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Title: Optical and electro-optic anisotropy of epitaxial Ba₀.₇7Sr₀.₃TiO₃ thin films
Authors: Wang, DY
Li, S
Chan, HLW 
Choy, CL 
Issue Date: 8-Feb-2010
Source: Applied physics letters, 8 Feb. 2010, v. 96, no. 6, 061905, p. 1-3
Abstract: The anisotropic optical and electro-optic properties of ferroelectric Ba₀.₇Sr₀.₃TiO₃ thin films, deposited on highly transparent single-crystal MgO (001),(011), and (111) substrates using pulsed laser deposition, were investigated. The experimental results show a strong correlation between optical, electro-optic properties, and the orientation of Ba₀.₇Sr₀.₃TiO₃thin films. The linear electro-optic coefficient rc of the (001), (011) , and (111) -oriented Ba₀.₇Sr₀.₃TiO₃ thin films are 99.1, 15.7, and 87.8 pm/V, respectively. Such a correlation may be attributed to the orientation dependent distribution and magnitude of spontaneous polarizati.
Keywords: Barium compounds
Crystal orientation
Dielectric polarisation
Electro-optical effects
Energy gap
Epitaxial layers
Ferroelectric materials
Ferroelectric thin films
Refractive index
Strontium compounds
Transparency
Publisher: American Institute of Physics
Journal: Applied physics letters 
ISSN: 0003-6951
EISSN: 1077-3118
DOI: 10.1063/1.3302453
Rights: © 2010 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in D. Y. Wang et al., Appl. Phys. Lett. 96, 061905 (2010) and may be found at http://link.aip.org/link/?apl/96/061905
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