Ultradense Tailored Vortex Pinning Arrays in Superconducting YBa2Cu3O7−δ Thin Films Created by Focused He Ion Beam Irradiation for Fluxonics Applications

Bernd Aichner; Benedikt Müller; Max Karrer; Vyacheslav R.  Misko; Fabienne Limberger; Kristijan Luka Mletschnig; Meirzhan Dosmailov; Johannes D. Pedarnig; Franco Nori; Reinhold Kleiner; Dieter Koelle; Wolfgang Lang

doi:10.1021/acsanm.9b01006

Ultradense Tailored Vortex Pinning Arrays in Superconducting YBa₂Cu₃O_7−δ Thin Films Created by Focused He Ion Beam Irradiation for Fluxonics Applications

Bernd Aichner, Benedikt Müller, Max Karrer, Vyacheslav R. Misko, Fabienne Limberger, Kristijan Luka Mletschnig, Meirzhan Dosmailov, Johannes D. Pedarnig, Franco Nori, Reinhold Kleiner, Dieter Koelle, Wolfgang Lang (Corresponding author)

Electronic Properties of Materials

Publications: Contribution to journal › Article › Peer Reviewed

Abstract

Magnetic fields penetrate a type II superconductor as magnetic flux quanta, called vortices. In a clean superconductor they arrange in a hexagonal lattice, while by addition of periodic artificial pinning centers many other arrangements can be realized. Using the focused beam of a helium ion microscope, we have fabricated periodic patterns of dense pinning centers with spacings as small as 70 nm in thin films of the cuprate superconductor YBa₂Cu₃O_7−δ. In these ultradense kagomé-like patterns, the voids lead to magnetic caging of vortices, resulting in unconventional commensurability effects that manifest themselves as peaks in the critical current and minima in the resistance versus applied magnetic field up to ∼0.4 T. The various vortex patterns at different magnetic fields are analyzed by molecular dynamics simulations of vortex motion, and the magnetic field dependence of the critical current is confirmed. These findings open the way for a controlled manipulation of vortices in cuprate superconductors by artificial sub-100 nm pinning landscapes.

Original language	English
Pages (from-to)	5108-5115
Number of pages	8
Journal	ACS Applied Nano Materials
Volume	2
Issue number	8
DOIs	https://doi.org/10.1021/acsanm.9b01006
Publication status	Published - Aug 2019

Austrian Fields of Science 2012

103013 Ion physics
103033 Superconductivity
210006 Nanotechnology

Keywords

helium ion microscope
cuprate superconductor
vortex pinning lattice
commensurability effects
critical current
CRITICAL CURRENTS
KAGOME
DYNAMICS
NB FILMS
LATTICE
HIGH-TEMPERATURE SUPERCONDUCTORS
MAGNETIC-FLUX

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10.1021/acsanm.9b01006

Cite this

Aichner, B., Müller, B., Karrer, M., Misko, V. R., Limberger, F., Mletschnig, K. L., Dosmailov, M., Pedarnig, J. D., Nori, F., Kleiner, R., Koelle, D., & Lang, W. (2019). Ultradense Tailored Vortex Pinning Arrays in Superconducting YBa₂Cu₃O_7−δ Thin Films Created by Focused He Ion Beam Irradiation for Fluxonics Applications. ACS Applied Nano Materials, 2(8), 5108-5115. https://doi.org/10.1021/acsanm.9b01006

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title = "Ultradense Tailored Vortex Pinning Arrays in Superconducting YBa2Cu3O7−δ Thin Films Created by Focused He Ion Beam Irradiation for Fluxonics Applications",

abstract = "Magnetic fields penetrate a type II superconductor as magnetic flux quanta, called vortices. In a clean superconductor they arrange in a hexagonal lattice, while by addition of periodic artificial pinning centers many other arrangements can be realized. Using the focused beam of a helium ion microscope, we have fabricated periodic patterns of dense pinning centers with spacings as small as 70 nm in thin films of the cuprate superconductor YBa2Cu3O7−δ. In these ultradense kagom{\'e}-like patterns, the voids lead to magnetic caging of vortices, resulting in unconventional commensurability effects that manifest themselves as peaks in the critical current and minima in the resistance versus applied magnetic field up to ∼0.4 T. The various vortex patterns at different magnetic fields are analyzed by molecular dynamics simulations of vortex motion, and the magnetic field dependence of the critical current is confirmed. These findings open the way for a controlled manipulation of vortices in cuprate superconductors by artificial sub-100 nm pinning landscapes.",

keywords = "helium ion microscope, cuprate superconductor, vortex pinning lattice, commensurability effects, critical current, CRITICAL CURRENTS, KAGOME, DYNAMICS, NB FILMS, LATTICE, HIGH-TEMPERATURE SUPERCONDUCTORS, MAGNETIC-FLUX",

author = "Bernd Aichner and Benedikt M{\"u}ller and Max Karrer and Misko, {Vyacheslav R.} and Fabienne Limberger and Mletschnig, {Kristijan Luka} and Meirzhan Dosmailov and Pedarnig, {Johannes D.} and Franco Nori and Reinhold Kleiner and Dieter Koelle and Wolfgang Lang",

note = "Publisher Copyright: Copyright {\textcopyright} 2019 American Chemical Society.",

year = "2019",

month = aug,

doi = "10.1021/acsanm.9b01006",

language = "English",

volume = "2",

pages = "5108--5115",

journal = "ACS Applied Nano Materials",

issn = "2574-0970",

publisher = "American Chemical Society",

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Aichner, B, Müller, B, Karrer, M, Misko, VR, Limberger, F, Mletschnig, KL, Dosmailov, M, Pedarnig, JD, Nori, F, Kleiner, R, Koelle, D & Lang, W 2019, 'Ultradense Tailored Vortex Pinning Arrays in Superconducting YBa₂Cu₃O_7−δ Thin Films Created by Focused He Ion Beam Irradiation for Fluxonics Applications', ACS Applied Nano Materials, vol. 2, no. 8, pp. 5108-5115. https://doi.org/10.1021/acsanm.9b01006

