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Influence of LaNiO3 as an Electrode on the Properties of Ferroelectric Oxides

Published online by Cambridge University Press:  10 February 2011

R. Kalare ,
M. Vedawyas  and
A. Kumar
R. Kalare
Affiliation:
Department of Electrical and Computer Engineering, University of South Alabama, Mobile, AL 36688
M. Vedawyas
Affiliation:
Department of Electrical and Computer Engineering, University of South Alabama, Mobile, AL 36688
A. Kumar
Affiliation:
Department of Mechanical Engineering and Center for Microelectronics Research, University of South Florida, Tampa, FL 33620, akumarl@eng.usf.edu
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Abstract

An electrode plays an important role in realising a ferroelectric thin film as a potential memory device. We have investigated LaNiO3 (LNO) as a potential electrode material and evaluated the ferroelectric properties of oxide materials like strontium bismuth tantalate (SBT) and barium titanate(BT). We have successfully deposited epitaxial films of LNO on Pt coated Si(100) and LaAlO3 (LAO) substrates using the pulsed excimer laser deposition technique. We are able to grow high quality SBT and BT films on top of this LNO layer. The X-ray diffraction revealed the epitaxy of the LNO, SBT and BT films. The ferroelectric properties of SBTand BT were investigated using the RT66A ferroelectric tester.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 623: Symposium U – Materials Science of Novel Oxide-Based Electronics , 2000 , 131
Copyright
Copyright © Materials Research Society 2000

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