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Phase transitions in [001]-oriented morphotropic PbZr0.52Ti 0.48O3 thin film deposited onto SrTiO3-buffered Si substrate

  • Yin Shi
  • , M. Cueff
  • , Gang Niu
  • , G. Le Rhun
  • , B. Vilquin
  • , G. Saint Girons
  • , R. Bachelet
  • , B. Gautier
  • , Y. Robach
  • , P. Gemeiner
  • , N. Guiblin
  • , E. Defay
  • , B. Dkhil
  • Commissariat à l’énergie atomique et aux énergies alternatives
  • CNRS UMR 5270
  • Laboratoire Structures, Propriétés et Modélisation des Solides

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

An 85 nm-thick morphotropic PbZr0.52Ti0.48O 3 (PZT) film grown epitaxially and [001]-oriented onto a SrTiO 3-buffered Si-wafer is investigated using temperature dependent X-ray diffraction. Two phase transitions, at Trt ∼ 500 K and T c ∼ 685 K, are evidenced and are attributed to structural phase transitions from monoclinic-like to tetragonal-like phase and from tetragonal to paraelectric phase, respectively. The stronger upper shift of Trt value with respect to the bulk one and the weakly affected Tc (T c bulk ∼ 665 K) are explained assuming misfit strain changes when crossing Trt. This finding opens new perspectives for piezoelectric PZT films in harsh applications.

Original languageEnglish
Article number214108
JournalJournal of Applied Physics
Volume115
Issue number21
DOIs
StatePublished - 7 Jun 2014
Externally publishedYes

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