Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2006-03-07
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
3 figures, to be published in Solid State Communication (2006)
Scientific paper
10.1016/j.ssc.2006.02.020
We present Hall effect measurements on highly oriented pyrolytic graphite that indicate the occurrence of the integer quantum-Hall-effect. The evidence is given by the observation of regular plateau-like structures in the field dependence of the transverse conductivity obtained in van der Pauw configuration. Measurements with the Corbino-disk configuration support this result and indicate that the quasi-linear and non-saturating longitudinal magnetoresistance in graphite is governed by the Hall effect in agreement with a recent theoretical model for disordered semiconductors.
Esquinazi Pablo
Kempa H.
Kopelevich Yakov
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