Subnanosecond time-resolved x-ray measurements using an organic-inorganic perovskite scintillator

Kishimoto, S.; Shibuya, K.; Nishikido, F.; Koshimizu, M.; Haruki, R.; Yoda, Y.
December 2008
Applied Physics Letters;12/29/2008, Vol. 93 Issue 26, p261901
Academic Journal
We have developed a fast x-ray detector using an organic-inorganic perovskite scintillator of phenethylamine lead bromide (PhE-PbBr4). The scintillator had a dominant light emission with a fast decay time of 9.9 ns. An x-ray detector equipped with a 0.9-mm-thick PhE-PbBr4 crystal was used to detect nuclear resonant scattering in 61Ni (the first excited level: 67.41 keV; lifetime: 7.6 ns) by using synchrotron radiation. With this detector, we could successfully record the decaying gamma rays emitted from 61Ni with a time resolution of 0.7 ns (full width at half maximum) and a relatively high detection efficiency of 24%.


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