Growth of Tm3+-Doped Y2O3, Sc2O3, and Lu2O3 Crystals by the Micropulling down Technique and Their Optical and Scintillation Characteristics

被引：34
|
作者：
Fukabori, Akihiro [1 ]
Chani, Valery [1 ]
Kamada, Kei [2 ]
Moretti, Federico [3 ]
Yoshikawa, Akira [1 ,4 ]
机构：
[1] Tohoku Univ, IMRAM, Aoba Ku, Sendai, Miyagi 9800812, Japan
[2] Furukawa Co Ltd, Tsukuba, Ibaraki 3050856, Japan
[3] Univ Milano Bicocca, Dipartimento Sci Mat, I-20125 Milan, Italy
[4] Tohoku Univ, NICHe, Aoba Ku, Sendai, Miyagi 9808579, Japan
来源：
CRYSTAL GROWTH & DESIGN | 2011年 / 11卷 / 06期
基金：
日本科学技术振兴机构;
关键词：
HIGH-MELTING SESQUIOXIDES; FLUORESCENCE PROPERTIES; RE3+-DOPED Y2O3; LUMINESCENCE; EXCITONS;
D O I：
10.1021/cg200160q
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Single -crystal growth of Tm3+-doped Y2O3, Sc2O3, and Lu2O3 sesquioxides, with a melting point around 2400 degrees C, by the micropulling down technique is reported. Crystal quality and composition of the crystals were evaluated by rocking curve and energy-dispersive X-ray (EDX) analyses, respectively. Optical properties including optical transmittance and photoluminescence decay profiles were also examined. Furthermore, scintillation performance of the crystals including pulse height spectra and radioluminescence spectra under alpha-ray and gamma-ray excitation was evaluated.
引用
收藏
页码：2404 / 2411
页数：8
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