Professor Stewart Clark s.j.clark@durham.ac.uk
Professor
Band gap and Schottky barrier heights of multiferroic BiFeO3
Clark, S.J.; Robertson, J.
Authors
J. Robertson
Abstract
BiFeO3 is an interesting multiferroic oxide and a potentially important Pb-free ferroelectric. However, its applications can be limited by large leakage currents. Its band gap is calculated by the density-functional based screened exchange method to be 2.8eV, similar to experiment. The Schottky barrier height on Pt or SrRuO3 is calculated in the metal induced gap state model to be over 0.9eV. Thus, its leakage is not intrinsic.
Citation
Clark, S., & Robertson, J. (2007). Band gap and Schottky barrier heights of multiferroic BiFeO3. Applied Physics Letters, 90(13), Article 132903. https://doi.org/10.1063/1.2716868
Journal Article Type | Article |
---|---|
Acceptance Date | Feb 20, 2007 |
Publication Date | Mar 26, 2007 |
Deposit Date | Jan 31, 2012 |
Publicly Available Date | Aug 18, 2015 |
Journal | Applied Physics Letters |
Print ISSN | 0003-6951 |
Electronic ISSN | 1077-3118 |
Publisher | American Institute of Physics |
Peer Reviewed | Peer Reviewed |
Volume | 90 |
Issue | 13 |
Article Number | 132903 |
DOI | https://doi.org/10.1063/1.2716868 |
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Copyright Statement
© 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters 90, 132903 (2007) and may be found at http://dx.doi.org/10.1063/1.2716868
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