Suppression of superconductivity in thin Nb nanowires fabricated in the vortex cores of superfluid helium

Eugene B. Gordon, Alexey V. Bezryadin, Alexander V. Karabulin, Vladimir I. Matyushenko, Igor I. Khodos

Research output: Contribution to journalArticle

Abstract

Abstract Nanowires of niobium, platinum and indium-lead In88Pb12 alloy with diameters of 4.2, 3.6 and 8 nm, respectively, were grown in quantized vortices of superfluid helium, and the dependences of their resistance on temperature have been studied. Through a detailed comparison of these dependences we present evidence that superconducting niobium wires allow a high rate of quantum phase slip. This phase slippage leads to a phase transition to an insulating state at T → 0.

Original languageEnglish (US)
Article number1252879
Pages (from-to)44-49
Number of pages6
JournalPhysica C: Superconductivity and its applications
Volume516
DOIs
StatePublished - Jul 3 2015

Keywords

  • Superconductivity
  • Superfluid helium
  • Thin nanowires
  • Vortices

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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