TY - JOUR

T1 - Ultradense Tailored Vortex Pinning Arrays in Superconducting YBa2Cu3O7−δ Thin Films Created by Focused He Ion Beam Irradiation for Fluxonics Applications

AU - Aichner, Bernd

AU - Müller, Benedikt

AU - Karrer, Max

AU - Misko, Vyacheslav R.

AU - Limberger, Fabienne

AU - Mletschnig, Kristijan Luka

AU - Dosmailov, Meirzhan

AU - Pedarnig, Johannes D.

AU - Nori, Franco

AU - Kleiner, Reinhold

AU - Koelle, Dieter

AU - Lang, Wolfgang

PY - 2019/8

Y1 - 2019/8

N2 - Magnetic fields penetrate a type II superconductor as magnetic flux quanta, called vortices. In a clean superconductor they arrange in a hexagonal lattice, while by addition of periodic artificial pinning centers many other arrangements can be realized. Using the focused beam of a helium ion microscope, we have fabricated periodic patterns of dense pinning centers with spacings as small as 70 nm in thin films of the cuprate superconductor YBa2Cu3O7−δ. In these ultradense kagomé-like patterns, the voids lead to magnetic caging of vortices, resulting in unconventional commensurability effects that manifest themselves as peaks in the critical current and minima in the resistance versus applied magnetic field up to ∼0.4 T. The various vortex patterns at different magnetic fields are analyzed by molecular dynamics simulations of vortex motion, and the magnetic field dependence of the critical current is confirmed. These findings open the way for a controlled manipulation of vortices in cuprate superconductors by artificial sub-100 nm pinning landscapes.

AB - Magnetic fields penetrate a type II superconductor as magnetic flux quanta, called vortices. In a clean superconductor they arrange in a hexagonal lattice, while by addition of periodic artificial pinning centers many other arrangements can be realized. Using the focused beam of a helium ion microscope, we have fabricated periodic patterns of dense pinning centers with spacings as small as 70 nm in thin films of the cuprate superconductor YBa2Cu3O7−δ. In these ultradense kagomé-like patterns, the voids lead to magnetic caging of vortices, resulting in unconventional commensurability effects that manifest themselves as peaks in the critical current and minima in the resistance versus applied magnetic field up to ∼0.4 T. The various vortex patterns at different magnetic fields are analyzed by molecular dynamics simulations of vortex motion, and the magnetic field dependence of the critical current is confirmed. These findings open the way for a controlled manipulation of vortices in cuprate superconductors by artificial sub-100 nm pinning landscapes.

KW - helium ion microscope

KW - cuprate superconductor

KW - vortex pinning lattice

KW - commensurability effects

KW - critical current

KW - CRITICAL CURRENTS

KW - KAGOME

KW - DYNAMICS

KW - NB FILMS

KW - LATTICE

KW - HIGH-TEMPERATURE SUPERCONDUCTORS

KW - MAGNETIC-FLUX

UR - http://www.scopus.com/inward/record.url?scp=85078547646&partnerID=8YFLogxK

U2 - 10.1021/acsanm.9b01006

DO - 10.1021/acsanm.9b01006

M3 - Article

SN - 2574-0970

VL - 2

SP - 5108

EP - 5115

JO - ACS Applied Nano Materials

JF - ACS Applied Nano Materials

IS - 8

ER -

Ultradense Tailored Vortex Pinning Arrays in Superconducting YBa₂Cu₃O_7−δ Thin Films Created by Focused He Ion Beam Irradiation for Fluxonics Applications

Abstract

Austrian Fields of Science 2012

Keywords

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Other files and links

Vortex Matter in Copper-Oxide Superconductors with Periodic Defects

Creating The World’s Toughest Obstacle Course for Magnetic Flux Quanta in High-T_c Superconductors

Fabrication of Nanostructures for Advanced Vortex Pinning in High-T_c Superconductors

From Japanese basket weaving art to nanotechnology with ion beams

Cite this

Ultradense Tailored Vortex Pinning Arrays in Superconducting YBa2Cu3O7−δ Thin Films Created by Focused He Ion Beam Irradiation for Fluxonics Applications

Abstract

Austrian Fields of Science 2012

Keywords

Access to Document

Other files and links

Activities

Vortex Matter in Copper-Oxide Superconductors with Periodic Defects

Creating The World’s Toughest Obstacle Course for Magnetic Flux Quanta in High-Tc Superconductors

Fabrication of Nanostructures for Advanced Vortex Pinning in High-Tc Superconductors

Press/Media

From Japanese basket weaving art to nanotechnology with ion beams

Cite this

Ultradense Tailored Vortex Pinning Arrays in Superconducting YBa₂Cu₃O_7−δ Thin Films Created by Focused He Ion Beam Irradiation for Fluxonics Applications

Creating The World’s Toughest Obstacle Course for Magnetic Flux Quanta in High-T_c Superconductors

Fabrication of Nanostructures for Advanced Vortex Pinning in High-T_c Superconductors