga,Al)5O12 multicomponent garnets with high density ρ and effective atomic number Zeff are characterized by high scintillation efficiency and a light yield value up to 50,000 ph/MeV. During recent years, single-crystalline films and composite film/crystal scintillators were developed on the basis of these multicomponent garnets. [...]
2022 - 20 p. - Published in : Materials 15 (2022) 7925 Fulltext: PDF;

Notice détaillée - Notices similaires

Effect of $Li^+$ ions co-doping on luminescence, scintillation properties and defects characteristics of LuAG:Ce ceramics / Liu, Shuping (Shanghai Inst. Ceramics) ; Feng, Xiqi (Shanghai Inst. Ceramics) ; Mares, Jiri A (Prague, Inst. Phys.) ; Babin, Vladimir (Prague, Inst. Phys.) ; Hu, Chen (Shanghai Inst. Ceramics) ; Kou, Huamin (Shanghai Inst. Ceramics) ; D'Ambrosio, Carmelo (CERN) ; Li, Jiang (Shanghai Inst. Ceramics) ; Pan, Yubai (Shanghai Normal U.) ; Nikl, Martin (Prague, Inst. Phys.)
Monovalent

L i^{+}

$Li^+$ codoped

L u_{3} A l_{5} O_{12}

$Lu_3Al_5O_{12}$ :Ce (LuAG:Ce) optical ceramics were fabricated by solid state reaction method and further optimized by an air-annealing process. Optical absorption, radioluminescence spectra and scintillation properties such as light yield, scintillation decay times and afterglow were measured and compared with those of the

L i^{+}

$Li^+$ free LuAG:Ce ceramic and the commercial LuAG:Ce single crystal samples. [...]
2017 - 5 p. - Published in : Opt. Mater. 64 (2017) 245-249

Notice détaillée - Notices similaires

Effect of reducing $Lu^{3+}$ content on the fabrication and scintillation properties of non-stoichiometric $Lu_{3}−_{x}Al_5O_{12}$ :Ce ceramics / Liu, Shuping (Shanghai Inst. Ceramics ; Beijing, GUCAS) ; Mares, Jiri A (Prague, Inst. Phys.) ; Babin, Vladimir (Prague, Inst. Phys.) ; Hu, Chen (Shanghai Inst. Ceramics) ; Kou, Huamin (Shanghai Inst. Ceramics) ; D’Ambrosio, Carmelo (CERN) ; Pan, Yubai (Shanghai Normal U.) ; Nikl, Martin (Prague, Inst. Phys.)

L u_{3} -_{x} A l_{5} O_{12}

$Lu_{3}−_{x}Al_5O_{12}$ :Ce optical ceramics (

L u_{3} -_{x} A G : C e,

$Lu_3−_{x}AG:Ce,$ x = 1, 2, 3 and 4 at.%, respectively) with

L u^{3 +}

$Lu^{3+}$ compositions ranging from 1 to 4 at.% below stoichiometry content were fabricated by solid state reaction method and further optimized by an air-annealing process. The effect of

L u^{3 +}

$Lu^{3+}$ deficiency on the optical, luminescence and scintillation properties of such a non-stoichiometric

L u_{3} -_{x} A l_{5} O_{12}

$Lu_3−_{x}Al_5O_{12}$ :Ce ceramics was investigated. [...]
2017 - 6 p. - Published in : Opt. Mater. 63 (2017) 179-184

Notice détaillée - Notices similaires

Composition and properties tailoring in $Mg^{2+}$ codoped non-stoichiometric LuAG:Ce,Mg scintillation ceramics / Liu, Shuping (Shanghai Inst. Ceramics) ; Mares, Jiri A (Prague, Inst. Phys.) ; Babin, Vladimir (Prague, Inst. Phys.) ; Hu, Chen (Shanghai Inst. Ceramics) ; Kou, Huamin (Shanghai Inst. Ceramics) ; D’Ambrosio, Carmelo (CERN) ; Li, Jiang (Shanghai Inst. Ceramics) ; Pan, Yubai (Shanghai Inst. Ceramics) ; Nikl, Martin (Prague, Inst. Phys.)
A comprehensive study of the optical, radioluminescence and scintillation properties of both the

L u^{3 +}

$Lu^{3+}$ rich and

L u^{3 +}

$Lu^{3+}$ deficient non-stoichiometric

L u_{3 + x} A G : C e, M g

$Lu_{3+x}AG:Ce,Mg$

(L u_{3 + x} A l_{5} O_{12}

$(Lu_{3+x}Al_5O_{12}$ :Ce,Mg, x = −4, −1, +1 and +4 at.%) ceramics are performed, completed further by the microstructure and defects characterization. Small deviation from the stoichiometric composition as well as

M g^{2 +}

$Mg^{2+}$ codoping plays a crucial role in ceramic transparency, radioluminescence intensity and the timing characteristics of scintillation response. [...]
2017 - 6 p. - Published in : J. Eur. Ceramic Soc. 37 (2017) 1689-1694

Notice détaillée - Notices similaires

Optical, luminescence and scintillation characteristics of non-stoichiometric LuAG:Ce ceramics / Liu, Shuping (Shanghai Inst. Ceramics ; Beijing, GUCAS) ; Feng, Xiqi (Shanghai Inst. Ceramics) ; Mares, Jiri A (ASCR, Prague) ; Babin, V (ASCR, Prague) ; Nikl, Martin (ASCR, Prague) ; Beitlerova, Alena (ASCR, Prague) ; Shi, Yun (Shanghai Inst. Ceramics) ; Zeng, Yanping (Shanghai Inst. Ceramics) ; Pan, Yubai (Shanghai Inst. Ceramics) ; D’Ambrosio, Carmelo (CERN) et al.
Non-stoichiometric

L u_{3 + x} A l_{5} O_{12} : C e

$Lu_{3+x}Al_{5}O_{12}:Ce$ (

L u_{3 + x}

$Lu_{3+x}$ AG:Ce, x=1, 2, 3 and 4 %) ceramics were fabricated by solid state reaction method and further optimized by an air-annealing process. Absorption, luminescence spectra and scintillation characteristics such as light yield, scintillation decay times, energy resolution, proportionality and afterglow were measured and compared with those of the latest LuAG:Ce single crystal and stoichiometric LuAG:Ce,Mg ceramic samples. [...]
2016 - 6 p. - Published in : J. Lumin. 169 (2016) 72-77

Notice détaillée - Notices similaires

Towards Bright and Fast Lu3Al5O12:Ce,Mg Optical Ceramics Scintillators / Liu, Shuping ; Mares, Jiri A. ; Feng, Xiqi ; Vedda, Anna ; Fasoli, Mauro ; Shi, Yun ; Kou, Huamin ; Beitlerova, Alena ; Wu, Lexiang ; D'Ambrosio, Carmelo (CERN) et al.
The recent advent of Lu 3 Al 5 O 12 :Ce optical ceramics marks a turning point in scintillator material technology. Because of their lower preparation tem-perature, brightness, and robustness such materials can now compete with single crystals. [...]
2016 - 9 p. - Published in : Adv. Opt. Mater. 4 (2016) 731-739

Notice détaillée - Notices similaires

Voir aussi: noms d'auteurs similaires
60	Mares, J
13	Mares, J A
10	Mares, J J
29	Mares, J.
1	Mares, J.A
2	Mares, J.J.
350	Mares, Jiri
5	Mares, Jiri A
2	Mares, Jiri J
1	Mares, Justin
60	Mareš, J
13	Mareš, J A
29	Mareš, J.
350	Mareš, Jiří
2	Mareš, Jiří J
1	Mareš, Jiří J.

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