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Anomalous Efros-Shklovskii- Variable range hopping conduction in composites of polymer and iron carbide nanoparticle embedded in carbon

Shekhar, S and Prasad, V and Subramanyam, SV (2006) Anomalous Efros-Shklovskii- Variable range hopping conduction in composites of polymer and iron carbide nanoparticle embedded in carbon. [Preprint]

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Abstract

Efros - Shklovskii variable range hopping (ES-VRH) conduction mechanism $[\rho = \rho_0{exp}{(T_{ES}/T)^{1/2}}]$ is observed in composites of polymer and iron carbide nanoparticle embedded in carbon relatively at high temperatures. A crossover from one ES-VRH type to another ES-VRH type is observed with different ES temperature $(T_{ES})$ and prefactor $(\rho_0)$ as temperature decreases.

Item Type: Preprint
Keywords: Transport properties;Variable range hopping; Magnetoresistance
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 22 Aug 2006
Last Modified: 19 Sep 2010 04:31
URI: http://eprints.iisc.ernet.in/id/eprint/8359

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