Name: 12th International Workshop on Thin Films and New Ideas for Pushing the Limits of RF Superconductivity
Start: 2026-09-21T09:00:00+01:00
End: 2026-09-25T18:00:00+01:00
Location: Crowne Plaza Chester, Chester, United Kingdom

Monday, 21 September 2026
09:00 Welcome
09:00 - 09:20
Room: Prince of Wales Suite
Contributions

09:00 Welcome Address - Peter McIntosh (STFC)

09:08 Workshop Information
09:20 Setting the Horizon: Global Perspectives & Technical Roadmaps
09:20 - 10:30
Room: Prince of Wales Suite
Contributions

09:20 Coordinated thin film SRF activities in Europe - Oleg Malyshev (STFC Daresbury Laboratory)

09:55 Ongoing DOE RF Roadmap Update Exercise - Anne-Marie Valente-Feliciano (Jefferson Lab)
10:30 Coffee Break
Coffee Break
10:30 - 11:00
Room: Prince of Wales Suite
11:00 Pushing SRF Thin Films Limits: Theoretical Advances, Deposition Modeling & DFT
11:00 - 12:30
Room: Prince of Wales Suite
Contributions

11:00 Modelling flux vortex dynamics in type-II superconductors under a thermal gradient-driven phase transition with closed cooling topology - Guilherme Theophilo Telles (CERN)

11:20 Chemical Adsorption of Water on Niobium and Its Surface Oxides in the Medium-Temperature Baking Regime: An ab initio Study - Shantong Chen (Institute of Modern Physics,CAS)

11:40 Preliminary Particle-in-Cell Simulation Results of Plasma Discharge from a DC Magnetron Sputtering Device - Benzi John (STFC-UKRI)

12:00 Multilayer model for coatings with arbitrary number of planar layers for SRF applications - Aaron Gobeyn (TU Darmstadt)

12:20 Pushing SRF Thin Films Limits: Theoretical Advances, Deposition Modeling & DFT - Discussion
12:30 Lunch
Lunch
12:30 - 14:00
Room: Prince of Wales Suite
14:00 Latest Advances in Nb Thin Film Technology
14:00 - 15:30
Room: Prince of Wales Suite
Contributions

14:00 Toward Taming Topographical Vulnerabilities in Nb/Cu Thin Films for Next-Generation SRF Accelerator - Anne-Marie Valente-Feliciano (Jefferson Lab)

14:30 Recent RF test results of Nb/Cu full-seamless 1.3 GHz cavities - Hayato Araki (KEK)

15:00 From 1.3 GHz Demonstrators to 400 MHz FCC-ee Cavities: Challenges in Process Scale-Up - Caroline Hain (CERN)
15:30 Coffe Break
Coffe Break
15:30 - 16:00
Room: Prince of Wales Suite
16:00 Latest Advances in Nb Thin Film Technology
16:00 - 17:00
Room: Prince of Wales Suite
Contributions

16:00 Latest Advances in Nb Thin Film Technology - Discussion
Tuesday, 22 September 2026
09:00 Nb3Sn Technology: Recent Technical Advances & Scaling Horizons
09:00 - 10:20
Room: Prince of Wales Suite
Contributions

09:00 From Nb to Nb3Sn: Complexity in SRF Coating Development - Caroline Hain (CERN)

09:30 Nb₃Sn thin film development on 1.3 GHz cavities - Matteo Lazzari (INFN LNL)

09:55 Calibration and deposition of 1.3 GHz Nb cavity coated with Nb3Sn thin film by PVD planar magnetron sputtering. - Reza Valizadeh (STFC)
10:20 Coffee Break
Coffee Break
10:20 - 10:50
Room: Prince of Wales Suite
10:50 Nb3Sn Technology: Recent Technical Advances & Scaling Horizons
10:50 - 12:05
Room: Prince of Wales Suite
Contributions

10:50 Suppressed thermoelectric currents in Nb3Sn-on-Cu structures - Felix Kramer (Helmholtz-Zentrum Berlin)

