4.8 Article

Labile Ferroelastic Nanodomains in Bilayered Ferroelectric Thin Films

Journal

ADVANCED MATERIALS
Volume 21, Issue 34, Pages 3497-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200803701

Keywords

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Funding

  1. NEDO
  2. ARC Discovery Grant [DP0666231]
  3. LIEF [LE0668257]
  4. ARC-ARNAM overseas travel award
  5. Science and Engineering Research Council - A*Star, Singapore [0521010047]
  6. National University of Singapore
  7. NSF MRSEC [DMR 0520471, ARO W911NF-071-1-0410]
  8. Japan Society for the Promotion of Science
  9. Australian Research Council [DP0666231] Funding Source: Australian Research Council

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Bilayered Pb(Zr(1-x),Ti-x)O-3 ferroelectric thin film heterostructures show complex ferroelastic nanodomain patterns. These ferroelastic nanodomains exist only in the upper layer, and hence are able to move under the application of an external electric field. Quantitative analysis reveals an enhanced piezoelectric coefficient of similar to 220 pm V-1, rendering them attractive for a variety of electromechanical devices.

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