2-inch size crystal growth of Ce:Gd3Al2Ga 3O12 with various Ce concentration and their scintillation properties

Kei Kamada; Petr Prusa; Martin Nikl; Claudio Piemonte; Alessandro Tarolli; Takayuki Yanagida; Takanori Endo; Kousuke Tsutumi; Akira Yoshikawa

doi:10.1109/NSSMIC.2012.6551401

2-inch size crystal growth of Ce:Gd₃Al₂Ga ₃O₁₂ with various Ce concentration and their scintillation properties

Kei Kamada, Petr Prusa, Martin Nikl, Claudio Piemonte, Alessandro Tarolli, Takayuki Yanagida, Takanori Endo, Kousuke Tsutumi, Akira Yoshikawa

Materials Property Division

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

7 Citations (Scopus)

Abstract

2 inch size Ce0.2, 1%, 2.5% and 3% doped Gd₃(Ga,Al) ₅O₁₂ (GAGG) single crystals were grown by the Cz method. Luminescence and scintillation properties were measured. Light yield change along the growth direction and effects of Ce concentration on scintillation properties in Ce:GAGG were studied. Ce³⁺ 5d-4f emission within 520-530nm was observed in the Ce:GAGG crystals. The Ce1%:GAGG sample with 5×5×5mm size showed the highest light yield of 62000 photon/MeV. The energy resolution was 4.7%@662keV. With increasing solidification fraction, the LY were decreased. It is proposed that the increase of Ga concentration along the growth direction is the main cause of the decrease of LY. The scintillation decay times were accelerated with increasing Ce concentration in the Ce:GAGG crystals. The scintillation decay times were 92.0ns, 79.1ns and 68.3ns in the Ce1, 2 and 3% GAGG, respectively. Ce0.2% sample showed scintillation decay time of 61.9ns (49%) with slower decay component of 595ns(51%).

Original language	English
Title of host publication	2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012
Pages	1698-1701
Number of pages	4
DOIs	https://doi.org/10.1109/NSSMIC.2012.6551401
Publication status	Published - 2012 Dec 1
Event	2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012 - Anaheim, CA, United States Duration: 2012 Oct 29 → 2012 Nov 3

Publication series

Name	IEEE Nuclear Science Symposium Conference Record
ISSN (Print)	1095-7863

Other

Other	2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012
Country	United States
City	Anaheim, CA
Period	12/10/29 → 12/11/3

ASJC Scopus subject areas

Radiation
Nuclear and High Energy Physics
Radiology Nuclear Medicine and imaging

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Kamada, K., Prusa, P., Nikl, M., Piemonte, C., Tarolli, A., Yanagida, T., Endo, T., Tsutumi, K., & Yoshikawa, A. (2012). 2-inch size crystal growth of Ce:Gd₃Al₂Ga ₃O₁₂ with various Ce concentration and their scintillation properties. In 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012 (pp. 1698-1701). [6551401] (IEEE Nuclear Science Symposium Conference Record). https://doi.org/10.1109/NSSMIC.2012.6551401

2-inch size crystal growth of Ce:Gd₃Al₂Ga ₃O₁₂ with various Ce concentration and their scintillation properties. / Kamada, Kei; Prusa, Petr; Nikl, Martin; Piemonte, Claudio; Tarolli, Alessandro; Yanagida, Takayuki; Endo, Takanori; Tsutumi, Kousuke; Yoshikawa, Akira.

2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012. 2012. p. 1698-1701 6551401 (IEEE Nuclear Science Symposium Conference Record).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kamada, K, Prusa, P, Nikl, M, Piemonte, C, Tarolli, A, Yanagida, T, Endo, T, Tsutumi, K & Yoshikawa, A 2012, 2-inch size crystal growth of Ce:Gd₃Al₂Ga ₃O₁₂ with various Ce concentration and their scintillation properties. in 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012., 6551401, IEEE Nuclear Science Symposium Conference Record, pp. 1698-1701, 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012, Anaheim, CA, United States, 12/10/29. https://doi.org/10.1109/NSSMIC.2012.6551401

