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# Anomalous Efros–Shklovskii variable range hopping conduction in composites of polymer and iron carbide nanoparticles 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 nanoparticles embedded in carbon. In: Physics Letters A, 360 (2). pp. 390-393.

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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 nanoparticles 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 (\rho0) as temperature decreases.

Item Type: Journal Article Copyright of this article belongs to Elsevier Transport properties; Variable range hopping; Magnetoresistance; Division of Physical & Mathematical Sciences > Physics 14 Mar 2007 19 Sep 2010 04:34 http://eprints.iisc.ernet.in/id/eprint/9705

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