Orthorhombic polar Nd-doped BiFeO3 thin film on MgO substrate.

Authors :: Leontyev IN
Yuzyuk YI
Janolin PE
El-Marssi M
Chernyshov D
Dmitriev V
Golovko YI
Mukhortov VM
Dkhil B
Source :: Journal of physics. Condensed matter : an Institute of Physics journal [J Phys Condens Matter] 2011 Aug 24; Vol. 23 (33), pp. 332201. Date of Electronic Publication: 2011 Jul 21.
Publication Year :: 2011
Abstract: A Nd-doped BiFeO(3) thin film deposited on MgO substrate was studied by synchrotron diffraction. The ferroelectric nature of the film is proven by in-plane remanent polarization measurement. The highest possible symmetry of the film is determined to be orthorhombic, within the Fm2m space group. Such a structure is rotated by 45° with respect to the substrate and is consistent with tilts of oxygen octahedra doubling the unit cell. This polar structure presents a rather unusual strain-accommodation mechanism.<br /> (© 2011 IOP Publishing Ltd)

Subjects :: X-Ray Diffraction
Bismuth chemistry
Ferric Compounds chemistry
Magnesium Oxide chemistry
Models, Chemical
Neodymium chemistry

Language :: English
ISSN :: 1361-648X
Volume :: 23
Issue :: 33
Database :: MEDLINE
Journal :: Journal of physics. Condensed matter : an Institute of Physics journal
Publication Type :: Academic Journal
Accession number :: 21775802
Full Text :: https://doi.org/10.1088/0953-8984/23/33/332201