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 …

Metal additive manufacturing technologies are rapidly becoming an integral part of the
advanced technological portfolio for the most demanding industrial applications. These …

We report a surface treatment that systematically improves the quality factor of niobium radio
frequency cavities beyond the expected limit for niobium. A combination of annealing in a …

This book introduces some of the key ideas of this exciting field, using a pedagogic
approach, and presents a comprehensive overview of the field. It is divided into four parts …

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 …

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

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 …

An overview of fundamentals of superconductors under radio-frequency electromagnetic
fields in particle accelerators is given, with emphasis on intrinsic physics and materials …

The production of a dense and void-free thin film on large and complex substrates is still a
challenge in Physical Vapor Deposition. High Power Impulse Magnetron Sputtering …

Energy-recovery linacs are inherently energy-efficient because the RF power needed for
acceleration is recovered during deceleration. Energy recovery enables extremely high …