The performance of superconducting resonators, particularly cavities for particle
accelerators and micro cavities and thin film resonators for quantum computations and …

The current performance of superconducting circuit-based quantum processors is limited by
the poor understanding of interface physics, including native surface oxide formation on the …

The niobium surface is almost always covered by a native oxide layer which greatly
influences the performance of superconducting devices. Here we investigate the highly …

The nitrogen doping (N‐doping) treatment for niobium superconducting radio‐frequency
(SRF) cavities is one of the key enabling technologies that support the development of more …

Exploring nanoscale material properties through light-matter interactions is essential to
unveil new phenomena and manipulate materials at the atomic level, paving the way for …

We report direct measurements of the magnetic field screening at the limits of the Meissner
phase for two superconducting niobium (Nb) samples. The samples are processed with two …

The surface modification of superconducting radio frequency (SRF) cavities is mandatory to
further push the limits in future accelerators. One strategy is the deposition of multilayer …

Some solute atoms induce strengthening and embrittlement in body-centered cubic
refractory metals. Especially, interstitial oxygen produces remarkable strengthening effects …

We explore critical field and critical current behavior in inhomogeneous narrow thin-film
superconducting strips. Formulations are developed to calculate free energy, critical field …

We report on defects dynamics during heat treatment in plastically deformed metallic
materials using positron annihilation lifetime spectroscopy carried out on the intense pulsed …