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Original Articles

Ferroelectric Properties of SBN Thin Films Deposited by Ion Beam Sputtering

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Pages 173-177 | Received 01 Aug 2003, Accepted 01 Jan 2004, Published online: 07 Sep 2010
 

Abstract

Strontium barium niobate thin films with nominal composition corresponding to Sr0.30Ba0.70Nb2O6 (SBN30) were deposited onto Pt/Ti/SiO2/Si(100) substrate by ion beam sputter deposition (IBSD) technique. D–E hysteresis loops for Pt/SBN30/Pt capacitor samples were saturated after annealing treatment in air above 750°C, with remanent polarization (2Pr) value of about 22 μC/cm2 and coercive field (Ec) of about 128 kV/cm. Relative permittivity and leakage current characteristics were also determined from C–V and I–V measurements.

Acknowledgement

This work was supported by grant No. R01-2000-00233 from the basic research program of the Korea Science and Engineering Foundation.

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