Self-organization of ferroelectric grains in self-supported nanocrystalline films

V. Lyahovitskaya; Y. Feldman; E. Wachtel; M. Greenberg; I. Zon; I. Lubomirsky

doi:10.1016/j.mseb.2004.12.091

Self-organization of ferroelectric grains in self-supported nanocrystalline films

V. Lyahovitskaya, Y. Feldman, E. Wachtel, M. Greenberg, I. Zon, I. Lubomirsky

Weizmann Institute of Science, Israel

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

2 Citations (Scopus)

Abstract

The dielectric properties of self-supported tethered ferroelectric films were investigated. It was found that the films possess a dielectric constant of more than 2500 and a pyroelectric coefficient comparable with that of a single BaTiO₃ crystal. The temperature and frequency dependence of the dielectric and pyroelectric properties suggest that some self-organization of the ferroelectric domains occurs. In this view one may expect that electromechanical (piezoelectric coupling) is responsible for the observed behavior.

Original language	English
Pages (from-to)	12-14
Number of pages	3
Journal	Materials Science and Engineering B: Solid-State Materials for Advanced Technology
Volume	118
Issue number	1-3
DOIs	https://doi.org/10.1016/j.mseb.2004.12.091
Publication status	Published - Apr 25 2005

Keywords

Ferroelectric
Nanocrystalline
Pyroelectric

ASJC Scopus subject areas

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

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AU - Feldman, Y.

AU - Wachtel, E.

AU - Greenberg, M.

AU - Zon, I.

AU - Lubomirsky, I.

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AB - The dielectric properties of self-supported tethered ferroelectric films were investigated. It was found that the films possess a dielectric constant of more than 2500 and a pyroelectric coefficient comparable with that of a single BaTiO3 crystal. The temperature and frequency dependence of the dielectric and pyroelectric properties suggest that some self-organization of the ferroelectric domains occurs. In this view one may expect that electromechanical (piezoelectric coupling) is responsible for the observed behavior.

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