Effect of oxidation dynamics on the film characteristics of Ce:YIG thin films deposited by pulsed-laser deposition

被引：12
|
作者：
Nakata, Y
Okada, T
Maeda, M
Higuchi, S
Ueda, K
机构：
[1] Kyushu Univ, Grad Sch Informat Sci & Elect Engn, Fukuoka 8128581, Japan
[2] Cent Res Inst Elect Power Ind, Tokyo, Japan
来源：
OPTICS AND LASERS IN ENGINEERING | 2006年 / 44卷 / 02期
关键词：
cerium substituted yttrium iron garnet; pulsed-laser deposition; X-ray diffraction analysis; two-dimensional laser-induced fluorescence;
D O I：
10.1016/j.optlaseng.2005.03.003
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Thin films with different compositions of Ce-substituted yttrium iron garnet (Ce:YIG (Y2CeFe5O12)), Ga-doped Ce:YIG (Ce:Ga:YIG (Y2CeFe4.25Ga0.75O12)), and Gd-doped Cc:YIG (Ce:Gd:YIG ((Y16CeGd0.4Fe5O12)-Ce-.)) were deposited on gadolinium gallium garnet (GGG (Gd3Ga5O12)) substrates in O-2 or Ar background gas by pulsed-laser deposition (PLD) technique. Crystalline films were obtained at a lower O-2 gas pressure of 20 mTorr or at higher Ar gas pressures of more than 100 m Torr. In addition, the behavior of YO molecules was visualized by two-dimensional laser-induced fluorescence (2D-LIF), in order to investigate the oxidation dynamics in the ablation plume. The oxidation dynamics and the crystallinity had close correlation. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：147 / 154
页数：8
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