Observation of Nanoscale [Formula presented] Stripe Domains in Ferroelectric [Formula presented] Thin Films

  • S. K. Streiffer
  • , J. A. Eastman
  • , D. D. Fong
  • , Carol Thompson
  • , A. Munkholm
  • , M. V. Ramana Murty
  • , O. Auciello
  • , G. R. Bai
  • , G. B. Stephenson

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

We report the observation of periodic [Formula presented] stripe domains below the ferroelectric transition in thin films. Epitaxial [Formula presented] films of thickness [Formula presented] to 42 nm on [Formula presented] substrates were studied using x-ray scattering. Upon cooling below [Formula presented], satellites appeared around Bragg peaks indicating the presence of [Formula presented] stripe domains of period [Formula presented] to 24 nm. The dependence of [Formula presented] on [Formula presented] agrees well with theory including epitaxial strain effects, while the suppression of [Formula presented] for thinner films is significantly larger than that expected solely from stripe domains.

Original languageEnglish
JournalPhysical Review Letters
Volume89
Issue number6
DOIs
StatePublished - 2002
Externally publishedYes

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