Electrode effects on electrical properties of polycrystalline (Ba0.6Sr0.4)(Zr0.3Ti0.7)O3 thin films

Details Electrode effects on electrical properties of polycrystalline (Ba0.6Sr0.4)(Zr0.3Ti0.7)O3 thin films Electrode effects on electrical properties of polycrystalline (Ba0.6Sr0.4)(Zr0.3Ti0.7)O3 thin films

2009-08-05

arxiv.org/abs/0908.0720v2

Physics

Condensed Matter

Materials Science

This paper has been withdrawn by the author due to make a major revision

Scientific paper

(Ba0.6Sr0.4)(Zr0.3Ti0.7)O3 thin films were grown on IrO2 and Pt coated Si substrates. Film on Pt electrode showed large dielectric dispersion at lower frequency and on other hand film on IrO2 showed dielectric constant almost independent with frequency up to 1 MHz. Tunability (Loss) on Pt and IrO2 at 1 MHz were 55% (0.159) and 45% (0.07), respectively. The FOM is also high for film on IrO2 (620) compared on to the Pt (345). Very low leakage current density also obtained on IrO2 (1.3 x 10-6 A/cm2) compared to Pt (6.14x10-3 A/cm2) coated Si substrates.

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