For the past five decades, bulk niobium (Nb) has been the material of choice for
superconducting RF (SRF) cavity applications. Alternatives such as Nb thin films and other …

Rapid advances in the performance of superconducting cavities have made RF
superconductivity a key technology for accelerators that fulfil a variety of physics needs: high …

An overview of a theory of electromagnetic response of superconductors in strong radio-
frequency (RF) electromagnetic fields is given with the emphasis on applications to …

We report a strong effect of the cooling dynamics through T c on the amount of trapped
external magnetic flux in superconducting niobium cavities. The effect is similar for fine grain …

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

Measuring the losses arising from different materials and interfaces is crucial to improving
the coherence of superconducting quantum circuits. Although this has been of interest for a …

Abstract 2D functional materials, such as 2D magnet and superconductor, spark massive
interests from synthesis, manipulation to application. Especially, FeTe x with multi-phases …

Superconducting radiofrequency (SRF) cavities that could provide a higher quality factor as
well as a higher operational accelerating gradient at an affordable cost are in high demand …

Previous work has demonstrated that the radio frequency surface resistance of niobium
resonators is dramatically reduced when nitrogen impurities are dissolved as interstitial in …

We present detailed experimental and theoretical investigations of hotspots produced by
trapped vortex bundles and their effect on the radio-frequency (rf) surface resistance R s of …