11th International Workshop on Thin Films and New Ideas for Pushing the Limits of RF Superconductivity - TFSRF2024

from Monday, September 16, 2024 (9:00 AM) to Friday, September 20, 2024 (6:00 PM)
Bat. 100, Université Paris-Saclay, France (Auditorium Joliot-Curie)

        : Sessions
    /     : Talks
        : Breaks
Sep 16, 2024
Sep 17, 2024
Sep 18, 2024
Sep 19, 2024
Sep 20, 2024
AM
9:00 AM
Welcome Session (until 9:30 AM)
9:00 AM Introduction talk - Dr Claire Antoine (CEA)  
9:30 AM
SRF limits (until 11:09 AM)
9:30 AM Exploring Performance Degradation in Niobium Thin Film Radio- Frequency Cavities: A Comprehensive Study - Antonio Bianchi (INFN)  
10:03 AM Superheating field in superconductors with nanostructured surface - Alex Gurevich  
10:36 AM Frequency Shift Regimes and Quality Factor of the Superconducting Cavities within the Dynes Superconductor Theory - František Herman (Comenius University in Bratislava)  
11:09 AM --- Coffee break ---
11:34 AM
SRF limits (until 1:03 PM)
11:34 AM Suppression effect on Nb3Sn films: Effects of Coating Growth Duration on the Topography of Sn Vapor-Diffused Nb3Sn - Eric Lechner (Thomas Jefferson National Accelerator Facility) Uttar Pudasaini (The College of William and Mary)  
11:57 AM Layered iron-based superconductors for SRF cavities - Akira Miyazaki (Université Paris-Saclay (FR))  
12:30 PM Surface heating in HTS-based high field pulsed RF cavities - Prof. Ruggero Vaglio (University of Napoli Federico II and CNR-SPIN, Genova, Italy)  
9:00 AM
Beyond Nb: Alternate materials and mulilayer structures (until 10:39 AM)
9:00 AM Bipolar HiPIMS-deposited Nb3Sn films: What we know so far - Guillaume Jonathan Rosaz (CERN)  
9:33 AM Nb3Sn films on Cu by Magnetron Sputtering for SRF cavities at INFN-LNL - Dorothea Fonnesu (INFN)  
10:06 AM Research of Niobium Cavity Coating with Nb3Sn Film at IHEP - Chao Dong (CN-Institute of High Energy Physics)  
10:39 AM --- Coffee Break ---
11:09 AM
Beyond Nb: Alternate materials and mulilayer structures (until 1:04 PM)
11:09 AM First results from Nb3Sn cavities in a CEBAF cryomodule - Grigory Eremeev (Fermilab) Uttar Pudasaini (The College of William and Mary) Anne-Marie Valente-Feliciano  
11:32 AM Cu-based Nb3Sn QPR sample preparation via ETS bronze route - Ming Lu (HZB)  
11:55 AM Investigations Towards Nanoscale Precise Polishing of Nb3Sn Thin Films for SRF Applications - Ziqin Yang (IMP CAS)  
12:18 PM Nb3Sn on Cu in High Field - Andre Juliao  
12:41 PM Microwave Vortex-dynamics Characterization in Nb3Sn under High Magnetic Fields - Dr Pablo Vidal Garcia (Roma Tre University)  
9:00 AM
Advanced substrates (until 10:55 AM)
9:00 AM Copper full-seamless substrate cavity manufactured by hydroforming - Hayato Araki (High Energy Accelerator Research Organization (JP))  
9:23 AM Additive manufacturing at LNL - Davide Ford  
9:46 AM 3D additive fabrication of Cu cavity with cooling channeling at CEA - Dr Thomas Proslier  
10:09 AM Plasma Electrolytic Polishing for SRF - Eduard Chyhyrynets  
10:32 AM Rapid electropolishing of niobium in non-aqueous solvents - Qingwei Chu  
10:55 AM --- Coffee break ---
11:15 AM
SRF Thin Films Characterization (until 1:10 PM)
11:15 AM CW mode test and electromagnetic-thermal simulation of conduction-cooled SRF cavities at PKU - Mr Manqian Ren (Peking University)  
11:38 AM RF Characterisation of Planar Thin Film Coated Sample - Daniel Seal (Lancaster University/Cockcroft Institute)  
12:01 PM Progress in the design and testing of thin film on longitudinal split RF cavity - Nathan Leicester  
12:24 PM Development of 1.3 GHz Cavity Test Facilities - Dr Oleg Malyshev (UKRI/STFC Daresbury Laboratory)  
12:47 PM First magnetic field penetration results of Multilayer samples and A15 materials for the use in SRF applications. - Liam Smith  
9:00 AM
SRF Thin Films Characterization (until 10:55 AM)
9:00 AM Depth-resolved characterization of superconductor-superconductor bilayer properties beneficial for SRF applications - Md Asaduzzaman (CA-University of Victoria, Canada)  
9:33 AM Positron annihilation spectroscopy: pursuing point defects in superconducting film - Sebastian Klug  
10:06 AM Enhancement of magnetic flux expulsion in multilayer structures - Dan Turner (CERN)  
10:29 AM Thermal Conductance measurements of SIS & Nb3Sn coated samples at cryogenic temperatures - Marc Wenskat  
10:55 AM --- coffee break ---
11:15 AM
Functional Layers -Synergies (until 12:24 PM)
