Abstract
The magnetoresistance of thin graphite single crystals with columnar defects has been studied. The field-periodic contribution to the magnetoresistance with a period of 7.5 T has been revealed. The atomic force microscope estimation of the columnar defect diameter shows that the period of the contribution oscillatory as a function of the flux is close to hc/e per defect. The result agrees with the measurements of Aharonov-Bohm magnetoresistance oscillations in graphene mesoscopic rings [S. Russo et al., Phys. Rev. B 77, 085413 (2008)].
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Original Russian Text © Yu.I. Latyshev, A.Yu. Latyshev, A.P. Orlov, A.A. Shchekin, V.A. Bykov, P. Monceau, K. van der Beck, M. Kontsikovskii, I. Monnet, 2009, published in Pis’ma v Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2009, Vol. 90, No. 6, pp. 526–530.
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Latyshev, Y.I., Latyshev, A.Y., Orlov, A.P. et al. Field-periodic magnetoresistance oscillations in thin graphite single crystals with columnar defects. Jetp Lett. 90, 480–484 (2009). https://doi.org/10.1134/S0021364009180167
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DOI: https://doi.org/10.1134/S0021364009180167