11:15 Recent Progress on Bronze-Route Nb₃Sn Thin Films at HZB - Oliver Kugeler (Helmholtz Zentrum Berlin)

11:40 Study on the synergistic optimization of material and thickness of diffusion barrier layer based on copper-based Nb3Sn film by bronze method - BoHao Zhang (中国科学院近代物理研究所)
12:05 Lunch break
Lunch break
12:05 - 13:40
Room: Prince of Wales Suite
13:40 Nb3Sn Technology: Recent Technical Advances & Scaling Horizons
13:40 - 15:00
Room: Prince of Wales Suite
Contributions

13:40 Understanding and Improving the Tin Vapor Diffusion Process for Nb₃Sn-Coated SRF Cavities at JLab - Uttar Pudasaini (Jefferson Lab)

14:00 Role of surface oxide and anodization in Nb3Sn nucleation - Liana Shpani

14:20 Development of Nb3Sn coatings on Novel Cavity Geometries Using Vapor-Diffusion Technique - Nikki Tagdulang (Fermilab)

14:40 Towards Industrial Nb3Sn-based Turn-Key SRF Systems - Vitalii Shcherbinin (RI)
15:00 Coffee Break
Coffee Break
15:00 - 15:30
Room: Prince of Wales Suite
15:30 Nb3Sn Technology: Recent Technical Advances & Scaling Horizons
15:30 - 17:00
Room: Prince of Wales Suite
Contributions

15:30 Gray Enid I: Record Beam Acceleration with a Nb₃Sn SRF Cryomodule at JLab - Uttar Pudasaini (Jefferson Lab)

16:00 Nb3Sn Technology: Recent Technical Advances & Scaling Horizons- Discussion
Wednesday, 23 September 2026
09:00 Beyond Nb & Nb3Sn: Alternate materials, multilayer SIS structures
09:00 - 10:35
Room: Prince of Wales Suite
Contributions

09:00 Advancements in MgB2-Coated Cu Superconducting RF Cavities - Ke Chen (Temple University)

09:25 In-depth material studies of SIS multilayers for application using the new cavity-coating system - Lea Preece (Universität Hamburg)

09:50 Design and Preliminary Testing of a DC Magnetron Sputtering Cathode for Nb–Sn Precursor Deposition inside a 3 GHz SRF Cavity: Toward an Nb3Sn–I– Nb Multilayer Structure - ryo katayama (High Energy Accelerator Research Organization)

10:15 Zr–Nb Alloy Coatings for SRF Cavities: Surface Characterization, Deposition Method Development, and Initial RF Performance - Alexis Grassl (Cornell University)
10:35 Coffee Break
Coffee Break
10:35 - 11:05
Room: Prince of Wales Suite
11:05 Beyond Nb & Nb3Sn: Alternate materials, multilayer SIS structures
11:05 - 12:25
Room: Prince of Wales Suite
Contributions

11:05 Nb3Al: A Second Viable Material for High‑Gradient 4.2 K SRF Operation - Alexis Grassl (Cornell University)

11:25 Zr Inclusion as a New Route to Improve SRF Cavity Materials - Malvika Tripathi (Fermi National Accelerator Laboratory)

11:45 Superconducting properties of Nb-Zr thin films for particle accelerators and quantum applications - Malvika Tripathi (Fermi National Accelerator Laboratory)

12:05 Beyond Nb & Nb3Sn - Discussion
12:25 Lunch
Lunch
12:25 - 14:00
Room: Prince of Wales Suite

14:00 Tour

14:00 - 18:00
Room: Prince of Wales Suite

19:00 Workshop Dinner
Workshop Dinner
19:00 - 22:30
Room: Prince of Wales Suite
Thursday, 24 September 2026
09:00 Functional layers for SRF & Beyond
09:00 - 10:30
Room: Prince of Wales Suite
Contributions

09:00 Atomic Layer Deposition of Functional Oxide Interfaces for Mitigation of Two-Level-System Losses in Niobium SRF Cavities - Laura Grassellino (Fermilab)

