Depoling a ferroelectric capacitor

M. J. Higgins; A. Krishnan; M. M.J. Treacy; S. Bhattacharya

doi:10.1063/1.1476063

Depoling a ferroelectric capacitor

M. J. Higgins, A. Krishnan, M. M.J. Treacy, S. Bhattacharya

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

7 Scopus citations

Abstract

A "shrinking hysteresis loop" method, analogous to degaussing a ferromagnet, is used to depolarize a ferroelectric thin film and reach the origin, nominally the zero polarization-zero applied field state. Scanning piezoresponse imaging of the depoled state shows fragmentation into domains of up and down polarization that constitute the zero polarization state. Furthermore, the depoling method improves the left-right symmetry of the coercive field in "imprinted" samples.

Original language	English (US)
Pages (from-to)	3373-3375
Number of pages	3
Journal	Applied Physics Letters
Volume	80
Issue number	18
DOIs	https://doi.org/10.1063/1.1476063
State	Published - May 6 2002
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.1476063

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AB - A "shrinking hysteresis loop" method, analogous to degaussing a ferromagnet, is used to depolarize a ferroelectric thin film and reach the origin, nominally the zero polarization-zero applied field state. Scanning piezoresponse imaging of the depoled state shows fragmentation into domains of up and down polarization that constitute the zero polarization state. Furthermore, the depoling method improves the left-right symmetry of the coercive field in "imprinted" samples.

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Depoling a ferroelectric capacitor

Abstract

ASJC Scopus subject areas

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