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Metallic reflectance of AsF5-graphite intercalation compounds

Authors
Journal
Solid State Communications
0038-1098
Publisher
Elsevier
Publication Date
Volume
24
Issue
5
Identifiers
DOI: 10.1016/0038-1098(77)90986-3

Abstract

Abstract Room temperature measurements of the 0.07–2.0 eV optical reflectance of carefully prepared stage 1–4 AsF 5-graphite intercalation compounds have been performed. Stages 1–3 show simple metallic behavior with a well-defined plasma edge. Curve fits to the data give good agreement between dc and optical conductivities for stage 1 and 2. Comparison between stage 2 data for AsF 5 and HNO 3 compounds suggests that the higher conductivity of the former arises from a longer carrier relaxation time rather than from a greater carrier density.

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