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

^*Corresponding author for this work

Purdue University

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

112 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 - 1998
Externally published	Yes

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

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.",

author = "Mark Brazier and M. McElfresh and Said Mansour",

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AU - Brazier, Mark

AU - McElfresh, M.

AU - Mansour, Said

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Y1 - 1998

N2 - 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.

AB - 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.

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 9

ER -

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

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