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Title: Large quasi-linear electro-optical response of BaZr 0.75Hf 0.25O 3 thin films by pulsed laser deposition
Authors: Tian, HY
Wang, DY
Zhou, XY
Wang, Y 
Chan, HLW 
Choy, CL 
Issue Date: 2005
Source: Physica status solidi. A, Applications and materials science, 2005, v. 202, no. 6, p. R63-R65
Abstract: Epitaxial BaZr 0.75Hf 0.25O 3 (BZH) thin films were grown successfully on MgO (100) substrates by pulsed laser deposition. The FWHM of the rocking curve of the BZH thin film deposited at 650°C is about 0.6°, and the pole-figure shows that the BZH thin film has fourfold symmetry with 0.5-1.1° FWHM in the φ-scanning. A large quasi-linear electro-optic effect was observed under an external electric field in a transverse geometry at 633 nm. The electric-optic coefficient R c and birefringence shift are found to be 9.145 × 10 -11 m/V and 4 × 10 -3 at 10 kV/mm, respectively. The microstructure of the films and its relation to the observed electric-optic properties is discussed. It is expected that BZH thin films will have various electric-optic and microwave applications.
Publisher: Wiley-VCH
Journal: Physica status solidi. A, Applications and materials science 
ISSN: 1862-6300
EISSN: 1862-6319
DOI: 10.1002/pssa.200510017
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