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Conductivity anisotropy in AsF5— intercalated graphite

Authors
Journal
Journal of Physics and Chemistry of Solids
0022-3697
Publisher
Elsevier
Publication Date
Volume
48
Issue
10
Identifiers
DOI: 10.1016/0022-3697(87)90133-8
Keywords
  • Anisotropy
  • Arsenic Pentafluoride
  • Electrical Conductivity
  • Graphite Intercalation
  • Phase Transition

Abstract

Abstract The electrical resistivity from 295 to 4.2 K both parallel (ρ a ) and perpendicular (ρ c ) to the basal planes has been examined in 1st and 2nd stage AsF 5-intercalated graphite. The room temperature value of the anisotropy (ρ c /ρ a ) is greater than 10 6 in all cases; it decreases slightly for stage 1 and increases for stage 2 at liquid helium temperature. The anomalous changes in ρ a ( T) and ρ c ( T) are shown to be related to phase segregation into AsF 5 and AsF − 6 rich regions.

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