09:30 Surface passivation of cavities for reduction of two-level systems at low gradients - Rakshith Venugopal (Deutsches Elektronen-Synchrotron DESY)

10:00 Tuning the secondary electron yield with nanoheterostructures - Thomas Proslier (CEA)
10:30 Coffee Break
Coffee Break
10:30 - 11:00
Room: Prince of Wales Suite
11:00 Tailored Substrates for Advanced Film Growth
11:00 - 12:30
Room: Prince of Wales Suite
Contributions

11:00 Plasma Electrolytic Polishing of 1.3 GHz Copper Cavities for Thin-Film SRF Applications - Eduard Chyhyrynets (INFN - LNL)

11:25 Scaling Up Plasma Electrolytic Polishing of Bulk Niobium for SRF Applications - Tochukwu Emmanuel Ezeaba (University of Padua)

11:50 Hybrid Wire Laser Additive Manufacturing and CNC machining for novel SRF cavity fabrication - Cristian Pira (INFN LNL)

12:10 Tailored Substrates for Advanced Film Growth - Discussion - Caroline Hain (CERN)
12:30 Lunch
Lunch
12:30 - 14:00
Room: Prince of Wales Suite
14:00 Emerging Frontlines in Characterizion methods: Advanced Imaging & Novel Probes
14:00 - 16:00
Room: Prince of Wales Suite
Contributions

14:00 Tunneling spectroscopy for SRF applications - Ivana Curci (CEA-Saclay)

14:30 Commissioning and First RF Results from a LHe-Free Thin Film SRF Cavity Test Facility - Daniel Seal (STFC)

15:00 A new addition to the Vertical Test Facility (VTF) at STFC Daresbury Laboratory for testing Thin Films SRF cavities - Shrikant Pattalwar (UKRI- STFC Daresbury Laboratory)

15:30 Split cavity progress at Daresbury Laboratory - Daniel Turner (-)
16:00 Coffee Break
Coffee Break
16:00 - 16:30
Room: Prince of Wales Suite
16:30 Discussion
16:30 - 17:30
Room: Prince of Wales Suite
Contributions

16:30 Functional layers for SRF & Beyond - Discussion - Yasmine Kalboussi (CEA)

17:00 Emerging Frontlines in Characterizion methods: Advanced Imaging & Novel Probes - Discussion - Oliver Kugeler (Helmholtz Zentrum Berlin)
Friday, 25 September 2026
09:00 Emerging Frontiers & Synergies in SRF Thin Films: From Quantum, Sensing to AI-Driven Materials
09:00 - 10:20
Room: Prince of Wales Suite
Contributions

09:00 Advancements in microwave properties of low-Tc and high-Tc superconducting films for haloscopes and other large physics experiments - Nicola Pompeo (University Roma Tre & INFN Roma Tre Section)

09:20 ALD: A pathway to mitigate two-Level System Defects in Niobium 3D Resonator for quantum applications - Yasmine kalboussi (CEA)

09:40 Advances in Superconducting Digital Logic - Anne-Marie Valente-Feliciano (Jefferson Lab)

10:00 Heterodyne Gravitational Wave Detection ? - Marc Wenskat (DESY/Universität Hamburg)
10:20 Coffee Break
Coffee Break
10:20 - 10:50
Room: Prince of Wales Suite
10:50 Summaries & Working Session
10:50 - 12:50
Room: Prince of Wales Suite
Contributions

10:50 Pushing SRF Thin Films Limits: Theoretical Advances, Deposition Modeling & DFT - Summary

11:00 Latest Advances in Nb Thin Film Technology - Summary

11:10 Nb3Sn Technology: Recent Technical Advances & Scaling Horizons- Summary

11:25 Beyond Nb & Nb3Sn - Summary

11:35 Tailored Substrates for Advanced Film Growth - Summary

11:45 Emerging Frontlines in Characterizion methods - Summary

11:55 Opportunities & Strategies for SRF Thin Films Advancement - Discussion
12:50 Workshop Close-out

12:50 - 13:05
Room: Prince of Wales Suite