Structure of BaTiO3 thin films modified by film-substrate interaction

Jaya P. Nair, Natalie Stavitski, Vera Lyahovitskaya, Ilya Zon, Igor Lubomirsky

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Substrate-free crystallization of BaTiO3 thin films was investigated. It was found that the substrate-free crystallized BaTiO3 films attain a hexagonal structure, whereas the substrate-supported films always crystallize in the tetragonal phase. The substrate-free crystallized hexagonal BaTiO3 demonstrates detectable pyroelectric effect and does not exhibit phase transitions in the 25-423 K temperature range. Therefore, the substrate-free crystallized BaTiO3 represents a previously unreported phase of BaTiO3.

Original languageEnglish
Pages (from-to)195-197
Number of pages3
JournalMaterials Science in Semiconductor Processing
Volume5
Issue number2-3
DOIs
StatePublished - Apr 2002
Externally publishedYes

Bibliographical note

Funding Information:
This work was supported by the Israel Science Foundation and US-Israel Binational Science foundation. I. Zon thanks the Israeli Ministry of Absorption for partial support.

Keywords

  • BaTiO
  • Crystallization
  • Film-substrate interaction

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