Structure of BaTiO3 thin films modified by film-substrate interaction

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

doi:10.1016/s1369-8001(02)00111-7

Structure of BaTiO₃ thin films modified by film-substrate interaction

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

Weizmann Institute of Science

Research output: Contribution to journal › Article › peer-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 language	English
Pages (from-to)	195-197
Number of pages	3
Journal	Materials Science in Semiconductor Processing
Volume	5
Issue number	2-3
DOIs	https://doi.org/10.1016/s1369-8001(02)00111-7
State	Published - Apr 2002
Externally published	Yes

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.

Funding

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.

Funders	Funder number
United States-Israel Binational Science Foundation
Israel Science Foundation

Keywords

BaTiO
Crystallization
Film-substrate interaction

Access to Document

10.1016/s1369-8001(02)00111-7

Cite this

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title = "Structure of BaTiO3 thin films modified by film-substrate interaction",

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.",

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AU - Lyahovitskaya, Vera

AU - Zon, Ilya

AU - Lubomirsky, Igor

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AB - 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.

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