Unconventional hysteresis behavior in compositionally graded Pb(Zr,Ti)O3 thin films

Mark Brazier, M. McElfresh, Said Mansour

Research output: Contribution to journalArticle

107 Citations (Scopus)

Abstract

Thin-film lead-zirconate-titanate (PZT) capacitors with composition gradients normal to the substrate were fabricated via a novel technique using pulsed laser deposition. These capacitors exhibited large polarization offsets when driven by an alternating electric field. The direction of the offsets depended on the direction of the gradient with respect to the substrate. The largest offset, greater than 400μC/cm2 when driven with a 50 V/μm field, was nearly an order of magnitude greater than any reported for other graded ferroelectric films. This difference is attributed to both the high spontaneous polarization of PZT and the high-quality films obtained by pulsed laser deposition.

Original languageEnglish
Pages (from-to)1121-1123
Number of pages3
JournalApplied Physics Letters
Volume72
Issue number9
DOIs
Publication statusPublished - 1 Dec 1998
Externally publishedYes

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pulsed laser deposition
capacitors
hysteresis
gradients
polarization
thin films
electric fields

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Unconventional hysteresis behavior in compositionally graded Pb(Zr,Ti)O3 thin films. / Brazier, Mark; McElfresh, M.; Mansour, Said.

In: Applied Physics Letters, Vol. 72, No. 9, 01.12.1998, p. 1121-1123.

Research output: Contribution to journalArticle

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