Polymer functionalization with manganites

V. Sandu; S. Popa; I. Ivan; C. Plapcianu; E. Sandu; N. Hurduc; I. Nor

doi:10.1117/12.843221

20 October 2009 Polymer functionalization with manganites

V. Sandu, S. Popa, I. Ivan, C. Plapcianu, E. Sandu, N. Hurduc, I. Nor

Proceedings Volume 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering; 74934F (2009) https://doi.org/10.1117/12.843221
Event: Second International Conference on Smart Materials and Nanotechnology in Engineering, 2009, Weihai, China

Abstract

We investigated the transport properties of a series of composites made of La_2/3Sr_1/3MnO₃ 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.

Citation Download Citation

V. Sandu, S. Popa, I. Ivan, C. Plapcianu, E. Sandu, N. Hurduc, and I. Nor "Polymer functionalization with manganites", Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 74934F (20 October 2009); https://doi.org/10.1117/12.843221

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