TY - JOUR
T1 - Bulk Single Crystal Growth of W Co-Doped Ce:GdGaAlO by Czochralski Method
AU - Ueno, M.
AU - Kim, K. J.
AU - Kamada, K.
AU - Babin, V.
AU - Nikl, M.
AU - Nihei, T.
AU - Yoshino, M.
AU - Yamaji, A.
AU - Toyoda, S.
AU - Sato, H.
AU - Yokota, Y.
AU - Kurosawa, S.
AU - Ohashi, Y.
AU - Kochurikhin, V. V.
AU - Yoshikawa, A.
N1 - Funding Information:
Manuscript received October 28, 2019; accepted November 30, 2019. Date of publication January 20, 2020; date of current version June 19, 2020. This work was supported in part by Japan Society for the Promotion of Science KAKENHI under Grant 38000153 and Grant 16H05986.
Publisher Copyright:
© 1963-2012 IEEE.
PY - 2020/6
Y1 - 2020/6
N2 - Effects of the tungsten (W) ions co-doping on the crystal growth, optical and scintillation properties for the Czochralski (Cz) grown Ce:Gd3Ga3Al2O12(GGAG) single crystals were investigated. The W 0%, 0.1%, 0.3%, 1%, and 5% co-doped Ce 1%:GGAG single crystals with a diameter of 1 in and length of 60-80 mm were grown by the Cz method. The effective segregation coefficient of the W ions was found as 0.002, 0.001, and 0.005 for W 0.1%, 0.3%, and 1%, Ce:GGAG, respectively. The segregation of W ions in GGAG host, light yield, and scintillation decay of the W co-doped Ce:GGAG were evaluated. The light yield decreased as the concentration of W co-dopant increased and toward the tail of the crystal. Furthermore, the defect role and related charge trapping in the W co-doped crystals were monitored by the thermo-stimulated luminescence.
AB - Effects of the tungsten (W) ions co-doping on the crystal growth, optical and scintillation properties for the Czochralski (Cz) grown Ce:Gd3Ga3Al2O12(GGAG) single crystals were investigated. The W 0%, 0.1%, 0.3%, 1%, and 5% co-doped Ce 1%:GGAG single crystals with a diameter of 1 in and length of 60-80 mm were grown by the Cz method. The effective segregation coefficient of the W ions was found as 0.002, 0.001, and 0.005 for W 0.1%, 0.3%, and 1%, Ce:GGAG, respectively. The segregation of W ions in GGAG host, light yield, and scintillation decay of the W co-doped Ce:GGAG were evaluated. The light yield decreased as the concentration of W co-dopant increased and toward the tail of the crystal. Furthermore, the defect role and related charge trapping in the W co-doped crystals were monitored by the thermo-stimulated luminescence.
KW - Oxides
KW - scintillator materials
KW - scintillators
KW - single crystal growth
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U2 - 10.1109/TNS.2020.2968088
DO - 10.1109/TNS.2020.2968088
M3 - Article
AN - SCOPUS:85087487791
SN - 0018-9499
VL - 67
SP - 1045
EP - 1048
JO - IEEE Transactions on Nuclear Science
JF - IEEE Transactions on Nuclear Science
IS - 6
M1 - 8963955
ER -