Graphite carrier locations and quantum transport to 10 T (100 kG)

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The magnetoresistance, Hall effect, thermopower, thermal resistivity, and Nernst-Ettings-hausen effects are measured in magnetic fields to 10.3 T (103 kG) and at temperatures between 1.1 and 4.2 K. Samples are highly ordered pressure-annealed pyrolytic graphite. The major results are that majority-carrier electrons and holes are assigned to specific locations in the Brillouin zone; the electrons are assigned to be around the center of the zone edge (point K). The first observation of spin-split Landau levels is made. A study of distorted line shapes of thermopower quantum oscillations shows agreement with a theory by Horton. Sugihara and Ono's theory, predicting field values for Landau level crossings of the Fermi energy in graphite, is confirmed for fields below 4 T.

Original languageEnglish (US)
Pages (from-to)1148-1159
Number of pages12
JournalPhysical Review B
Issue number4
StatePublished - 1971
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics


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