Czochralski growth of Yb doped oxyapatite for high power laser application |
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| Authors: | A Yoshikawa C Fujiwara H Sato T Nishi H Ohta T Fukuda Y Waseda G Boulon M Ito Y Guyot K Lebbou |
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| Affiliation: | a Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan;b Department of Materials Science, Ibaraki University, Hitachi 316-8511, Japan;c Physical Chemistry of Luminescent Materials, Claude Bernard/Lyon1 University, CNRS UMR 5620, 69622, Villeurbanne Cedex, France |
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| Abstract: | Ca8(La,Yb)2(PO4)6O2 (Yb:CLPA) single crystals with the apatite-type structure could be grown from the melt using the Czochralski method. Grown crystal was 18 mm in diameter and 110 mm in length. It is transparent with slightly blue color. Neither visible inclusion nor crack was observed. Thermal conductivity of Yb:CLPA was calculated from the values of thermal diffusivity, heat capacity measurement and density. Luminescent characterization was carried out from the results of emission, absorption and Raman spectrum. |
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| Keywords: | Apatite structure Czochralski growth Yb Luminescence Thermal conductivity |
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