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Preparation and characterization of fiber-textured SrAl2O4:Eu films grown using a homo-buffer layer |
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| Authors: | Xiaoyan Fu Hiroshi Yamada Keiko Nishikubo Hongwu Zhang Chao-Nan Xu |
| Affiliation: | aNational Institute of Advanced Industrial Science and Technology (AIST Kyushu), Shuku 807-1, Tosu, Saga 841-0052, Japan bCREST, Japan Science and Technology (JST) Corporation, Honcho 4, Kawaguchi, Saitama 332-0012, Japan |
| Abstract: | This paper describes the preparation and characterization of fiber-textured SrAl2O4:Eu films on a quartz glass substrate using a homo-buffer layer. The effect of the buffer layer on the crystallinity and adhesion was investigated by cross-section transmission electron microscopy and X-ray diffraction (XRD). The results show that the prepared film was not only well crystallized but also highly textured. The preferred orientation of this textured film was confirmed to be (0 3 1) by pole figure measurement. In addition, this film exhibits excellent optical transparency, with an average transmittance of more than 80% in the visible range. |
| Keywords: | A1. Crystal structure A1. X-ray diffraction A3. Physical vapor deposition process B1. Inorganic compound B2. Phosphors |
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