| Effects of cr doping on the optical characteristics of pbwo4 crystals | |
| Li, WF; Feng, XQ; Huang, YD; Luo, ZD; Zhu, WL | |
| 刊名 | Journal of luminescence
 |
| 2005-05-01 | |
| 卷号 | 113期号:1-2页码:109-114 |
| 关键词 | Optical properties Point defects |
| ISSN号 | 0022-2313 |
| DOI | 10.1016/j.jlumin.2004.09.112 |
| 通讯作者 | Feng, xq() |
| 英文摘要 | We report here the optical properties of pwo crystals doped with cr3+ at a series of concentration levels. it is found that deep traps diminish and the luminescence deteriorates with the addition of cr3+ ion, which is interpreted by the combined effects of self-absorption, large distortion of wo4 tetrahedron and the formation of "killing site", defect pairs [2(cr-pb(3+))-(cr-w(4+))]. upon doping at low concentration, the violet-shift of optical absorption edge occurs and it is explained by ion polarization effect. cr3(+) is suggested to substitute for pb2+ and results in the relaxation of crystal lattice, which is confirmed by raman spectra. when heavily doped, some cr go into w-site in the form of cr4+ in addition to (cr3+) to keep the charge neutrality and scheelite-type structure integrity. it seems that w6+ tetrahedral site is suitable for hosting cr4+, which is an important laser active ion. (c) 2004 elsevier b.v. all rights reserved. |
| WOS关键词 | SCINTILLATION CHARACTERISTICS ; SINGLE-CRYSTALS ; ABSORPTION ; THERMOLUMINESCENCE ; LASERS ; RAMAN |
| WOS研究方向 | Optics |
| WOS类目 | Optics |
| 语种 | 英语 |
| 出版者 | ELSEVIER SCIENCE BV |
| WOS记录号 | WOS:000229413200014 |
| 内容类型 | 期刊论文 |
| URI标识 | http://www.corc.org.cn/handle/1471x/2377220 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Feng, XQ |
| 作者单位 | 1.Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China 3.Chinese Acad Sci, Fujian Inst Res Struct Matter, Fujian 350002, Peoples R China 4.Kyoto Inst Technol, Dept Mat, Sakyo Ku, Kyoto 606, Japan |
| 推荐引用方式 GB/T 7714 | Li, WF,Feng, XQ,Huang, YD,et al. Effects of cr doping on the optical characteristics of pbwo4 crystals[J]. Journal of luminescence,2005,113(1-2):109-114. |
| APA | Li, WF,Feng, XQ,Huang, YD,Luo, ZD,&Zhu, WL.(2005).Effects of cr doping on the optical characteristics of pbwo4 crystals.Journal of luminescence,113(1-2),109-114. |
| MLA | Li, WF,et al."Effects of cr doping on the optical characteristics of pbwo4 crystals".Journal of luminescence 113.1-2(2005):109-114. |
| 个性服务 |
| 查看访问统计 |
| 相关权益政策 |
| 暂无数据 |
| 收藏/分享 |
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。
修改评论