activity
20092026
most citedTemperature dependence of lower critical field Hc1(T) shows nodeless superconductivity in FeSe

109 citations · 345 across the 22 of their papers we have counts for

collaborators

22 papers

cond-mat.mes-hall2026

Cryogenic Voltage Control of Magnetism in Silicon-Integrated \newline SrTiO/Fe Heterostructures

Stijn Reniers, Emile Fourneau, Andries Boelen +12

Cryogenic electronics forms a rapidly emerging research domain for high-performance and power-efficient computing applications. Incorporating nanomagnetic components in cryogenic c…

cond-mat.mtrl-sci2026★ 1 cited

Engineering Magnetic Anisotropy in Permalloy Films via Atomic Force Nanolithography

Abhishek Naik, Cyril Delforge, Nicolas Lejeune +5

Atomic force nanolithography provides a precise method for sculpting magnetic thin films, enabling controlled engineering of magnetic anisotropy in soft ferromagnets at the microsc…

cond-mat.supr-con2026

Magnetic landscape of NbTiN superconducting resonators under radio-frequency excitation

J. Baumgarten, N. Lejeune, L. Nulens +3

Planar superconducting resonators are essential components in quantum circuits and highly sensitive sensors. However, their performance is often compromised by magnetic flux penetr…

cond-mat.supr-con2025★ 3 cited

Misfit layer superconductors, tuneable bulk heterostructures with strong 2D effects

Tomas Samuely, Martin Gmitra, Tristan Cren +2

Atomically thin layered materials are systems with zero limit bulk-to-surface ratio. Their physical properties are determined by two-dimensionality and strongly affected by interfa…

cond-mat.supr-con2024

DC-operated Josephson junction arrays as a cryogenic on-chip microwave measurement platform

Senne Vervoort, Lukas Nulens, Davi A. D. Chaves +8

Providing radio frequency (RF) signals to circuits working in cryogenic conditions requires bulky and expensive transmission cabling interfacing specialized RF electronics anchored…

cond-mat.mtrl-sci2024★ 2 cited

Stoichiometry and Thickness of Epitaxial SrTiO on Silicon (001): an Investigation of Physical, Optical and Electrical Properties

Andries Boelen, Marina Baryshnikova, Anja Ulrich +4

Strontium titanate (SrTiO, STO) stands out as a promising material for various electronic applications thanks to its exceptional dielectric properties. Molecular beam epitaxy…

physics.app-ph2024

Non-Invasive Readout of the Kinetic Inductance of Superconducting Nanostructures

Lukas Nulens, Davi A. D. Chaves, Omar J. Y. Harb +7

The energy landscape of multiply connected superconducting structures is ruled by fluxoid quantization due to the implied single-valuedness of the complex wave function. The transi…

cond-mat.mtrl-sci2023★ 10 cited

AlSc thin films for advanced interconnect applications

Jean-Philippe Soulié, Kiroubanand Sankaran, Valeria Founta +7

AlSc thin films have been studied with compositions around AlSc ( = 0.75) for potential interconnect metallization applications. As-deposited 25 nm thick films w…

cond-mat.supr-con2023★ 15 cited

Catastrophic magnetic flux avalanches in NbTiN superconducting resonators

Lukas Nulens, Nicolas Lejeune, Joost Caeyers +9

Macroscopic superconducting components are an important building block of various quantum circuits. Since several of the envisioned applications require exposure to magnetic fields…

quant-ph2023★ 14 cited

Argon milling induced decoherence mechanisms in superconducting quantum circuits

J. Van Damme, Ts. Ivanov, P. Favia +12

The fabrication of superconducting circuits requires multiple deposition, etch and cleaning steps, each possibly introducing material property changes and microscopic defects. In t…

quant-ph2022★ 17 cited

Manufacturing high-Q superconducting α-tantalum resonators on silicon wafers

D. P. Lozano, M. Mongillo, X. Piao +19

The performance of state-of-the-art superconducting quantum devices is currently limited by microwave dielectric losses at different surfaces and interfaces. α-tantalum is a superc…

