The influence of the Ti/Ba ratio on the formation of pyroelectric and piezoelectric quasi-amorphous films of BaTiO3

David Ehre; Vera Lyahovitskaya; Igor Lubomirsky

doi:10.1557/jmr.2007.0342

The influence of the Ti/Ba ratio on the formation of pyroelectric and piezoelectric quasi-amorphous films of BaTiO₃

David Ehre
, Vera Lyahovitskaya
, Igor Lubomirsky

Weizmann Institute of Science

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

6 Scopus citations

Abstract

The influence of the Ti/Ba ratio on the formation of pyroelectric and piezoelectric quasi-amorphous BaTiO₃ films was investigated. Three types of films, Ti-rich, Ba-rich, and stoichiometric, were pulled through a temperature gradient or subjected to isothermal heating. The quasi-amorphous polar phase only formed in films pulled through the temperature gradient with Ti/Ba ratio within the broad range of 0.95-1.1. This implies that quasi-amorphous pyroelectric and piezoelectric thin films are significantly more tolerant of a deviation from stoichiometry than their crystalline counterparts.

Original language	English
Pages (from-to)	2742-2746
Number of pages	5
Journal	Journal of Materials Research
Volume	22
Issue number	10
DOIs	https://doi.org/10.1557/jmr.2007.0342
State	Published - Oct 2007
Externally published	Yes

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The influence of the Ti/Ba ratio on the formation of pyroelectric and piezoelectric quasi-amorphous films of BaTiO₃

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