Smallest 90° domains in epitaxial ferroelectric films


Vlooswijk, A.H.G. and Noheda, B. and Catalan, G. and Janssens, A. and Barcones, B. and Rijnders, G. and Blank, D.H.A. and Venkatesan, S. and Kooi, B. and Hosson, J.T.M. de (2007) Smallest 90° domains in epitaxial ferroelectric films. Applied physics letters, 91 (11). p. 112901. ISSN 0003-6951

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Abstract:Periodic ferroelectric-ferroelastic 90° domain patterns with an unprecedented small domain periodicity of 27 nm were observed in thin PbTiO3 films grown on DyScO3 substrates. These patterns contain the narrowest possible a domains 6 nm wide that allow to preserve the lateral coherence in the films, producing highly ordered patterns visible by x-ray diffraction.
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Copyright:© 2007 American Institute of Physics
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