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

from Monday 16 September 2024 (09:00) to Friday 20 September 2024 (18:00)
Bat. 100, Université Paris-Saclay, France (Auditorium Joliot-Curie)

        : Sessions
    /     : Talks
        : Breaks
16 Sept 2024
17 Sept 2024
18 Sept 2024
19 Sept 2024
20 Sept 2024
AM
09:00
Welcome Session (until 09:30)
09:00 Introduction talk - Dr Claire Antoine (CEA)  
09:30
SRF limits (until 11:09)
09:30 Exploring Performance Degradation in Niobium Thin Film Radio- Frequency Cavities: A Comprehensive Study - Antonio Bianchi (INFN)  
10:03 Superheating field in superconductors with nanostructured surface - Alex Gurevich  
10:36 Frequency Shift Regimes and Quality Factor of the Superconducting Cavities within the Dynes Superconductor Theory - František Herman (Comenius University in Bratislava)  
11:09 --- Coffee break ---
11:34
SRF limits (until 13:03)
11:34 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 Layered iron-based superconductors for SRF cavities - Akira Miyazaki (Université Paris-Saclay (FR))  
12:30 Surface heating in HTS-based high field pulsed RF cavities - Prof. Ruggero Vaglio (University of Napoli Federico II and CNR-SPIN, Genova, Italy)  
09:00
Beyond Nb: Alternate materials and mulilayer structures (until 10:39)
09:00 Bipolar HiPIMS-deposited Nb3Sn films: What we know so far - Guillaume Jonathan Rosaz (CERN)  
09:33 Nb3Sn films on Cu by Magnetron Sputtering for SRF cavities at INFN-LNL - Dorothea Fonnesu (INFN)  
10:06 Research of Niobium Cavity Coating with Nb3Sn Film at IHEP - Chao Dong (CN-Institute of High Energy Physics)  
10:39 --- Coffee Break ---
11:09
Beyond Nb: Alternate materials and mulilayer structures (until 13:04)
11:09 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 Cu-based Nb3Sn QPR sample preparation via ETS bronze route - Ming Lu (HZB)  
11:55 Investigations Towards Nanoscale Precise Polishing of Nb3Sn Thin Films for SRF Applications - Ziqin Yang (IMP CAS)  
12:18 Nb3Sn on Cu in High Field - Andre Juliao  
12:41 Microwave Vortex-dynamics Characterization in Nb3Sn under High Magnetic Fields - Dr Pablo Vidal Garcia (Roma Tre University)  
09:00
Advanced substrates (until 10:55)
09:00 Copper full-seamless substrate cavity manufactured by hydroforming - Hayato Araki (High Energy Accelerator Research Organization (JP))  
09:23 Additive manufacturing at LNL - Davide Ford  
09:46 3D additive fabrication of Cu cavity with cooling channeling at CEA - Dr Thomas Proslier  
10:09 Plasma Electrolytic Polishing for SRF - Eduard Chyhyrynets  
10:32 Rapid electropolishing of niobium in non-aqueous solvents - Qingwei Chu  
10:55 --- Coffee break ---
11:15
SRF Thin Films Characterization (until 13:10)
11:15 CW mode test and electromagnetic-thermal simulation of conduction-cooled SRF cavities at PKU - Mr Manqian Ren (Peking University)  
11:38 RF Characterisation of Planar Thin Film Coated Sample - Daniel Seal (Lancaster University/Cockcroft Institute)  
12:01 Progress in the design and testing of thin film on longitudinal split RF cavity - Nathan Leicester  
12:24 Development of 1.3 GHz Cavity Test Facilities - Dr Oleg Malyshev (UKRI/STFC Daresbury Laboratory)  
12:47 First magnetic field penetration results of Multilayer samples and A15 materials for the use in SRF applications. - Liam Smith  
09:00
SRF Thin Films Characterization (until 10:55)
09:00 Depth-resolved characterization of superconductor-superconductor bilayer properties beneficial for SRF applications - Md Asaduzzaman (CA-University of Victoria, Canada)  
09:33 Positron annihilation spectroscopy: pursuing point defects in superconducting film - Sebastian Klug  
