Electro-optical properties of Zno-BaTiO3-ZnO heterostructures grown by pulsed laser deposition

M. Schubert, N. Ashkenov, T. Hofmann, M. Lorenz, H. Hochmuth, H. V. Wenckstern, M. Grundmann, G. Wagner

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

Electro-optical birefringence measurements by spectroscopic ellipsometry on ZnO-BaTiO3 -ZnO heterostructures, grown by pulsed laser deposition on (0001) sapphire are reported. Wurtzite-structure ZnO layers serve as transparent conducting electrodes. An interesting hysteresis is observed, tentatively assigned due to coupling between wurtzite and ferroelectric polarization, and ferroelectric phase transition.

Original languageEnglish (US)
Pages (from-to)61-62
Number of pages2
JournalAnnalen der Physik (Leipzig)
Volume13
Issue number1-2
DOIs
StatePublished - 2004
Externally publishedYes

Keywords

  • BaTiO
  • Electro-optic birefringence
  • Ellipsometry
  • Spontaneous polarization
  • ZnO

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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