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Type: Artigo de periódico
Title: Electrical Resistivity In The C-axis Direction Of The Zncl2 Graphite Intercalation Acceptor Compound
Author: Silva M.P.
Santos C.
Gualberto G.M.
Hengeltraub A.
Abstract: The c-axis electrical resistivity of the stage-4 acceptor ZnCl2 graphite intercalated compound (GIC) has been measured in the temperature range (4.2-300)K. The obtained values are larger than those of Highly Oriented Pyrolytic Graphite (HOPG). Evidence for a change in the observed metallic tendency at 97K and a possible order-disorder transition at about 187K are also presented. According to a model by Sugihara, the conduction mechanism is a hopping process activated by phonons and impurities. In our sample, the activation by impurities is predominant over the whole temperature range. © 1994.
Rights: fechado
Identifier DOI: 10.1016/0008-6223(94)90049-3
Date Issue: 1994
Appears in Collections:Unicamp - Artigos e Outros Documentos

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