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, Israel

Research output: Contribution to journal › Conference article

10 Citations (Scopus)

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: Solid-State Materials for Advanced Technology
Volume	109
Issue number	1-3
DOIs	https://doi.org/10.1016/j.mseb.2003.10.038
Publication status	Published - Jun 15 2004
Event	EMRS 2003, Symposium I, Funtional Metal Oxides - Semiconductors - Strasbourg, France Duration: Jun 10 2003 → Jun 13 2003

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Keywords

Amorphous state
Pyroelectricity

ASJC Scopus subject areas

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

Cite this

Lyahovitskaya, V., Zon, I., Feldman, Y., Cohen, S., & Lubomirsky, I. (2004). Non-crystalline pyroelectric BaTiO₃ thin films. Materials Science and Engineering B: Solid-State Materials for Advanced Technology, 109(1-3), 167-169. https://doi.org/10.1016/j.mseb.2003.10.038

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AU - Zon, I.

AU - Feldman, Y.

AU - Cohen, S.

AU - Lubomirsky, I.

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AB - 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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KW - Pyroelectricity

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Access to Document

10.1016/j.mseb.2003.10.038