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Journal of Nanomaterials
Volume 2009 (2009), Article ID 429430, 5 pages
http://dx.doi.org/10.1155/2009/429430
Research Article

Fabrication and Transport Properties of Manganite-Polyacrylamide-Based Composites

1National Institute of Materials Physics, 105b Atomistilor street, Magurele 077125, Romania
2Horia Hulubei National Institute of Physics and Nuclear Engineering, 407 Atomistilor Street, 077125 Magurele, Romania
3Department of Natural and Synthetic Polymers, The “Gheorghe Asachi” Technical University of Lasi, 700050 Lasi, Romania

Received 15 October 2008; Revised 13 January 2009; Accepted 27 January 2009

Academic Editor: Alan K. T. Lau

Copyright © 2009 Viorel Sandu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We present the fabrication and transport properties of a series of composites made of and acrylamide-based copolymers. The most important result is the very narrow transition, of only 27 K, displayed by the peak that appears around the metal-insulator transition of the composites made with poly(acrylamide-vinylacetate). Although the amount of polymer is rather low, different copolymers change drastically the electric transport characteristics.