Observation of eu3+-> eu2+ in barium hexa-aluminates with beta ' or beta-alumina structures prepared in air
文献类型：期刊论文
| 作者 | Peng, MY; Qiu, JR; Yang, IY; Zhao, CJ |
| 刊名 | Optical materials
 |
| 出版日期 | 2004-12-01 |
| 卷号 | 27期号:3页码:591-595 |
| 关键词 | Luminescence Eu2+ ion Aluminate phosphors |
| ISSN号 | 0925-3467 |
| DOI | 10.1016/j.optmat.2004.07.008 |
| 通讯作者 | Peng, my(mypeng@mail.siom.ac.cn) |
| 英文摘要 | In 1.30bao (.) 6al(2)o(3):eu and 0.82bao (.) 6al(2)o(3):eu with beta'- or beta-alumina structure respectively, prepared in air, the doped eu3+ ions were partially reduced to eu2+ ions. x-ray powder diffraction patterns and photoluminescent spectra were employed to characterize the compound structures and to detect the existence of eu2+ ions, respectively. the reduction mechanism of eu3+ --> eu2+ was proposed to be due to the existence of negative defects (e.g. o-na''') in these compounds. this is the first observation of the reduction of eu3+ --> eu2+ in non-stoichiometric compounds prepared in an oxidizing atmosphere. and the luminescent properties of eu2+ in the compounds of xbao (.) 6al(2)o(3):eu2+ (x = 0.82, 1.00, 1.30) showed similar behavior due to their similarity in crystal structures. (c) 2004 elsevier b.v. all rights reserved. |
| WOS关键词 | LUMINESCENCE ; PHOSPHOR ; EU2+ ; ION |
| WOS研究方向 | Materials Science ; Optics |
| WOS类目 | Materials Science, Multidisciplinary ; Optics |
| 语种 | 英语 |
| WOS记录号 | WOS:000225675500041 |
| 出版者 | ELSEVIER SCIENCE BV |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2376953 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Peng, MY |
| 作者单位 | Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Grad Sch, Photon Craft Project,Japan Sci & Technol Agcy, Shanghai 201800, Peoples R China |
| 推荐引用方式 GB/T 7714 | Peng, MY,Qiu, JR,Yang, IY,et al. Observation of eu3+-> eu2+ in barium hexa-aluminates with beta ' or beta-alumina structures prepared in air[J]. Optical materials,2004,27(3):591-595. |
| APA | Peng, MY,Qiu, JR,Yang, IY,&Zhao, CJ.(2004).Observation of eu3+-> eu2+ in barium hexa-aluminates with beta ' or beta-alumina structures prepared in air.Optical materials,27(3),591-595. |
| MLA | Peng, MY,et al."Observation of eu3+-> eu2+ in barium hexa-aluminates with beta ' or beta-alumina structures prepared in air".Optical materials 27.3(2004):591-595. |
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来源：中国科学院大学
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