Authors: Nadia Mamana Nora Pellegri
Publish Date: 2015/03/03
Volume: 17, Issue: 3, Pages: 115-
Abstract
The current tendency toward miniaturization of electronic devices has driven the interest in developing ferroelectric materials in low dimensions In this work for the preparation of leadfree BaTiO3 nanoparticles we used a combination of the sol–gel method with the reverse micelles techniques Moreover previously to the thermal treatment it was necessary to remove the surfactant For this stage oleic acid was used to stabilize the nanoparticles in the solution Then nanometersized particles were deposited on different substrates Si Pt/TiO2/SiO2/Si The influence of different modes of deposition on particle size degree of agglomeration was analyzed The mean particle size was 10 nm Finally the deposition of BaTiO3 particles on a conductive substrate such as the wafer of platinum Pt/TiO2/SiO2/Si was confirmed by several AFM techniquesNM acknowledges CONICET by the postdoctoral scholarship The authors thank Julio Ferrón and Mario Paseggi IFISUNL for their assistance with the Kelvin Probe AFM technique and Nestor Delorenzi FCByFUNR for providing the DLS equipment The authors also thank CONICET and UNR for the financial support
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