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Quantitive Research of the Crystallinity of Pr Doped {\rm Lu}_{3}{\rm Al}_{5}{\rm O}_{12}

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6 Author(s)
Yamaji, A. ; Inst. of Mater. Res., Tohoku Univ., Sendai, Japan ; Yanagida, T. ; Yokota, Y. ; Kamada, K.
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In this study, we investigated the relation between crystallinity and scintillation properties of Pr:LuAG crystals grown by Czochralski (Cz) method. The crystallinity was determined as the dislocation density using the X-ray rocking curve technique. The scintillation pulse-height spectra were collected under 662 keV137Cs γ-ray excitation to evaluate the light yield and energy resolution. It was confirmed that both the light yield and energy resolution correlates with the crystalinity; however, the other factors also have an influence.

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Nuclear Science, IEEE Transactions on  (Volume:59 ,  Issue: 5 )