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dc.contributor.authorMa, Chunrui
dc.contributor.authorMa, Beihai
dc.contributor.authorMi, Shao-Bo
dc.contributor.authorLiu, Ming
dc.contributor.authorWu, Judy Z.
dc.identifier.citationMa, Chunrui, Beihai Ma, Shao-Bo Mi, Ming Liu, and Judy Wu. "Enhanced Dielectric Nonlinearity in Epitaxial Pb0.92La0.08Zr0.52Ti0.48O3 Thin Films." Appl. Phys. Lett. Applied Physics Letters 104.16 (2014): 162902.
dc.descriptionThis is the published version. Copyright 2014 American Institute of Physicsen_US
dc.description.abstractHigh quality c-axis oriented epitaxial Pb 0.92La0.08Zr0.52Ti0.48O3 films were fabricated using pulsed laser deposition on (001) LaAlO3 substrates with conductive LaNiO3 buffers. Besides confirmation of the in-plane and out-of-plane orientations using X-ray diffraction, transmission electron microscopy study has revealed columnar structure across the film thickness with column width around 100 nm. Characterization of ferroelectric properties was carried out in comparison with polycrystalline Pb 0.92La0.08Zr0.52Ti0.48O3 films to extract the effect of epitaxial growth. It is found that the ratio between the irreversible Rayleigh parameter and reversible parameter increased up to 0.028 cm/kV at 1 kHz on epitaxial samples, which is more than twice of that on their polycrystalline counterparts. While this ratio decreased to 0.022 cm/kV with increasing frequency to100 kHz, a much less frequency dependence was observed as compared to the polycrystalline case. The epitaxial Pb 0.92La0.08Zr0.52Ti0.48O3 films exhibited a higher mobility of domain wall and the higher extrinsic contribution to the dielectric properties, as well as reduced density of defects, indicating that it is promising for tunable and low power consumption devices.en_US
dc.publisherAmerican Institute of Physicsen_US
dc.subjectDielectric thin filmsen_US
dc.subjectThin filmsen_US
dc.subjectFerroelectric thin filmsen_US
dc.titleEnhanced dielectric nonlinearity in epitaxial Pb0.92La0.08Zr0.52Ti0.48O3 thin filmsen_US
kusw.kuauthorWu, Judy
kusw.kudepartmentMedicinal Chemistryen_US
kusw.oanotesPer SHERPA/RoMEO, 12/29/15: Author's Pre-print: green tick author can archive pre-print (ie pre-refereeing) Author's Post-print: green tick author can archive post-print (ie final draft post-refereeing) Publisher's Version/PDF: green tick author can archive publisher's version/PDF General Conditions:

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kusw.oaversionScholarly/refereed, publisher version
kusw.oapolicyThis item meets KU Open Access policy criteria.

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