Single-fluxon controlled resistance switching in centimeter-long superconducting gallium-indium eutectic nanowires

Weiwei Zhao; Jesse L. Bischof; Jimmy Hutasoit; Xin Liu; Thomas C. Fitzgibbons; John R. Hayes; Pier J.A. Sazio; Chaoxing Liu; Jainendra K. Jain; John V. Badding; M. H.W. Chan

doi:10.1021/nl503283e

Single-fluxon controlled resistance switching in centimeter-long superconducting gallium-indium eutectic nanowires

Weiwei Zhao, Jesse L. Bischof, Jimmy Hutasoit, Xin Liu, Thomas C. Fitzgibbons, John R. Hayes, Pier J.A. Sazio, Chaoxing Liu, Jainendra K. Jain, John V. Badding, M. H.W. Chan

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15 Scopus citations

Abstract

The ability to manipulate a single quantum object, such as a single electron or a single spin, to induce a change in a macroscopic observable lies at the heart of nanodevices of the future. We report an experiment wherein a single superconducting flux quantum, or a fluxon, can be exploited to switch the resistance of a nanowire between two discrete values. The experimental geometry consists of centimeter-long nanowires of superconducting Ga-In eutectic, with spontaneously formed Ga nanodroplets along the length of the nanowire. The nonzero resistance occurs when a Ga nanodroplet traps one or more superconducting fluxons, thereby driving a Josephson weak-link created by a second nearby Ga nanodroplet normal. The fluxons can be inserted or flipped by careful manipulation of the magnetic field or temperature to produce one of many metastable states of the system.

Original language	English (US)
Pages (from-to)	153-158
Number of pages	6
Journal	Nano letters
Volume	15
Issue number	1
DOIs	https://doi.org/10.1021/nl503283e
State	Published - Jan 14 2015

All Science Journal Classification (ASJC) codes

Bioengineering
Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

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10.1021/nl503283e

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title = "Single-fluxon controlled resistance switching in centimeter-long superconducting gallium-indium eutectic nanowires",

abstract = "The ability to manipulate a single quantum object, such as a single electron or a single spin, to induce a change in a macroscopic observable lies at the heart of nanodevices of the future. We report an experiment wherein a single superconducting flux quantum, or a fluxon, can be exploited to switch the resistance of a nanowire between two discrete values. The experimental geometry consists of centimeter-long nanowires of superconducting Ga-In eutectic, with spontaneously formed Ga nanodroplets along the length of the nanowire. The nonzero resistance occurs when a Ga nanodroplet traps one or more superconducting fluxons, thereby driving a Josephson weak-link created by a second nearby Ga nanodroplet normal. The fluxons can be inserted or flipped by careful manipulation of the magnetic field or temperature to produce one of many metastable states of the system.",

author = "Weiwei Zhao and Bischof, {Jesse L.} and Jimmy Hutasoit and Xin Liu and Fitzgibbons, {Thomas C.} and Hayes, {John R.} and Sazio, {Pier J.A.} and Chaoxing Liu and Jain, {Jainendra K.} and Badding, {John V.} and Chan, {M. H.W.}",

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year = "2015",

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day = "14",

doi = "10.1021/nl503283e",

language = "English (US)",

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T1 - Single-fluxon controlled resistance switching in centimeter-long superconducting gallium-indium eutectic nanowires

AU - Zhao, Weiwei

AU - Bischof, Jesse L.

AU - Hutasoit, Jimmy

AU - Liu, Xin

AU - Fitzgibbons, Thomas C.

AU - Hayes, John R.

AU - Sazio, Pier J.A.

AU - Liu, Chaoxing

AU - Jain, Jainendra K.

AU - Badding, John V.

AU - Chan, M. H.W.

PY - 2015/1/14

Y1 - 2015/1/14

N2 - The ability to manipulate a single quantum object, such as a single electron or a single spin, to induce a change in a macroscopic observable lies at the heart of nanodevices of the future. We report an experiment wherein a single superconducting flux quantum, or a fluxon, can be exploited to switch the resistance of a nanowire between two discrete values. The experimental geometry consists of centimeter-long nanowires of superconducting Ga-In eutectic, with spontaneously formed Ga nanodroplets along the length of the nanowire. The nonzero resistance occurs when a Ga nanodroplet traps one or more superconducting fluxons, thereby driving a Josephson weak-link created by a second nearby Ga nanodroplet normal. The fluxons can be inserted or flipped by careful manipulation of the magnetic field or temperature to produce one of many metastable states of the system.

AB - The ability to manipulate a single quantum object, such as a single electron or a single spin, to induce a change in a macroscopic observable lies at the heart of nanodevices of the future. We report an experiment wherein a single superconducting flux quantum, or a fluxon, can be exploited to switch the resistance of a nanowire between two discrete values. The experimental geometry consists of centimeter-long nanowires of superconducting Ga-In eutectic, with spontaneously formed Ga nanodroplets along the length of the nanowire. The nonzero resistance occurs when a Ga nanodroplet traps one or more superconducting fluxons, thereby driving a Josephson weak-link created by a second nearby Ga nanodroplet normal. The fluxons can be inserted or flipped by careful manipulation of the magnetic field or temperature to produce one of many metastable states of the system.

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JO - Nano letters

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Single-fluxon controlled resistance switching in centimeter-long superconducting gallium-indium eutectic nanowires

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