Stabilizing the Metallic State in a Quasi-Two-Dimensional (ET)8Hg4Br12(C6H5Cl)2 Organic Metal under a Pressure of 6 kbar

A quasi-two-dimensional (ET) 8 Hg 4 Br 12 (C 6 H 5 Cl) 2 organic metal undergoes the metal–dielectric transition at T ~ 90 K upon cooling. An external pressure of P ~ 6 kbar completely recovers the metallic state and makes it possible to observe the Shubnikov–de Hass oscillations with a frequency of...

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Bibliographic Details
Published inTechnical physics letters Vol. 44; no. 11; pp. 1035 - 1037
Main Authors Lyubovskii, R. B., Pesotskii, S. I., Zhilyaeva, E. I., Torunova, S. A., Lyubovskaya, R. N.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.11.2018
Springer Nature B.V
Subjects
Brillouin zones
Classical and Continuum Physics
Cyclotrons
External pressure
Fermi surfaces
Oscillations
Physics
Physics and Astronomy
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Summary:A quasi-two-dimensional (ET) 8 Hg 4 Br 12 (C 6 H 5 Cl) 2 organic metal undergoes the metal–dielectric transition at T ~ 90 K upon cooling. An external pressure of P ~ 6 kbar completely recovers the metallic state and makes it possible to observe the Shubnikov–de Hass oscillations with a frequency of F ≈ 215 T and a cyclotron mass of m * ≈ 0.95 m 0 . The behavior of the oscillations is consistent with the Fermi surface representation in the form of electron and hole orbits covering the same areas of the first Brillouin zone.
ISSN:1063-7850
1090-6533
DOI:10.1134/S1063785018110251