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

Mark Brazier; M. McElfresh; Said Mansour

doi:10.1063/1.120943

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

Mark Brazier, M. McElfresh, Said Mansour

Research output: Contribution to journal › Article

109 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 language	English
Pages (from-to)	1121-1123
Number of pages	3
Journal	Applied Physics Letters
Volume	72
Issue number	9
DOIs	https://doi.org/10.1063/1.120943
Publication status	Published - 1 Dec 1998

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ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

Cite this

Brazier, M., McElfresh, M., & Mansour, S. (1998). Unconventional hysteresis behavior in compositionally graded Pb(Zr,Ti)O₃ thin films. Applied Physics Letters, 72(9), 1121-1123. https://doi.org/10.1063/1.120943

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10.1063/1.120943