Journal
APPLIED PHYSICS EXPRESS
Volume 10, Issue 7, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.7567/APEX.10.072601
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Funding
- Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT) [17H01375]
- JST A-step
- Grants-in-Aid for Scientific Research [17H01375] Funding Source: KAKEN
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A Ce-doped Tb3Al5O12 single crystal was successfully synthesized via the floating zone method in an Al-rich composition. In both photoluminescence and scintillation, the emissions were predominantly due to the 5d-4f transitions of Ce3+ peaking around 550 nm, but emissions due to defects and the 4f-4f transitions of Tb3+ were revealed by the time-resolved analyses. The crystal quality and luminescence intensity were sufficiently high such that the crystal was applicable for pulse-height spectrum measurement. Under Cs-137 gamma-ray exposure, a clear photoabsorption peak was observed, and the estimated light yield was 57,000 photons/MeV. (C) 2017 The Japan Society of Applied Physics
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