Growth and radioluminescence of metal elements doped LiCaAlF6 single crystals for neutron scintillator |
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| Affiliation: | 1. Institute for Materials Research, Tohoku University, 2-1-1, Katahira, Aoba-ku, Sendai, Miyagi, 980-8577, Japan;2. New Industry Creation Hatchery Center (NICHe), Tohoku University, 6-6-10, Aramaki, Aoba, Aoba-ku, Sendai, Miyagi, 980-8579, Japan;3. Institute of Physics AS CR, 10 Cukrovarnicka, Prague 6, 16200 Czech Republic;4. C&A Corporation, 6-6-40, Aramaki, Aoba, Aoba-ku, Sendai, Miyagi, 980-8579, Japan;1. Soreq Nuclear Research Center, Yavne, 81800, Israel;2. Nuclear Engineering Unit, Ben Gurion University of the Negev, Beersheva, Israel;3. Physics Department, Ben Gurion University of the Negev, Beersheva, Israel;4. Physics Unit, Sami Shamoon College of Engineering, Beersheva, Israel;5. Nuclear Research Center Negev, Beersheva, Israel;1. School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China;2. Guangxi Key Laboratory of Agricultural Products Processing (Cultivating Base), Colleges and Universities Key Laboratory for Efficient Use of Agricultural Resources in the Southeast of Guangxi, College of Chemistry and Material, Yulin Normal University, Yulin, Guangxi 537000, China;1. Department of Physics, King Mongkut''s University of Technology Thonburi, Bangkok 10140, Thailand;2. Faculty of Biomedical Engineering, Czech Technical University in Prague, Kladno, Czech Republic;3. Institute of Physics, AS CR, Cukrovarnicka 10, Prague 16253, Czech Republic;4. IMR, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan;1. Technical Physics Division, Bhabha Atomic Research Centre, Mumbai 400085, India;2. Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai 400085, India;3. Radiological Physics and Advisory Division, Bhabha Atomic Research Centre, Mumbai 400085, India;1. Stanford University, Stanford, CA 94305-4045, USA;2. Leibniz Institute for Crystal Growth, Max-Born-Str. 2, 12489 Berlin, Germany;3. Fisk University, Nashville, TN 37208, USA;4. University of Minnesota, Minneapolis, MN 55455, USA |
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| Abstract: | The ns2-type metal elements (Pb and Sn) doped LiCaAlF6 single crystals were grown by a micro-pulling-down (μ-PD) method. Pb doped LiCaAlF6 [Pb:LiCAF] crystals showed high transparency and single phase of the LiCAF structure. However, we could not obtain Sn:LiCAF crystals due to the evaporation of SnF2 during the crystal growth. There was an absorption peak around 193 nm in the transmittance spectrum of Pb:LiCAF crystal. In the radioluminescence spectrum of the Pb:LiCAF crystal under X-ray irradiation, two emission peaks around 200 and 830 nm were observed. |
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| Keywords: | Neutron scintillator Single crystal |
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