| Literature DB >> 12190610 |
S K Streiffer1, J A Eastman, D D Fong, Carol Thompson, A Munkholm, M V Ramana Murty, O Auciello, G R Bai, G B Stephenson.
Abstract
We report the observation of periodic 180 degrees stripe domains below the ferroelectric transition in thin films. Epitaxial PbTiO3 films of thickness d=1.6 to 42 nm on SrTiO3 substrates were studied using x-ray scattering. Upon cooling below T(C), satellites appeared around Bragg peaks indicating the presence of 180 degrees stripe domains of period Lambda=3.7 to 24 nm. The dependence of Lambda on d agrees well with theory including epitaxial strain effects, while the suppression of T(C) for thinner films is significantly larger than that expected solely from stripe domains.Entities:
Year: 2002 PMID： 12190610 DOI： 10.1103/PhysRevLett.89.067601
Source DB: PubMed Journal: Phys Rev Lett ISSN： 0031-9007 Impact factor: 9.161