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Galvanomagnetic Properties of Graphite Fibers
Author(s) -
Kulbachinskii V. A.
Publication year - 1989
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221510122
Subject(s) - graphite , condensed matter physics , electrical resistivity and conductivity , electron , superconductivity , intercalation (chemistry) , conductivity , materials science , weak localization , quantum hall effect , magnetoresistance , composite material , physics , magnetic field , quantum mechanics
Using physical parameters extracted from the experimental studies of the negative magneto‐resistance the phenomena of resistivity rise with decreasing temperature and the subsequent onset of superconductivity at low temperature found in graphite fibers with NbC are explained by the electron‐electron interaction effect within the weak‐localization regime. It is shown that the galvanomagnetic properties of PAN‐, pitch‐, rayon‐based fibers before and after intercalation at low temperature can be explained completely by quantum corrections to the conductivity for the two‐dimensional case.