Kamada K, Prusa P, Nikl M, Piemonte C, Tarolli A, Yanagida T et al. 2-inch size crystal growth of Ce:Gd₃Al₂Ga ₃O₁₂ with various Ce concentration and their scintillation properties. In 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012. 2012. p. 1698-1701. 6551401. (IEEE Nuclear Science Symposium Conference Record). https://doi.org/10.1109/NSSMIC.2012.6551401

Kamada, Kei ; Prusa, Petr ; Nikl, Martin ; Piemonte, Claudio ; Tarolli, Alessandro ; Yanagida, Takayuki ; Endo, Takanori ; Tsutumi, Kousuke ; Yoshikawa, Akira. / 2-inch size crystal growth of Ce:Gd₃Al₂Ga ₃O₁₂ with various Ce concentration and their scintillation properties. 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012. 2012. pp. 1698-1701 (IEEE Nuclear Science Symposium Conference Record).

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abstract = "2 inch size Ce0.2, 1%, 2.5% and 3% doped Gd3(Ga,Al) 5O12 (GAGG) single crystals were grown by the Cz method. Luminescence and scintillation properties were measured. Light yield change along the growth direction and effects of Ce concentration on scintillation properties in Ce:GAGG were studied. Ce3+ 5d-4f emission within 520-530nm was observed in the Ce:GAGG crystals. The Ce1%:GAGG sample with 5×5×5mm size showed the highest light yield of 62000 photon/MeV. The energy resolution was 4.7%@662keV. With increasing solidification fraction, the LY were decreased. It is proposed that the increase of Ga concentration along the growth direction is the main cause of the decrease of LY. The scintillation decay times were accelerated with increasing Ce concentration in the Ce:GAGG crystals. The scintillation decay times were 92.0ns, 79.1ns and 68.3ns in the Ce1, 2 and 3% GAGG, respectively. Ce0.2% sample showed scintillation decay time of 61.9ns (49%) with slower decay component of 595ns(51%).",

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AU - Kamada, Kei

AU - Prusa, Petr

AU - Nikl, Martin

AU - Piemonte, Claudio

AU - Tarolli, Alessandro

AU - Yanagida, Takayuki

AU - Endo, Takanori

AU - Tsutumi, Kousuke

AU - Yoshikawa, Akira

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N2 - 2 inch size Ce0.2, 1%, 2.5% and 3% doped Gd3(Ga,Al) 5O12 (GAGG) single crystals were grown by the Cz method. Luminescence and scintillation properties were measured. Light yield change along the growth direction and effects of Ce concentration on scintillation properties in Ce:GAGG were studied. Ce3+ 5d-4f emission within 520-530nm was observed in the Ce:GAGG crystals. The Ce1%:GAGG sample with 5×5×5mm size showed the highest light yield of 62000 photon/MeV. The energy resolution was 4.7%@662keV. With increasing solidification fraction, the LY were decreased. It is proposed that the increase of Ga concentration along the growth direction is the main cause of the decrease of LY. The scintillation decay times were accelerated with increasing Ce concentration in the Ce:GAGG crystals. The scintillation decay times were 92.0ns, 79.1ns and 68.3ns in the Ce1, 2 and 3% GAGG, respectively. Ce0.2% sample showed scintillation decay time of 61.9ns (49%) with slower decay component of 595ns(51%).

AB - 2 inch size Ce0.2, 1%, 2.5% and 3% doped Gd3(Ga,Al) 5O12 (GAGG) single crystals were grown by the Cz method. Luminescence and scintillation properties were measured. Light yield change along the growth direction and effects of Ce concentration on scintillation properties in Ce:GAGG were studied. Ce3+ 5d-4f emission within 520-530nm was observed in the Ce:GAGG crystals. The Ce1%:GAGG sample with 5×5×5mm size showed the highest light yield of 62000 photon/MeV. The energy resolution was 4.7%@662keV. With increasing solidification fraction, the LY were decreased. It is proposed that the increase of Ga concentration along the growth direction is the main cause of the decrease of LY. The scintillation decay times were accelerated with increasing Ce concentration in the Ce:GAGG crystals. The scintillation decay times were 92.0ns, 79.1ns and 68.3ns in the Ce1, 2 and 3% GAGG, respectively. Ce0.2% sample showed scintillation decay time of 61.9ns (49%) with slower decay component of 595ns(51%).

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