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

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Abstract

A quasi-two-dimensional (ET)8Hg4Br12(C6H5Cl)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* ≈ 0.95m0. 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.

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Authors and Affiliations

  1. Institute for Problems of Chemical Physics, Russian Academy of Sciences, Moscow oblast, Chernogolovka, 142432, Russia

    R. B. Lyubovskii, S. I. Pesotskii, E. I. Zhilyaeva, S. A. Torunova & R. N. Lyubovskaya

  2. International Laboratory of High Magnetic Fields and Low Temperatures, Wroclaw, 53 421, Poland

    R. B. Lyubovskii & S. I. Pesotskii

Authors
  1. R. B. Lyubovskii
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  2. S. I. Pesotskii
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  3. E. I. Zhilyaeva
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  4. S. A. Torunova
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  5. R. N. Lyubovskaya
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Corresponding author

Correspondence to S. I. Pesotskii.

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Original Russian Text © R.B. Lyubovskii, S.I. Pesotskii, E.I. Zhilyaeva, S.A. Torunova, R.N. Lyubovskaya, 2018, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2018, Vol. 44, No. 22, pp. 81–86.

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Lyubovskii, R.B., Pesotskii, S.I., Zhilyaeva, E.I. et al. Stabilizing the Metallic State in a Quasi-Two-Dimensional (ET)8Hg4Br12(C6H5Cl)2 Organic Metal under a Pressure of 6 kbar. Tech. Phys. Lett. 44, 1035–1037 (2018). https://doi.org/10.1134/S1063785018110251

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  • DOI: https://doi.org/10.1134/S1063785018110251

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