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

doi:10.1016/j.physc.2015.06.010

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 journal › Article

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 language	English (US)
Article number	1252879
Pages (from-to)	44-49
Number of pages	6
Journal	Physica C: Superconductivity and its applications
Volume	516
DOIs	https://doi.org/10.1016/j.physc.2015.06.010
State	Published - 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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10.1016/j.physc.2015.06.010

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Gordon, E. B., Bezryadin, A. V., Karabulin, A. V., Matyushenko, V. I., & Khodos, I. I. (2015). Suppression of superconductivity in thin Nb nanowires fabricated in the vortex cores of superfluid helium. Physica C: Superconductivity and its applications, 516, 44-49. [1252879]. https://doi.org/10.1016/j.physc.2015.06.010

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title = "Suppression of superconductivity in thin Nb nanowires fabricated in the vortex cores of superfluid helium",

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.",

keywords = "Superconductivity, Superfluid helium, Thin nanowires, Vortices",

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T1 - Suppression of superconductivity in thin Nb nanowires fabricated in the vortex cores of superfluid helium

AU - Gordon, Eugene B.

AU - Bezryadin, Alexey V.

AU - Karabulin, Alexander V.

AU - Matyushenko, Vladimir I.

AU - Khodos, Igor I.

PY - 2015/7/3

Y1 - 2015/7/3

N2 - 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.

AB - 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.

KW - Superconductivity

KW - Superfluid helium

KW - Thin nanowires

KW - Vortices

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