Positive Magnetoresistances of Carbon Fibers

概要

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Magnetoresistances (MR) of pitch based carbon fibers annealed at 1OO0'C andI200'C were measured at temperatures T from 2 to 30 K. Magnetic flux density B upto 1 T was applied parallel to the fiber axis. The MR's were positive and were propor-tional to B'T "'. The positive MR's were well described by the theory of Coulomb interactions including spin splitting of a weakly disordered electron gas in three dimensions which has been investigated by Lee and Ramakrishnan, Kawabata, and lsawa etal.positive magnetoresistance, spin, carbon fiber, coulomb interaction
社団法人日本物理学会の論文
1990-07-15