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Pulsed-magnetic-field measurements of Hall potential oscillations in α(BEDTTTF)2TlHg(SCN)4 within the quantum Hall regime

M. M. Honold, N. Harrison, J. Singleton, M.-S. Nam, S. J. Blundell, C. H. Mielke, M. V. Kartsovnik, and N. D. Kushch
Phys. Rev. B 59, R10417(R) – Published 15 April 1999
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Abstract

Using a variant of the Corbino geometry in pulsed magnetic fields of up to 60 T, we have made direct measurements of the Hall potential in α(BEDTTTF)2TlHg(SCN)4 within the quantum Hall regime. This method enables the in-plane components of the resistivity tensor, which are normally very difficult to measure, to be investigated and the nonlinear behavior of the sample’s IV characteristics to be studied. It is found that an increasing probability of magnetic breakdown at higher fields leads to a degradation of the quantum Hall effect.

  • Received 5 August 1998

DOI:https://doi.org/10.1103/PhysRevB.59.R10417

©1999 American Physical Society

Authors & Affiliations

M. M. Honold

  • Department of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, United Kingdom

N. Harrison

  • National High Magnetic Field Laboratory (NHMFL), LANL, MS-E536, Los Alamos, New Mexico 87545

J. Singleton, M.-S. Nam, and S. J. Blundell

  • Department of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, United Kingdom

C. H. Mielke

  • National High Magnetic Field Laboratory (NHMFL), LANL, MS-E536, Los Alamos, New Mexico 87545

M. V. Kartsovnik

  • Walther-Meissner-Institut, Walther-Meissner-Strasse 8, D-85748 Garching, Germany

N. D. Kushch

  • Institute of Chemical Physics Research, Russian Academy of Science, Chernogolovka, 142432 Russian Federation

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Vol. 59, Iss. 16 — 15 April 1999

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