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Proceedings Paper

Strain dependence of the optical properties and band gap of transparent conducting BaSnO3 and SrSnO3
Author(s): David J. Singh; Qiang Xu; Khuong P. Ong; Xiaofeng Fan
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Paper Abstract

Recent work has shown that perovskite BaSnO3, when doped n-type by rare earth or Sb substitution, has potential as a transparent conducting oxide (TCO), replacement for In2O3:Sn (ITO). Here we discuss the properties of this material and the related SrSnO3, as well as strain dependence and epitaxy using first principles calculations. The compounds show remarkably strong strain tunability, but in a manner very different from well-studied perovskites such as SrTiO3. The differences are explained in terms of the s-electron nature of the conduction bands in these stannates.

Paper Details

Date Published: 7 October 2014
PDF: 6 pages
Proc. SPIE 9177, Thin Films for Solar and Energy Technology VI, 91770F (7 October 2014); doi: 10.1117/12.2061757
Show Author Affiliations
David J. Singh, Oak Ridge National Lab. (United States)
Qiang Xu, A*STAR Institute of High Performance Computing (Singapore)
Khuong P. Ong, A*STAR Institute of High Performance Computing (Singapore)
Xiaofeng Fan, Jilin Univ. (China)

Published in SPIE Proceedings Vol. 9177:
Thin Films for Solar and Energy Technology VI
Louay A. Eldada; Michael J. Heben, Editor(s)

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