Appearance of the dielectric instability and its coexistence with the superconductivity in ultrathin metallic filaments with decreasing diameter

V. N. Bogomolov, E. V. Kolla, Yu A. Kumzerov, N. M. Okuneva, V. N. Prigodin

Research output: Contribution to journalArticlepeer-review

Abstract

Some dielectric instability appears before the superconducting (s/c) transition of Hg, In, Ga, Sn filaments when their diameters are decreased to 20-30 Å. Above the s/c transition the differential conductivity of the filaments may be approximated by the formula σ = σa + σb exp [-E0(T)/E], where the electric field E0 is equal toabout 10-60 mV cm-1, and falls abruptly before the s/c transition. There are conductivity oscillations along E in the s/c transition region. The results are interpreted in terms of Peierls instability and charge-density wave (CDW) conductivity.

Original languageEnglish (US)
Pages (from-to)363-366
Number of pages4
JournalSolid State Communications
Volume35
Issue number4
DOIs
StatePublished - Jul 1980
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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