Reentrant Metallic Behavior of Graphite in the Quantum Limit

Y. Kopelevich, J. H. S. Torres, R. R. da Silva, F. Mrowka, H. Kempa, and P. Esquinazi
Phys. Rev. Lett. 90, 156402 – Published 17 April 2003

Abstract

Magnetotransport measurements performed on several well-characterized highly oriented pyrolitic graphite and single crystalline Kish graphite samples reveal a reentrant metallic behavior in the basal-plane resistance at high magnetic fields, when only the lowest Landau levels are occupied. The results suggest that the quantum Hall effect and Landau-level-quantization-induced superconducting correlations are relevant to understand the metalliclike state(s) in graphite in the quantum limit.

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  • Received 17 September 2002

DOI:https://doi.org/10.1103/PhysRevLett.90.156402

©2003 American Physical Society

Authors & Affiliations

Y. Kopelevich, J. H. S. Torres, and R. R. da Silva

  • Instituto de Física “Gleb Wataghin,” Universidade Estadual de Campinas, Unicamp 13083-970, Campinas, São Paulo, Brasil

F. Mrowka, H. Kempa, and P. Esquinazi

  • Abteilung Supraleitung und Magnetismus, Institut für Experimentelle Physik II, Universität Leipzig, Linnéstrasse 5, D-04103 Leipzig, Germany

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Issue

Vol. 90, Iss. 15 — 18 April 2003

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