Emission from trivalent-ion doped SrTiO3:Pr3+

被引：0
|
作者：
Okamoto, S [1 ]
Kobayashi, H [1 ]
Yamamoto, H [1 ]
机构：
[1] Nara Inst Sci & Technol, Grad Sch Mat Sci, Nara 6300101, Japan
来源：
PROCEEDINGS OF THE 25TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS, PTS I AND II | 2001年 / 87卷
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Enhancement of the emission from SrTiO3:Pr3+ by addition of trivalent ion has been investigated. From Xray diffraction patterns and photoluminescence (PL) spectra, it is speculated that one of the origins of the enhancement is charge compensation of Pr3+ at Sr2+ site by the trivalent ion substituting for Ti4+ around Pr3+. The trivalent-ion-dependent PL spectra can be explained qualitatively by local distortion around Pr3+ ions due to a difference in an ionic radius between Ti4+ and the trivalent ion.
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页码：1699 / 1700
页数：2
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