11:15 AM Surface engineering by atomic layer deposition and heat treatment for 3D Niobium resonators for applications in superconducting qubits - Yasmine Kalboussi  
11:38 AM Point Contact Tunneling Spectroscopy for Qubits and SRF cavities - Ivana Curci (CEA)  
12:01 PM Atomic layer deposition of Ta2O5 - a new material for coating cavities - Marco Voige (UHH/ DESY)  
9:00 AM
Thin films Roadmap (in common with IFAST WP9) (until 10:30 AM) (Salle des Conseils)
9:00 AM IFAST report - Dr Claire Antoine (CEA)  
9:30 AM CERN roadmap for thin films R&D - Walter Venturini Delsolaro (CERN)  
10:00 AM Thin film road map in Snowmass - Anne-Marie Valente-Feliciano  
10:30 AM --- Coffee break ---
11:00 AM
Thin films Roadmap (in common with IFAST WP9) (until 1:00 PM) (Salle des Conseils)
11:00 AM Roadmap discussion 1: R&D on Nb/Cu  
11:30 AM Roadmap discussion 2: Nb3Sn  
12:00 PM Roadmap discussion 3: Other Superconductors  
12:30 PM Roadmap discussion 4: R&D on SIS  
PM
1:03 PM --- Lunch Break ---
2:30 PM
Deposition modeling (until 3:16 PM)
2:30 PM EQP energy and mass analyser - Dr Stephane Simon  
2:53 PM Reducing the Thermal Effects during Coating of SRF Cavities: A Case Study for Atomic Layer Deposition of Alumina with a Combined Numerical and Experimental Approach - Getnet Kacha Deyu  
3:16 PM
Nb thin film technology (until 4:12 PM)
3:16 PM Status of HIPIMs develpments at CERN - Mr Kristof Brunner  
3:49 PM Ion bombardment energy effect on microstructure and critical current density of Nb/Cu thin films for SRF application. - Guillaume Jonathan Rosaz (CERN)  
4:12 PM --- Coffee break ---
4:32 PM
Nb thin film technology (until 6:12 PM)
4:32 PM HiPIMS Nb/Cu cavities at 1.3 GHz - Anne-Marie Valente-Feliciano  
5:05 PM HiPIMS Deposition of Nb Coatings with Bias Voltage: Preparation and Characterization at IHEP - Haichang Duan (IHEP)  
5:29 PM Addressing the Medium-Field Q-Slope Challenge in Nb Thin Film Cavities - Bektur Abdisatarov (FERMILAB)  
6:30 PM --- Welcome cocktail ---
1:05 PM --- Lunch Break ---
2:30 PM
Beyond Nb: Alternate materials and mulilayer structures (until 3:50 PM)
2:30 PM SRF Thin Film Deposition of Material Other Than Nb For SRF Cavities. - Dr Reza Valizadeh (STFC Daresbury Laboratory)  
3:03 PM Progress on MgB2 coating for Cu superconducting RF cavities - Ke Chen (Temple University)  
3:26 PM Enhancement of the lower critical field in Fe(Se,Te)-coated Nb structures for superconducting radio-frequency applications - Zefeng Lin (Institute of Physics, Chinese Academy of Sciences)  
3:50 PM --- coffe break ---
4:20 PM
Beyond Nb: Alternate materials and mulilayer structures (until 6:29 PM)
4:20 PM Development of Nb3Sn films for single and multilayer structures - Oleksandr Hryrorenko (JLab)  
4:43 PM Effects of deposition parameters on superconducting NbTiN thin films for use in SRF multilayer structures - Bharath Reddy Lakki Reddy Venkata (University of Siegen)  
5:06 PM Thin-film study of Nb3Sn-AlN-Nb and NbN-AlN-Nb on 3GHz cavity by DC magnetron sputtering. - Ryo Katamaya (KEK)  
5:29 PM Nb3Sn Hot Topic Discussion  
1:10 PM --- Lunch break ---
2:45 PM
Lab's visit (until 5:10 PM)
7:30 PM --- Workshop dinner ---
12:24 PM --- Lunch break ---
1:49 PM
Functional Layers -Synergies (until 3:28 PM)
1:49 PM Thin films to mitigate multipacting - Dr Thomas Proslier Mathieu Lafarie  
2:12 PM Status of the Inner-wall Thermal Conducting Film (ITCF) Study - Didi Luo (IMP CAS)  
2:35 PM Characterization of PEALD Coated Thin Films for SRF Cavity Research - Lea Sophie Preece  
2:58 PM Discussion time  
3:28 PM --- coffee beak ---
3:48 PM
Perspective of SRF thin films in accelerators and other applications (until 5:04 PM)
3:48 PM Exploring the perspectives of superconducting materials in SRF for quantum sensing - Enrico Silva  
4:11 PM SRF compact accelerators - Graeme Campbell Burt (Lancaster University (GB))  
4:44 PM Closing remarks  
1:00 PM --- lunch break ---
2:30 PM
Thin films Roadmap (in common with IFAST WP9) (until 4:00 PM) (Salle des Conseils)
2:30 PM Roadmap discussion 5: R&D on Surface functionalization  
3:00 PM Roadmap discussion 6: Copper substrate fabrication and surface preparation  
3:30 PM Roadmap discussion 7: General characterization/surface sciences  
4:00 PM --- Coffee break ---
4:30 PM
Thin films Roadmap (in common with IFAST WP9) (until 6:00 PM)
4:30 PM Roadmap discussion 8: Cavity preparation and RF testing  
5:00 PM Roadmap discussion 9: theory  
5:30 PM Roadmap discussion 10: Industrialization