Effect of nitrogen doping on optical properties and electronic structures of SrZrO3 films

被引：14
|
作者：
Tang, Chunhong [1 ,2 ]
Lu, Xiaomei [1 ]
Huang, Fengzhen [1 ]
Cai, Mengqiu [3 ]
Kan, Yi [1 ]
Wang, Xiaofei [1 ]
Zhang, Chao [1 ]
Zhu, Jinsong [1 ]
机构：
[1] Nanjing Univ, Dept Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
[2] Nanjing Inst Technol, Dept Basic Course, Nanjing 211167, Peoples R China
[3] Hunan Univ, Sch Phys & Microelect Sci, Changsha 410082, Hunan, Peoples R China
来源：
SOLID STATE COMMUNICATIONS | 2011年 / 151卷 / 04期
基金：
美国国家科学基金会;
关键词：
Orthorhombic SrZrO3 films; Nitrogen-doped; Electronic band structure; Optical properties; OXIDES; SRTIO3;
D O I：
10.1016/j.ssc.2010.12.006
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The effect of nitrogen doping on optical properties and electronic structures of SrZrO3 (SZO) films was investigated both experimentally and theoretically. A shift of the absorption edge to the longer wavelength, i.e., the narrowing of the band gap caused by nitrogen doping was observed. The first-principles calculations revealed that the band gap reduced in nitrogen-doped SZO because of the localized N 2p states above O 2p states and the bottom of conduction band of Zr 4d shifting to a lower energy. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：280 / 283
页数：4
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