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Home  >  Journal list  >  Journal of the Society of Materials Science, Japan  >  Vol.65  No.9 (2016)  >  pp.638-641

Journal of the Society of Materials Science, Japan
<<Previous article Vol.65  No.9 (2016)   pp.638 - 641 Next article>>

Fabrication of (Ba,La)SnO3 Films on (111)SrTiO3 Substrate

Kohei MIURA1), Ryo KASHIMOTO1), Takeshi YOSHIMURA1), Atsushi ASHIDA1), Norifumi FUJIMURA1)
1) Graduate School of Eng., Osaka Prefecture Univ.

Recently, BaSnO3 is attracting great attention as one of the promising oxide semiconductors with large bandgap (3.1 eV) and high mobility. The lattice constant and the band gap of this material can be tuned by changing the A site ion to Sr and Ca that should be an advantage if it is stacked to other oxide films with perovskite structure. In this paper, the growth and the characterization of (Ba,La)SnO3 thin films on (111) SrTiO3 substrate by pulsed laser deposition method are described. The effect of the O2 gas pressure on the stoichiometry, crystallinity and the deposition rate of film are investigated. Eventually (111) (Ba,La)SnO3 epitaxial film with the electron concentration of 2.2×1019 cm-3 and the hall mobility of 22.5 cm2V-1s-1 was successfully obtained.




Keyword:
Transparent oxide, Thin films, Pulsed laser deposition method, Perovskite structure, BaSnO3, High mobility

Received: February 20, 2016
Published online: September 20, 2016

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