Structural transition induced by the release of residual stress in the complex of cubic and monoclinic Gd2O3:Eu nanoparticles

被引：10
|
作者：
Gao, Shiyong
Lu, Hongliang
Nie, Yanguang
Chen, Haiyong [1 ]
Xu, Dan
Dai, Quanqin
Zhang, Jiahua
Gao, Chunxiao
Kan, Shihai
Li, Dongmei
Zou, Guangtian
机构：
[1] Jilin Univ, State Key Lab Super Hard Mat, Changchun 130012, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Opt Fine Mach & Phys, Key Lab Excited State Proc, Changchun 130033, Peoples R China
来源：
MATERIALS LETTERS | 2007年 / 61卷 / 18期
基金：
中国国家自然科学基金;
关键词：
Gd2O3 : Eu; nanomaterials; luminescence; crystal structure;
D O I：
10.1016/j.matlet.2007.01.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Photo luminescence (PL) spectra of Gd2O3:Eu composed of cubic and monoclinic structure were collected on November 2003 and June 2006, respectively. The results show that a portion of cubic Gd2O3 transforms into monoclinic after the sample was left as it is for two years; and the D-5(1)-F-7(J) emission of Eu3+ in cubic host was enhanced in this released complex. Considering the high pressure behavior of Gd2O3, we think this structural transition is due to the sample that endures a process of press and release while the residual stress is released slowly. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：4003 / 4005
页数：3
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