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Abstract:
利用X射线多晶衍射仪、场发射扫描电镜、场发射透射电镜、X射线光电子能谱和荧光光谱仪对相近半径离子Hf~(4+)和Zr~(4+)共掺六方Na YF_4:Yb~(3+)/Tm~(3+)的结构、形貌和上转换发光性能进行研究.结果表明Hf~(4+)和Zr~(4+)离子共掺六方Na YF_4:Yb~(3+)/Tm~(3+)可有效调控晶场的不对称性,Hf~(4+)相对于Zr~(4+)是个更好的掺杂离子,它在调控晶场的同时还参与Tm~(3+)离子上转换发光的能量传递过程,明显提高了短波500 nm以下发射带的荧光强度;而Zr4+离子仅扮演晶场调控角色而未能参与稀土离子Tm~(3+)的上转换发光过程,Tm~(...
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化学学报
ISSN: 0567-7351
CN: 31-1320/O6
Year: 2016
Issue: 02
Volume: 74
Page: 191-198
2 . 1 3 1
JCR@2016
1 . 7 0 0
JCR@2023
JCR Journal Grade:2
CAS Journal Grade:4
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 3
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