Article Dans Une Revue J. Phys. C: Solid State Phys Année : 1977

Electrical conductivity in polymeric sulphur nitride at high pressures

Denis Jerome
Richard H Friend
S. Rehmatullah
  • Fonction : Auteur
A.D. Yoffe
  • Fonction : Auteur

Résumé

The resistivity along the chain axis in polymeric sulphur nitride has been followed under pressure using a variety of hydrostatic and quasi hydrostatic techniques. The large increase in conductivity with pressure at room temperature previously reported up to 9 kbar is confirmed, and is seen to level off above 30 kbar at a conductivity ratio ~( p ) / u ( O ) -10.

The TZ dependence of the resistivity seen at atmospheric pressure, associated with electronelectron scattering has been followed with pressure. At moderate pressures this dependence is more complicated; there are two regimes with different T 2 coefficients which both saturate below room temperature, pointing to a semimetallic band structure with small pockets of electrons and holes present. The high-pressure limit of G ( ~) / u ( O ) is seen to correspond to the level of electron-phonon scattering that can be expected from the superconductivity data.

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hal-05000898 , version 1 (21-03-2025)

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Denis Jerome, Richard H Friend, S. Rehmatullah, A.D. Yoffe. Electrical conductivity in polymeric sulphur nitride at high pressures. J. Phys. C: Solid State Phys, 1977. ⟨hal-05000898⟩
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