Nano Josephson superconducting tunnel junctions in YBa2Cu3O7–δ directly patterned with a focused helium ion beam
Since the discovery of the high-transition-temperature superconductors (HTSs), researchers
have explored many methods to fabricate superconducting tunnel junctions from these …
have explored many methods to fabricate superconducting tunnel junctions from these …
Josephson Junctions and SQUIDs Created by Focused Helium-Ion-Beam Irradiation of
B Müller, M Karrer, F Limberger, M Becker… - Physical Review …, 2019 - APS
By scanning with a 30-keV focused He ion beam (He-FIB) across Y Ba 2 Cu 3 O 7 (YBCO)
thin-film microbridges, we create Josephson barriers with critical current density jc …
thin-film microbridges, we create Josephson barriers with critical current density jc …
Transport properties of YBCO step edge Josephson junction with different step angles
Step edge Josephson junctions are fabricated with varying step angles ranging from 10° to
35° on the MgO (100) single-crystal substrate. The impact of step angle on the transport …
35° on the MgO (100) single-crystal substrate. The impact of step angle on the transport …
Direct-coupled micro-magnetometer with Y-Ba-Cu-O nano-slit SQUID fabricated with a focused helium ion beam
Direct write patterning of high-transition temperature (high-TC) superconducting oxide thin
films with a focused helium ion beam is a formidable approach for the scaling of high-TC …
films with a focused helium ion beam is a formidable approach for the scaling of high-TC …
Freezing and thawing of artificial ice by thermal switching of geometric frustration in magnetic flux lattices
The problem of an ensemble of repulsive particles on a potential-energy landscape is
common to many physical systems and has been studied in multiple artificial playgrounds …
common to many physical systems and has been studied in multiple artificial playgrounds …
Scalable nanofabrication of high-quality nanowires for single-photon detectors
P Amari, S Kozlov, E Recoba-Pawlowski… - Physical Review …, 2023 - APS
The realization of superconducting single-photon detectors operating above the liquid-
helium temperature is currently the focus of intense research efforts. Here, we present the …
helium temperature is currently the focus of intense research efforts. Here, we present the …
High-Tc superconducting Josephson mixers for terahertz heterodyne detection
We report on an experimental and theoretical study of the high-frequency mixing properties
of ion-irradiated YBa 2 Cu 3 O 7 Josephson junctions embedded in THz antennas. We …
of ion-irradiated YBa 2 Cu 3 O 7 Josephson junctions embedded in THz antennas. We …
Very Large Scale Integration of Nanopatterned YBa2Cu3O7−δ Josephson Junctions in a Two-Dimensional Array
Very large scale integration of Josephson junctions in a two-dimensional series− parallel
array has been achieved by ion irradiating a YBa2Cu3O7− δ film through slits in a …
array has been achieved by ion irradiating a YBa2Cu3O7− δ film through slits in a …
Nanostructured superconductors
W Lang - arxiv preprint arxiv:2310.18232, 2023 - arxiv.org
The relevant length scales for superconductivity are of the order of nanometers. By confining
the superconducting condensate to such dimensions, many physical properties change …
the superconducting condensate to such dimensions, many physical properties change …
Using ion irradiation to make high-Tc Josephson junctions
In this article we describe the effect of ion irradiation on high-T c superconductor thin film
and its interest for the fabrication of Josephson junctions. In particular, we show that these …
and its interest for the fabrication of Josephson junctions. In particular, we show that these …