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Preparation of SrFeO3-X Thin Films by the Spin-Coating Method and its Gas Sensing Properties

Published online by Cambridge University Press:  26 February 2011

Abdul Majid ,
Egmont Gollner ,
Mahesh Matam ,
Jim Tunney  and
Mike Post
Abdul Majid
Affiliation:
abdul.majid@nrc.gc.ca, National Research Council of Canada, Institute for Chemical Process and Environmental Technology, Montreal Road, Building M-12, Room G41, Ottawa, K1A0R6, Canada, 6139932017, 6139912384
Egmont Gollner
Affiliation:
egmont.gollner@nrc.gc.ca, University of Bayreuth, Bayreuth, D-95440, Germany
Mahesh Matam
Affiliation:
mmatam@omegapiezo.com, Omega Piezo Technologies, Inc., State College, PA, 16801, United States
Jim Tunney
Affiliation:
jim.tunney@nrc.gc.ca, National Research Council of Canada, Institute for Chemical Process and Environmental Technology, Ottawa, K1A0R6, Canada
Mike Post
Affiliation:
mike.post@nrc.gc.ca, National Research Council of Canada, Institute for Chemical Process and Environmental Technology, Ottawa, K1A0R6, Canada
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Abstract

Nanostructured coatings have recently attracted increasing interest because of the possibilities of synthesizing materials with unique physical-chemical properties. In this report we describe our efforts at developing a methodology for the fabrication of SrFeO3-X based thin films using a modified Pechini method. Thin films of SrFeO3-X were fabricated using a spin coating and PLD method on Al2O3. The films annealed at 600 °C for one hour show a perovskite phase. The sensors based on SrFeO3-X thin films on alumina were fabricated using spin coating and PLD techniques. The sensing properties were determined using propane and propene as the probing gases. Response characteristics and temperature dependency of spin coated and PLD fabricated samples were compared. The effect of the electrode material, Au and/or Pt, on the gas detection sensitivity of the SrFeO3-X thin films was also investigated.

Keywords

sensorsol-gelthin film
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 972: Symposium AA – Solid-State Ionics—2006 , 2006 , 0972-AA12-05
Copyright
Copyright © Materials Research Society 2007

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