Adsorbate Screening of Surface Charge of Microscopic Ferroelectric Domains in Sol–Gel PbZr$_{0.2}$ Ti$_{0.8}$ O$_3$ Thin Films - CEA - Commissariat à l’énergie atomique et aux énergies alternatives Accéder directement au contenu
Article Dans Une Revue ACS Applied Materials & Interfaces Année : 2017

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

Résumé

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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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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