Luminescence properties of piezoelectric single crystals with langasite structure

被引：14
|
作者：
Itoh, Minoru [1 ]
Takagi, Shinya
Kitaura, Mamoru
Fujita, Masami
Endo, Naoyuki
机构：
[1] Shinshu Univ, Dept Elect & Elect Engn, Nagano 3808553, Japan
[2] Fukui Natl Coll Technol, Sabae 9168507, Japan
[3] Japan Coast Guard Acad, Kure 7378512, Japan
[4] Cimeo Precis Co Ltd, Miyota 3890295, Japan
来源：
JOURNAL OF LUMINESCENCE | 2007年 / 122卷 / 205-207期
关键词：
photo luminescence; self-trapped exciton; langasite; langataite; langanite;
D O I：
10.1016/j.jlumin.2006.01.092
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Luminescence properties of single crystals of langasite (LGS), langataite (LGT), and langanite (LGN) are investigated at 5 K by using synchrotron radiation as an exciting light source. Two emission bands are observed at 420 and 500nm in LGS, at 410 and 460nm in LGT. and at 500 and 535 nm in LGN. The origin of these bands is discussed by reference to the electronic structure of LGS. (c) 2006 Elsevier B.V. All rights reserved.
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收藏
页码：205 / 207
页数：3
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