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January 25th, 2010

Low-Temperature Sputtering Deposition of Aligned Polycrystalline CaCu3Ti4O12 Nanorods

Published on January 25th, 2010 | By: pwray@ceramics.org

Volume 93 Issue 1, Pages 51 – 54

 

Ednan Joanni, Raluca Savu, Bostjan Jančar, Paulo R. Bueno, José A. Varela
Published Online: Oct 23 2009 10:55AM
DOI: 10.1111/j.1551-2916.2009.03390.x

 

ABSTRACT
Vertically aligned polycrystalline CaCu3Ti4O12 nanorods were obtained by rf sputtering at low substrate temperatures. The rods grow by electrostatic attraction and aggregation of charged clusters, independently of the substrate used. These nanostructures exhibit a strong nonlinear current × voltage behavior and high losses during cyclic testing, indicating a combination of Schottky’s barrier and Joule’s heating effects.

 

Online Access to Journal of the American Ceramic Society


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