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Spontaneous ordering, strain control, and multifunctionality in vertical nanocomposite heteroepitaxial films

  • Arnaud Fouchet
  • , Haiyan Wang
  • , Hao Yang
  • , Jongsik Yoon
  • , Quanxi Jia
  • , Judith Louise MacManus-Driscoll
  • University of Cambridge
  • Texas A&M University
  • Los Alamos National Laboratory

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Two-phase nanocomposite heteroepitaxial films with vertical microstructures hold great promise for various (multi)functional (e.g., multiferroic) electronic device applications. With the aim of creating addressable arrays, it is necessary to form spontaneously ordered structures over large areas. However, such structures have not, so far, been demonstrated. We have recently produced remarkable spontaneously ordered phase assemblies and find that these structures form concomitantly with 2-D vertical strain control, i.e., strain in the 2 phases is controlled along the vertical interface between them rather than being influenced by the substrate. In this paper, we report on our findings in the BiFeO 3 and BaTiO 3 ferroelectric systems.

Original languageEnglish
Article number5183579
Pages (from-to)1534-1538
Number of pages5
JournalIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume56
Issue number8
DOIs
StatePublished - Aug 2009

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