Microscopic origin of Er3+ emission in mixed amorphous-nanocrystalline Si:H films

被引:6
作者
Aldabergenova, SB
Albrecht, M
Strunk, HP
Viner, J
Taylor, PC
Andreev, AA
机构
[1] Univ Erlangen Nurnberg, Inst Werkstoffwissensch, D-91058 Erlangen, Germany
[2] Univ Utah, Salt Lake City, UT 84112 USA
[3] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia
来源
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2001年 / 81卷 / 1-3期
关键词
Er3+ emission; stark splitting; microstructure; a-Si : H matrix; optimal ligand field;
D O I
10.1016/S0921-5107(00)00682-6
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
ErO6 complexes, where every Er3+ ion is surrounded by six oxygen atoms forming an octahedron with C-3v point symmetry are found to explain the strong Stark splitting of the characteristic Er3+ emission observed in the 1460-1610 nm range. An a-Si:H matrix serves as an ideal semiconductor host to permit co-doped O atoms to form an optimal ligand field around Er3+ ions. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:29 / 31
页数:3
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