First-principles study of structural, electronic, and optical properties of ZnSnO3

被引：50

作者：

Wang, Hai ^{[1
,2
]}

Huang, Haitao ^{[1
,2
]}

Wang, Biao ^{[3
]}

机构：

[1] Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Hong Kong, Peoples R China

[2] Hong Kong Polytech Univ, Mat Res Ctr, Hong Kong, Hong Kong, Peoples R China

[3] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou 510275, Guangdong, Peoples R China

来源：

SOLID STATE COMMUNICATIONS | 2009年 / 149卷 / 41-42期

关键词：

Ferroelectrics; Electronic band structure; Optical properties; X-RAY; LITHIUM-NIOBATE; LINBO3;

D O I：

10.1016/j.ssc.2009.07.009

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The structural, electronic, and optical properties of ZnSnO3 were investigated using density functional theory within the generalized gradient approximation. The structure parameters obtained agree well with the experimental results. The electronic structures indicate that ZnSnO3 is a semiconductor with a direct band gap of 1.0 eV. The calculated optical spectra can be assigned to contributions of the interband transitions from valence band O 2p levels to conduction band Sn 5s levels or higher conduction band Zn 3d levels in the low-energy region, and from O 2p to Sn 5p or Zn 4p conduction band in the high-energy region. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1849 / 1852

页数：4

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