Noheda, B. and Vlooswijk, A. and Janssens, A. and Catalan, G. and Rijnders, G. and Blank, D. H. A. (2008) Periodic nanodomains in PbTiO3 films under tensile strain. In: Applications of Ferroelectrics, 2008. ISAF 2008. 17th IEEE International Symposium on the.
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In epitaxial ferroelectric thin films under tensile strain, a transition from 180° domains to 90° domains can be achieved by increasing the film thickness. In many cases, the 90° a/c domains appear in the form of wide c-domains separated by narrow a-stripes. We have deposited thin films of PbTiO3 on DyScO3 substrates and show that the condition of horizontal coherence forces the a-domains to adopt discrete sizes, the smallest of which is substrate-independent and depends only on the tetragonality of the ferroelectric film. Growing PbTiO3 on DyScO3, we have achieved the narrowest (6 nm) possible a-domains, as well as the shortest periodicity that allows to maintain the lateral coherence in the film.
|Item Type:||Conference or Workshop Item (Paper)|
|Uncontrolled Keywords:||08AREP; IA57;|
|Subjects:||03 - Mineral Sciences|
|Divisions:||03 - Mineral Sciences|
|Page Range:||pp. 1-2|
|Depositing User:||Sarah Humbert|
|Date Deposited:||27 May 2009 08:35|
|Last Modified:||23 Jul 2013 09:54|
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