cond-mat.supr-con2022

Nanobridge SQUIDs as multilevel memory elements

Davi A. D. Chaves, Lukas Nulens, Heleen Dausy +6

With the development of novel computing schemes working at cryogenic temperatures, superconducting memory elements have become essential. In this context, superconducting quantum i…

cond-mat.supr-con2022★ 7 cited

Magnetic flux penetration in nanoscale wedge-shaped superconducting thin films

L. B. L. G. Pinheiro, L. Jiang, E. A. Abbey +9

Thickness uniformity is regarded as an important parameter in designing thin film devices. However, some applications based on films with non-uniform thickness have recently emerge…

cond-mat.supr-con2022★ 7 cited

Metastable states and hidden phase slips in nanobridge SQUIDs

Lukas Nulens, Heleen Dausy, Michal J. Wyszynski +4

We fabricated an asymmetric nanoscale SQUID consisting of one nanobridge weak link and one Dayem bridge weak link. The current phase relation of these particular weak links is char…

cond-mat.supr-con2017★ 36 cited

Quantitative magneto-optical investigation of superconductor/ferromagnet hybrid structures

G. Shaw, J. Brisbois, L. B. G. L. Pinheiro +13

We present a detailed quantitative magneto-optical imaging study of several superconductor/ferromagnet hybrid structures, including Nb deposited on top of thermomagnetically patter…

cond-mat.supr-con2017

Stick-slip Phenomena and Memory Effects in Moving Vortex Matter

Lise Serrier-Garcia, Clécio C. de Souza Silva, Matias Timmermans +2

Manipulating vortices in non-conventional superconductors is nowadays a challenging path toward controlling functionalities for superconducting nanodevices. Here, we directly obser…

cond-mat.supr-con2015★ 30 cited

The onset, evolution and magnetic braking of vortex lattice instabilities in nanostructured superconducting films

O. -A. Adami, Ž. L. Jelić, C. Xue +6

In 1976 Larkin and Ovchinnikov [Sov. Phys. JETP 41, 960 (1976)] predicted that vortex matter in superconductors driven by an electrical current can undergo an abrupt dynamic transi…

cond-mat.supr-con2014★ 109 cited

Temperature dependence of lower critical field Hc1(T) shows nodeless superconductivity in FeSe

M. Abdel-Hafiez, J. Ge, A. N. Vasiliev +4

We investigate the temperature dependence of the lower critical field Hc1(T) of a high-quality FeSe single crystal under static magnetic fields H parallel to the c axis. The temper…

cond-mat.supr-con2014★ 1 cited

A closer look at the low frequency dynamics of vortex matter

B. Raes, C. de Souza Silva, A. V. Silhanek +3

Using scanning susceptibility microscopy, we shed new light on the dynamics of individual superconducting vortices and examine the hypotheses of the phenomenological models traditi…

cond-mat.supr-con2012★ 24 cited

Local mapping of dissipative vortex motion

B. Raes, J. Van de Vondel, A. V. Silhanek +4

We explore, with unprecedented single vortex resolution, the dissipation and motion of vortices in a superconducting ribbon under the influence of an external alternating magnetic…

cond-mat.supr-con2012★ 3 cited

Localization of superconductivity in superconductor-electromagnet hybrids

G. W. Ataklti, A. Yu. Aladyshkin, W. Gillijns +7

We investigate the nucleation of superconductivity in a superconducting Al strip under the influence of the magnetic field generated by a current-carrying Nb wire, perpendicularly…

cond-mat.supr-con2009★ 66 cited

Symmetry-induced giant vortex state in a superconducting film with a Penrose array of magnetic pinning centers

R. B. G. Kramer, A. V. Silhanek, J. Van de Vondel +2

A direct visualization of the flux distribution in a Pb film covering a five-fold Penrose array of Co dots is obtained by mapping the local field distribution with a scanning Hall…