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Study on the single crystal growth of concentration gradient Ce:YAP rod and the dopant concentration dependence on the scintillation properties |
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| Authors: | Akihiro Fukabori Takayuki Yanagida Federico Moretti Yuui Yokota Rayko Shimura Shuji Maeo Jan Pejchal Kei Kamada Akira Yoshikawa |
| Affiliation: | 1. IMRAM, Tohoku University, Katahira 2-1-1, Aobaku, Sendai, Miyagi 980-0812, Japan;2. Dipartimento di Scienza dei Materiali, Università di Milano-Bicocca, via Cozzi 53, 20125 Milano, Italy;3. IMR, Tohoku University, Katahira 2-1-1, Aobaku, Sendai, Miyagi 980-8577, Japan;4. NICHe, Tohoku University, 6-6-10, Aoba, Aramaki, Aobaku, Sendai, Miyagi 980-8577, Japan;5. Institute of Physics AS CR, Cukrovarnicka 10, 16253 Prague 6, Czech Republic;6. Materials Research Laboratory, Furukawa Company Ltd, Tsukuba, Ibaraki 305-0856, Japan |
| Abstract: | Micro-pulling down (μ-PD) method allows to prepare single crystals quickly and relatively inexpensively. Since it is a melt growth and taking into account segregation phenomena, the μ-PD method allows also to obtain single crystals characterized by dopant concentration gradients. Especially, taking the advantage of the grown crystal high aspect ratio, it allows to prepare crystalline samples with variable and wide range concentrations of dopants. These samples can help in understanding the correlation between dopant concentration and luminescence properties. |
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