Ordered Bose Glass of Vortices in Superconducting YBa[sub.2]Cu[sub.3]O[sub.7−δ] Thin Films with a Periodic Pin Lattice Created by Focused Helium Ion Irradiation

Ordered Bose Glass of Vortices in Superconducting YBa[sub.2]Cu[sub.3]O[sub.7−δ] Thin Films with a Periodic Pin Lattice Created by Focused Helium Ion Irradiation

The defect-rich morphology of YBa[sub.2]Cu[sub.3]O[sub.7−δ] (YBCO) thin films leads to a glass-like arrangement of Abrikosov vortices which causes the resistance to disappear in vanishing current densities. This vortex glass consists of entangled vortex lines and is identified by a characteristic sc...

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Veröffentlicht in:Nanomaterials (Basel, Switzerland) Switzerland), 2022-10, Vol.12 (19)
Hauptverfasser: Backmeister, Lucas, Aichner, Bernd, Karrer, Max, Wurster, Katja, Kleiner, Reinhold, Goldobin, Edward, Koelle, Dieter, Lang, Wolfgang
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Dielectric films
Superconductors
Thin films
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container_issue 19
container_start_page
container_title Nanomaterials (Basel, Switzerland)
container_volume 12
creator Backmeister, Lucas
Aichner, Bernd
Karrer, Max
Wurster, Katja
Kleiner, Reinhold
Goldobin, Edward
Koelle, Dieter
Lang, Wolfgang
description The defect-rich morphology of YBa[sub.2]Cu[sub.3]O[sub.7−δ] (YBCO) thin films leads to a glass-like arrangement of Abrikosov vortices which causes the resistance to disappear in vanishing current densities. This vortex glass consists of entangled vortex lines and is identified by a characteristic scaling of the voltage-current isotherms. Randomly distributed columnar defects stratify the vortex lines and lead to a Bose glass. Here, we report on the observation of an ordered Bose glass in a YBCO thin film with a hexagonal array of columnar defects with 30 nm spacings. The periodic pinning landscape was engineered by a focused beam of 30 keV He[sup.+] ions in a helium-ion microscope.
doi_str_mv 10.3390/nano12193491
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subjects Dielectric films
Superconductors
Thin films
title Ordered Bose Glass of Vortices in Superconducting YBa[sub.2]Cu[sub.3]O[sub.7−δ] Thin Films with a Periodic Pin Lattice Created by Focused Helium Ion Irradiation
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