Local Josephson Vortex Generation and Manipulation with a Magnetic Force Microscope

Overview

Journal Nat Commun

Specialty Biology

Date 2019 Sep 7

PMID 31488813

Citations 2

Authors

Viacheslav V Dremov

Sergey Yu Grebenchuk

Andrey G Shishkin

Denis S Baranov

Razmik A Hovhannisyan

Olga V Skryabina

Nickolay Lebedev

Igor A Golovchanskiy

Vladimir I Chichkov

Christophe Brun

Tristan Cren

Vladimir M Krasnov

Alexander A Golubov

Dimitri Roditchev

Vasily S Stolyarov

Affiliations

Soon will be listed here.

Abstract

Josephson vortices play an essential role in superconducting quantum electronics devices. Often seen as purely conceptual topological objects, 2π-phase singularities, their observation and manipulation are challenging. Here we show that in Superconductor-Normal metal-Superconductor lateral junctions Josephson vortices have a peculiar magnetic fingerprint that we reveal in Magnetic Force Microscopy (MFM) experiments. Based on this discovery, we demonstrate the possibility of the Josephson vortex generation and manipulation by the magnetic tip of a MFM, thus paving a way for the remote inspection and control of individual nano-components of superconducting quantum circuits.

Citing Articles

Current induced hidden states in Josephson junctions.

Chen S, Park S, Vool U, Maksimovic N, Broadway D, Flaks M Nat Commun. 2024; 15(1):8059.

PMID: 39277615 PMC: 11401915. DOI: 10.1038/s41467-024-52271-z.

Direct measurement of surface photovoltage by AC bias Kelvin probe force microscopy.

Miyazaki M, Sugawara Y, Li Y Beilstein J Nanotechnol. 2022; 13:712-720.

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