TY - JOUR
T1 - Optical properties and radiation response of Ce:SrHfO3 prepared by the Spark Plasma Sintering Method
AU - Kurosawa, Shunsuke
AU - Pejchal, Jan
AU - Wakahara, Shingo
AU - Yokota, Yuui
AU - Yoshikawa, Akira
N1 - Funding Information:
This work is supported by Japan Society for the Promotion of Science Research Fellowships for Young Scientists (S. Kurosawa), the funding program for next generation world-leading researchers , Japan society for promotion of science , SENTAN of Japan Science and Technology Agency and the Association for the Progress of New Chemical Technology . In addition, we would like to thank following persons for their support: Mr. Akira Ohokubo, Mr. Koichi Harata and Mr. Yoshihiro Murakami.
PY - 2013
Y1 - 2013
N2 - SrHfO3, Ce0.02Sr0.98HfO3 (Ce:SHO) and Ce0.02Al0.02Sr0.96HfO3 (Ce/Al:SHO) ceramics were prepared by Spark Plasma Sintering (SPS) in order to search for a new material with a high-effective atomic number. Here, SrHfO 3 has high melting point, and single crystal cannot be grown by micro pulling down method (which usually enables growth within less than 1 day) due to its high melting temperature. Since SPS can be used for preparation of the ceramics within roughly 10 h at temperatures lower than the melting point, we use the SPS method for material preparation. Ce:SHO had a low transparency of less than 0.1% below 540-nm, while Ce/Al:SHO had a wider transparent region including the emission wavelength region of Ce3+ (∼395 nm). Ce/Al:SHO ceramics had light output of ∼4000 photons/MeV, and decay time of 21.6 ± 0.9 ns.
AB - SrHfO3, Ce0.02Sr0.98HfO3 (Ce:SHO) and Ce0.02Al0.02Sr0.96HfO3 (Ce/Al:SHO) ceramics were prepared by Spark Plasma Sintering (SPS) in order to search for a new material with a high-effective atomic number. Here, SrHfO 3 has high melting point, and single crystal cannot be grown by micro pulling down method (which usually enables growth within less than 1 day) due to its high melting temperature. Since SPS can be used for preparation of the ceramics within roughly 10 h at temperatures lower than the melting point, we use the SPS method for material preparation. Ce:SHO had a low transparency of less than 0.1% below 540-nm, while Ce/Al:SHO had a wider transparent region including the emission wavelength region of Ce3+ (∼395 nm). Ce/Al:SHO ceramics had light output of ∼4000 photons/MeV, and decay time of 21.6 ± 0.9 ns.
KW - Ceramics scintillator
KW - High effective atomic number material
KW - Spark Plasma Sintering Method
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U2 - 10.1016/j.radmeas.2013.01.051
DO - 10.1016/j.radmeas.2013.01.051
M3 - Article
AN - SCOPUS:84884812904
SN - 1350-4487
VL - 56
SP - 155
EP - 158
JO - Radiation Measurements
JF - Radiation Measurements
ER -