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Proceedings Paper

Polymer functionalization with manganites
Author(s): V. Sandu; S. Popa; I. Ivan; C. Plapcianu; E. Sandu; N. Hurduc; I. Nor
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Paper Abstract

We investigated the transport properties of a series of composites made of La2/3Sr1/3MnO3 and different copolymers. The temperature dependence of the electrical resistance of the samples is strongly dependent on the nature of the polymers. We found four types of temperature dependences of the electrical resistance: i) simple current dependence of resistivity for poly(methyl-methacrylate-co-styrene) copolymers, ii) single peaked characteristics for poly(acryl amide-co-vinyl acetate), iii) multipeaked dependence found in poly(methyl-methacrylate-co-butadiene) and star type polysiloxane-gstyrene, and iv) current independent characteristics visible in the samples made with linear polysiloxane-based composites.

Paper Details

Date Published: 21 October 2009
PDF: 8 pages
Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 74934F (21 October 2009); doi: 10.1117/12.843221
Show Author Affiliations
V. Sandu, National Institute of Materials Physics (Romania)
S. Popa, National Institute of Materials Physics (Romania)
I. Ivan, National Institute of Materials Physics (Romania)
C. Plapcianu, National Institute of Materials Physics (Romania)
E. Sandu, National Institute of Physics and Nuclear Engineering (Romania)
N. Hurduc, Technical Univ. Gheorghe Asachi (Romania)
I. Nor, Technical Univ. Gheorghe Asachi (Romania)


Published in SPIE Proceedings Vol. 7493:
Second International Conference on Smart Materials and Nanotechnology in Engineering
Jinsong Leng; Anand K. Asundi; Wolfgang Ecke, Editor(s)

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