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Nanoscale domains in strained epitaxial BiFeO3 thin Films on LaSrAlO4 substrate

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Nanoscale domains in strained epitaxial BiFeO3 thin Films on LaSrAlO4 substrate

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dc.contributor.author Chen, Zuhuang
dc.contributor.author You, Lu
dc.contributor.author Huang, Chuanwei
dc.contributor.author Qi, Yajun
dc.contributor.author Wang, Junling
dc.contributor.author Sritharan, Thirumany
dc.contributor.author Chen, Lang
dc.date.accessioned 2011-07-19T06:44:22Z
dc.date.available 2011-07-19T06:44:22Z
dc.date.copyright 2010
dc.date.issued 2011-07-19
dc.identifier.citation Chen, Z., You, L., Huang, C., Qi, Y., Wang, J., Sritharan, T., et al. (2010). Nanoscale domains in strained epitaxial BiFeO3 thin Films on LaSrAlO4 substrate. Applied Physics Letters, 96.
dc.identifier.uri http://hdl.handle.net/10220/6928
dc.description.abstract BiFeO3 thin films with various thicknesses were grown epitaxially on (001) LaSrAlO4 single crystal substrates using pulsed laser deposition. High resolution x-ray diffraction measurements revealed that a tetragonal-like phase with c-lattice constant -4.65 Å is stabilized by a large misfit strain. Besides, a rhombohedral-like phase with c-lattice constant -3.99 Å was also detected at film thickness of -50 nm and above to relieve large misfit strains. In-plane piezoelectric force microscopy studies showed clear signals and self-assembled nanoscale stripe domain structure for the tetragonal-like regions. These findings suggest a complex picture of nanoscale domain patterns in BiFeO3 thin films subjected to large compressive strains.
dc.format.extent 3 p.
dc.language.iso en
dc.relation.ispartofseries Applied physics letters
dc.rights © 2010 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following DOI: http://dx.doi.org/10.1063/1.3456729. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
dc.subject DRNTU::Engineering::Materials::Magnetic materials
dc.subject DRNTU::Engineering::Materials::Microelectronics and semiconductor materials::Thin films
dc.title Nanoscale domains in strained epitaxial BiFeO3 thin Films on LaSrAlO4 substrate
dc.type Journal Article
dc.contributor.school School of Materials Science and Engineering
dc.identifier.doi http://dx.doi.org/10.1063/1.3456729
dc.description.version Published version

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