activity
20202026
most citedMagnetic flux penetration in nanoscale wedge-shaped superconducting thin films

7 citations · 22 across the 11 of their papers we have counts for

collaborators

11 papers

quant-ph2026

A Tutorial for Characterizing Transmon Qubits

Alexandre M. Souza, Davi A. D. Chaves, Carmem M. Gilardoni +3

Superconducting transmon qubits are a leading technology for quantum information processing, yet their reliable operation rests on meticulous calibration and characterization routi…

cond-mat.supr-con2026

Probing Electromigration of Oxygen Vacancies in YBaCuO Devices by Multimodal X-ray Techniques

Caio C. Quaglio-Gomes, Stefan Marinković, Elijah A. Abbey +5

Control of oxygen vacancies by electrical currents in complex oxides such as YBaCuO (YBCO) has attracted considerable interest due to the relative simplicity of its…

cond-mat.supr-con2025★ 3 cited

Nonvolatile Cryogenic Phase Slip Memory with Single-Shot Readout

Lukas Nulens, Davi A. D. Chaves, Stijn Reniers +6

The demand for cryogenic memory components is driven by the need for ultra-fast, low-power, and highly reliable computing systems. Phase slip-based devices promise to fulfill all t…

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…

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.supr-con2023

Using quantitative magneto-optical imaging to reveal why the ac susceptibility of superconducting films is history-independent

Davi A. D. Chaves, J. C. Corsaletti Filho, E. A. Abbey +7

Measurements of the temperature-dependent ac magnetic susceptibility of superconducting films reveal reversible responses, i.e., irrespective of the magnetic and thermal history of…

cond-mat.supr-con2023

Magnetic field-induced weak-to-strong-link transformation in patterned superconducting films

D. A. D. Chaves, M. I. Valerio-Cuadros, L. Jiang +11

Ubiquitous in most superconducting materials and a common result of nanofabrication processes, weak-links are known for their limiting effects on the transport of electric currents…

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-con2021★ 7 cited

Enhancing the effective critical current density in a Nb superconducting thin film by cooling in an inhomogeneous magnetic field

D. A. D. Chaves, I. M. de Araújo, D. Carmo +7

Quantitative magneto-optical imaging of a type-II superconductor thin film cooled under zero, homogeneous, and inhomogeneous applied magnetic fields, indicates that the latter proc…

cond-mat.mtrl-sci2020★ 5 cited

Optimum heat treatment to enhance the weak-linkresponse of Y123 nanowires prepared by SolutionBlow Spinning

Ana M. Caffer, Davi A. D. Chaves, Alexsander L. Pessoa +4

Although the production of YBaCuO (Y123) has been extensively reported, there is still a lack of information on the ideal heat treatment to produce this materia…