Non-crystalline pyroelectric BaTiO3 thin films

V. Lyahovitskaya; I. Zon; Y. Feldman; S. Cohen; I. Lubomirsky

doi:10.1016/j.mseb.2003.10.038

Non-crystalline pyroelectric BaTiO₃ thin films

V. Lyahovitskaya, I. Zon, Y. Feldman, S. Cohen, I. Lubomirsky

Weizmann Institute of Science

Research output: Contribution to journal › Conference article › peer-review

11 Scopus citations

Abstract

Quasi-amorphous BaTiO₃ thin films demonstrate pyroelectricity and piezoelectricity of a magnitude of 5-15% of bulk BaTiO₃, despite the fact that X-ray and electron diffraction data do not reveal detectable crystallites in this material. Therefore, the pyroelectric and piezoelectric effects must be attributed to a local dipole ordering, which is induced by the high compressive stress in the films. The non-crystalline films were prepared by passing amorphous BaTiO₃ layers deposited on a Si(1 0 0) substrate through a temperature gradient.

Original language	English
Pages (from-to)	167-169
Number of pages	3
Journal	Materials Science and Engineering: B
Volume	109
Issue number	1-3
DOIs	https://doi.org/10.1016/j.mseb.2003.10.038
State	Published - 15 Jun 2004
Externally published	Yes
Event	EMRS 2003, Symposium I, Funtional Metal Oxides - Semiconductors - Strasbourg, France Duration: 10 Jun 2003 → 13 Jun 2003

Bibliographical note

Funding Information:
We would like to express our deepest appreciation to Prof. Oscar Stafsudd of UCLA and Prof. Darrel Schlom of the Penn State University, for very fruitful discussions and help with the data analysis. This work was supported by the Israel Science Foundation and US–Israel Binational Science Foundation. I.Z. thanks Israeli ministry of the Immigrant Absorption for the partial support. I.L. is incumbent of the Helen and Milton Kimmelman Carrier Development Chair.

Funding

We would like to express our deepest appreciation to Prof. Oscar Stafsudd of UCLA and Prof. Darrel Schlom of the Penn State University, for very fruitful discussions and help with the data analysis. This work was supported by the Israel Science Foundation and US–Israel Binational Science Foundation. I.Z. thanks Israeli ministry of the Immigrant Absorption for the partial support. I.L. is incumbent of the Helen and Milton Kimmelman Carrier Development Chair.

Funders	Funder number
US-Israel Binational Science Foundation
Israel Science Foundation

Keywords

Amorphous state
Pyroelectricity

Access to Document

10.1016/j.mseb.2003.10.038

Cite this

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abstract = "Quasi-amorphous BaTiO3 thin films demonstrate pyroelectricity and piezoelectricity of a magnitude of 5-15% of bulk BaTiO3, despite the fact that X-ray and electron diffraction data do not reveal detectable crystallites in this material. Therefore, the pyroelectric and piezoelectric effects must be attributed to a local dipole ordering, which is induced by the high compressive stress in the films. The non-crystalline films were prepared by passing amorphous BaTiO3 layers deposited on a Si(1 0 0) substrate through a temperature gradient.",

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AU - Zon, I.

AU - Feldman, Y.

AU - Cohen, S.

AU - Lubomirsky, I.

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