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, Israel

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

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
Publication status	Published - Apr 2002

Keywords

BaTiO
Crystallization
Film-substrate interaction

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/S1369-8001(02)00111-7

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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.",

keywords = "BaTiO, Crystallization, Film-substrate interaction",

author = "Nair, {Jaya P.} and Natalie Stavitski and Vera Lyahovitskaya and Ilya Zon and Igor Lubomirsky",

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. Copyright: Copyright 2004 Elsevier Science B.V., Amsterdam. All rights reserved.",

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T1 - Structure of BaTiO3 thin films modified by film-substrate interaction

AU - Nair, Jaya P.

AU - Stavitski, Natalie

AU - Lyahovitskaya, Vera

AU - Zon, Ilya

AU - Lubomirsky, Igor

N1 - 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. Copyright: Copyright 2004 Elsevier Science B.V., Amsterdam. All rights reserved.

PY - 2002/4

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N2 - 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.

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.

KW - BaTiO

KW - Crystallization

KW - Film-substrate interaction

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