Electronic structure and associated properties of Gd2O2S: Tb3+

被引：28
|
作者：
Raukas, M [1 ]
Mishra, KC
Peters, C
Schmidt, PC
Johnson, KH
Choi, J
Happek, U
机构：
[1] OSRAM SYLVANIA INC, Cent Res, Beverly, MA 01915 USA
[2] Tech Univ Darmstadt, Inst Chem Phys, Darmstadt, Germany
[3] MIT, Dept Mat Sci, Cambridge, MA 02139 USA
[4] Univ Georgia, Dept Phys & Astron, Athens, GA 30602 USA
来源：
JOURNAL OF LUMINESCENCE | 2000年 / 87-9卷
关键词：
electronic structure calculations; Gd2O2S : Tb3+; oxysulfides; terbium;
D O I：
10.1016/S0022-2313(99)00499-8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper we present the calculated electronic structures and associated properties of a green phosphor, Gd2O2S : Tb3+ and compare with experiment. Calculations are performed using the spin polarized relativistic version of the self-consistent field XY scattered wave molecular orbital cluster method and the augmented spherical wave band structure supercell method. The band structures and the associated energy level diagrams of this phosphor will be used to study the luminescence mechanism of Gd2O2S : Tb3+ and to interpret its optical, photoconductivity and XPS spectra. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：980 / 982
页数：3
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