Tunneling conduction in Co‐cluster/tetraoctylammonium bromide/poly(phenyl‐p‐phenylenevinylene) nanocomposites

Autor:	Friedrich Hensel, Manfred T. Reetz, S. D. Baranovskii, Stefan A. Quaiser, Jörg August Becker, G.‐F. Hohl
Rok vydání:	1995
Předmět:	Nanocomposite Materials science Analytical chemistry General Physics and Astronomy chemistry.chemical_element Activation energy Dielectric Conductivity Thermal conduction chemistry.chemical_compound chemistry Electrical resistivity and conductivity Tetraoctylammonium bromide Cobalt
Zdroj:	Journal of Applied Physics. 78:7130-7136
ISSN:	1089-7550 0021-8979
DOI:	10.1063/1.360420
Popis:	A system of nanometer sized cobalt clusters surrounded by dielectric shells has been investigated by electrical dc conductivity measurements. The cobalt clusters have a diameter of 36 A and are surrounded by an approximately 12‐A‐thick layer of tetra‐octyl‐ammonium bromide surfactant molecules and poly(phenyl‐p‐phenylenevinylene). The conductivity σ shows a temperature dependence ln(σ)∝(T0/T)1/2 in the range 100
Databáze:	OpenAIRE
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