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Pressure effects on...
Pressure effects on electrical conductivities in intercalated graphite and doped polypyrrole
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- Lundberg, Bo (författare)
- Umeå universitet,Institutionen för fysik
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- Sundqvist, Bertil (författare)
- Umeå universitet,Institutionen för fysik
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Salaneck, William R. (författare)
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(creator_code:org_t)
- EDP Sciences, 1984
- 1984
- Engelska.
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Ingår i: Journal de Physique Colloque vol. 45. - : EDP Sciences. - 0449-1947. ; , s. 213-216
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Abstract
Ämnesord
Stäng
- We have measured the pressure dependence up to 2.5 GPa of the electrical resistance of the acceptor intercalated graphites CnFeCl3, CnSbF5, and CnHNO3. The slope of resistance versus pressure is approximately the same in all cases. Two different types of high pressure transitions are observed in CnSbF5 and CnHNO3. The results of electrical resistance measurements under pressure in polypyrrole are consistent with a simple extension of the variable-range-hopping model. We infer for this material that the density of states at the Fermi level increases with pressure.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- Electrical conductivity
- intercalation compound
- graphite
- FeCl3
- SbF5
- HNO3
- polypyrrole
- hopping conductivity
- high pressure
- Condensed matter physics
- Kondenserade materiens fysik
- fysik
- Physics
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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