Jump to main content
Jump to site search

Issue 39, 2016, Issue in Progress
Previous Article Next Article

Epitaxial growth and nanoscale electrical properties of Ce2Ti2O7 thin films

Author affiliations

Abstract

(00l) epitaxial Ce2Ti2O7 thin films with a layered perovskite/monoclinic structure were grown on (110)-oriented Nb-doped SrTiO3 substrates via pulsed laser deposition and a sol–gel method associated with spin-coating. Using the sol–gel method, the Ce2Ti2O7 films were obtained by annealing at 950 °C under a reductive Ar/H2 atmosphere. Employing the pulsed laser deposition technique, they were directly grown under vacuum (10−6 mbar) with a controlled re-oxidation during the cooling step. The pole figure measurements provide the in-plane crystallographic relationships between the film and substrate: [001]SrTiO3//[100]Ce2Ti2O7 and [1−10]SrTiO3//[010]Ce2Ti2O7. Piezoresponse force microscopy measurements highlight the local ferroelectric character of the films synthetized. The switching capability was more reliable for the film grown via pulsed laser deposition, which was explained by the lower mosaic spread. Higher local conductivity was also detected using conductive-atomic force microscopy of the physically deposited film and was attributed to its lower thickness. Such epitaxially deposited functional oxides may be considered as promising candidates for integration into advanced electronic devices.

Graphical abstract: Epitaxial growth and nanoscale electrical properties of Ce2Ti2O7 thin films

Back to tab navigation

Supplementary files

Publication details

The article was received on 14 Jan 2016, accepted on 19 Mar 2016 and first published on 22 Mar 2016


Article type: Paper
DOI: 10.1039/C6RA01225F
Citation: RSC Adv., 2016,6, 32994-33002
  •   Request permissions

    Epitaxial growth and nanoscale electrical properties of Ce2Ti2O7 thin films

    A. Bayart, Z. Shao, A. Ferri, P. Roussel, R. Desfeux and S. Saitzek, RSC Adv., 2016, 6, 32994
    DOI: 10.1039/C6RA01225F

Search articles by author

Spotlight

Advertisements