Electrical transport in metal (M = Cu, Cd, Pd) chloroaluminate intercalated graphite

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作者
Polo, V. [1 ]
Lelaurain, M. [1 ]
Vangelisti, R. [1 ]
McRae, E. [1 ]
机构
[1] Universite de Nancy I, Vandoeuvre les Nancy, France
关键词
Aluminum compounds - Anisotropy - Cadmium compounds - Chlorine compounds - Copper compounds - Doping (additives) - Electric conductivity of solids - Graphite - Order disorder transitions - Palladium compounds - Thermal effects;
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摘要
This paper examines the in-plane and c axis electrical resistivities, ρa and ρc, from 4.2 to 295 K for first stage MxAl2Cl8 GICs where M = Cu, Cd or Pd. It is found that dρ/dT>0 for all cases in both directions. Particularly high values of ρc and anisotropy (ρc/ρa) are found for the Pd containing materials, exceeding 5 Ω.cm and 106 at 4.2 K respectively. The magnetic ordering observed elsewhere in the Cu-containing materials does not appear to influence the transport in either direction.
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页码:75 / 80
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