Superconducting RF materials other than bulk niobium: a review

AM Valente-Feliciano - Superconductor Science and Technology, 2016 - iopscience.iop.org
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 …

Tuning microwave losses in superconducting resonators

A Gurevich - Superconductor Science and Technology, 2023 - iopscience.iop.org
The performance of superconducting resonators, particularly cavities for particle
accelerators and micro cavities and thin film resonators for quantum computations and …

Theory of RF superconductivity for resonant cavities

A Gurevich - Superconductor Science and Technology, 2017 - iopscience.iop.org
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 …

Field-dependent nonlinear surface resistance and its optimization by surface nanostructuring in superconductors

T Kubo, A Gurevich - Physical Review B, 2019 - APS
We propose a theory of nonlinear surface resistance of a dirty superconductor in a strong
radio-frequency (rf) field, taking into account magnetic and nonmagnetic impurities, finite …

Surface impedance and optimum surface resistance of a superconductor with an imperfect surface

A Gurevich, T Kubo - Physical Review B, 2017 - APS
We calculate a low-frequency surface impedance of a dirty, s-wave superconductor with an
imperfect surface incorporating either a thin layer with a reduced pairing constant or a thin …

Multilayer coating for higher accelerating fields in superconducting radio-frequency cavities: a review of theoretical aspects

T Kubo - Superconductor Science and Technology, 2016 - iopscience.iop.org
The theory of the superconductor–insulator–superconductor (SIS) multilayer structure for
application in superconducting accelerating cavities is reviewed. The theoretical field limit …

Challenges and transformative opportunities in superconductor vortex physics

S Eley, A Glatz, R Willa - Journal of Applied Physics, 2021 - pubs.aip.org
In superconductors, the motion of vortices introduces unwanted dissipation that is disruptive
to applications. Fortunately, material defects can immobilize vortices, acting as vortex …

Depth-Resolved Measurements of the Meissner Screening Profile in Surface-Treated

RML McFadden, M Asaduzzaman, T Prokscha… - Physical Review …, 2023 - APS
We report depth-resolved measurements of the Meissner screening profile in several
surface-treated Nb samples using low-energy muon spin rotation. In these experiments …

[HTML][HTML] Maximum screening fields of superconducting multilayer structures

A Gurevich - AIP Advances, 2015 - pubs.aip.org
It is shown that a multilayer comprised of alternating thin superconducting and insulating
layers on a thick substrate can fully screen the applied magnetic field exceeding the …

Superfluid flow in disordered superconductors with Dynes pair-breaking scattering: Depairing current, kinetic inductance, and superheating field

T Kubo - Physical Review Research, 2020 - APS
We investigate the effects of Dynes pair-breaking scattering rate Γ on the superfluid flow in a
narrow thin-film superconductor and a semi-infinite superconductor by self-consistently …