Adsorbate Screening of Surface Charge of Microscopic Ferroelectric Domains in Sol–Gel PbZr$_{0.2}$ Ti$_{0.8}$ O$_3$ Thin Films - Archive ouverte HAL Access content directly
Journal Articles ACS Applied Materials & Interfaces Year : 2017

Adsorbate Screening of Surface Charge of Microscopic Ferroelectric Domains in Sol–Gel PbZr$_{0.2}$ Ti$_{0.8}$ O$_3$ Thin Films

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Abstract

We present a study of adsorbate screening of surface charge in microscopic ferroelectric domains in a sol−gel grown PbZr$_{0.2}$ Ti$_{0.8}$ O$_3$ thin film. Low-energy and photoemission electron microscopies were employed to characterize the temperature dependence of surface charge and polarization of ferroelectric domains written by atomic force microscopy. We study the role of charged adsorbates in screening of polarization-bound charges. We demonstrate that full-field electron microscopy is suitable for the determination of ferroelectric system properties such as the Curie temperature.
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Dates and versions

cea-01591642 , version 1 (21-09-2017)

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O. Copie, Nicolas Chevalier, Gwenael Le Rhun, Cindy Lynn Rountree, Dominique Martinotti, et al.. Adsorbate Screening of Surface Charge of Microscopic Ferroelectric Domains in Sol–Gel PbZr$_{0.2}$ Ti$_{0.8}$ O$_3$ Thin Films. ACS Applied Materials & Interfaces, 2017, 9 (34), pp.29311 - 29317. ⟨10.1021/acsami.7b08925⟩. ⟨cea-01591642⟩
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