Growth of epitaxial {100}-oriented KNbO3-NaNbO3 Solid Solution Films on (100)c SrRuO3//(100)SrTiO3 by hydrothermal method and their characterization

Takahisa Shiraishi, Hiro Einishi, Shintaro Yasui, Mutsuo Ishikawa, Tomohito Hasegawa, Minoru Kurosawa, Hiroshi Uchida, Yukio Sakashita, Hiroshi Funakubo

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31 Citations (Scopus)

Abstract

Films of solid solution in KNbO3-NaNbO3 (KNN) were deposited at 240 °C on (100)c SrRuO3//(100)SrTiO 3 substrates by the hydrothermal method. (KxNa 1-x)NbO3 films with x = 0-1.0 were synthesized by changing the fraction of KOH in a solution of KOH and NaOH. The x in (K xNa1-x)NbO3 continuously changed with the volume fraction of KOH, while the deposition amount strongly depended on x. Epitaxial films with {100} orientation were obtained in the entire composition range and their out-of-plane lattice spacing changed with x. All the films showed ferroelectricity and their remanent polarization became larger than what above x = 0.58.

Original languageEnglish
Article number09ND11
JournalJapanese journal of applied physics
Volume50
Issue number9 PART 3
DOIs
Publication statusPublished - 2011 Sep 1
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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