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Structural, dielectric and ferroelectric properties of Ti-Modified 0.72BiFeO3-0.28PbTiO3 multiferroic thin films prepared by pulsed laser deposition

  • Xi'an Jiaotong University
  • Simon Fraser University

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations

Abstract

Ti-modified 0.72BiFeO3-0.28PbTiO3 thin films were prepared on Pt/Ti/SiO2/Si substrates by pulsed laser deposition under different oxygen pressures from 2 Pa to 15 Pa. The microstructures and electrical properties were investigated. Tetragonal (001) preferential orientation was observed in all films under different oxygen atmosphere pressures. The electrical properties of the thin films have been investigated for various deposition conditions. The dielectric constant and double remanent polarization were found to be 550 and 80 μC/cm2, respectively, for the thin film deposited at an oxygen atmosphere of 10 Pa and a substrate temperature of 680°C.

Original languageEnglish
Pages (from-to)42-49
Number of pages8
JournalFerroelectrics
Volume410
Issue number1
DOIs
StatePublished - 2011
Event12th International Meeting on Ferroelectricity, IMF-12 and the 18th IEEE International Symposium on Applications of Ferroelectrics, ISAF-18 - Xi'an, China
Duration: 23 Aug 200927 Aug 2009

Keywords

  • Dielectric and ferroelectric properties
  • Pulsed laser deposition
  • Ti modified 0.72BiFeO-0.28PbTiO thin films

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