10:06 Enhancement of magnetic flux expulsion in multilayer structures - Dan Turner (CERN)  
10:29 Thermal Conductance measurements of SIS & Nb3Sn coated samples at cryogenic temperatures - Marc Wenskat  
10:55 --- coffee break ---
11:15
Functional Layers -Synergies (until 12:24)
11:15 Surface engineering by atomic layer deposition and heat treatment for 3D Niobium resonators for applications in superconducting qubits - Yasmine Kalboussi  
11:38 Point Contact Tunneling Spectroscopy for Qubits and SRF cavities - Ivana Curci (CEA)  
12:01 Atomic layer deposition of Ta2O5 - a new material for coating cavities - Marco Voige (UHH/ DESY)  
09:00
Thin films Roadmap (in common with IFAST WP9) (until 10:30) (Salle des Conseils)
09:00 IFAST report - Dr Claire Antoine (CEA)  
09:30 CERN roadmap for thin films R&D - Walter Venturini Delsolaro (CERN)  
10:00 Thin film road map in Snowmass - Anne-Marie Valente-Feliciano  
10:30 --- Coffee break ---
11:00
Thin films Roadmap (in common with IFAST WP9) (until 13:00) (Salle des Conseils)
11:00 Roadmap discussion 1: R&D on Nb/Cu  
11:30 Roadmap discussion 2: Nb3Sn  
12:00 Roadmap discussion 3: Other Superconductors  
12:30 Roadmap discussion 4: R&D on SIS  
PM
13:03 --- Lunch Break ---
14:30
Deposition modeling (until 15:16)
14:30 EQP energy and mass analyser - Dr Stephane Simon  
14:53 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  
15:16
Nb thin film technology (until 16:12)
15:16 Status of HIPIMs develpments at CERN - Mr Kristof Brunner  
15:49 Ion bombardment energy effect on microstructure and critical current density of Nb/Cu thin films for SRF application. - Guillaume Jonathan Rosaz (CERN)  
16:12 --- Coffee break ---
16:32
Nb thin film technology (until 18:12)
16:32 HiPIMS Nb/Cu cavities at 1.3 GHz - Anne-Marie Valente-Feliciano  
17:05 HiPIMS Deposition of Nb Coatings with Bias Voltage: Preparation and Characterization at IHEP - Haichang Duan (IHEP)  
17:29 Addressing the Medium-Field Q-Slope Challenge in Nb Thin Film Cavities - Bektur Abdisatarov (FERMILAB)  
18:30 --- Welcome cocktail ---
13:05 --- Lunch Break ---
14:30
Beyond Nb: Alternate materials and mulilayer structures (until 15:50)
14:30 SRF Thin Film Deposition of Material Other Than Nb For SRF Cavities. - Dr Reza Valizadeh (STFC Daresbury Laboratory)  
15:03 Progress on MgB2 coating for Cu superconducting RF cavities - Ke Chen (Temple University)  
15:26 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)  
15:50 --- coffe break ---
16:20
Beyond Nb: Alternate materials and mulilayer structures (until 18:29)
16:20 Development of Nb3Sn films for single and multilayer structures - Oleksandr Hryrorenko (JLab)  
16:43 Effects of deposition parameters on superconducting NbTiN thin films for use in SRF multilayer structures - Bharath Reddy Lakki Reddy Venkata (University of Siegen)  
17:06 Thin-film study of Nb3Sn-AlN-Nb and NbN-AlN-Nb on 3GHz cavity by DC magnetron sputtering. - Ryo Katamaya (KEK)  
17:29 Nb3Sn Hot Topic Discussion  
13:10 --- Lunch break ---
14:45
Lab's visit (until 17:10)
19:30 --- Workshop dinner ---
12:24 --- Lunch break ---
13:49
Functional Layers -Synergies (until 15:28)
13:49 Thin films to mitigate multipacting - Dr Thomas Proslier Mathieu Lafarie  
14:12 Status of the Inner-wall Thermal Conducting Film (ITCF) Study - Didi Luo (IMP CAS)  
14:35 Characterization of PEALD Coated Thin Films for SRF Cavity Research - Lea Sophie Preece  
14:58 Discussion time  
15:28 --- coffee beak ---
15:48
Perspective of SRF thin films in accelerators and other applications (until 17:04)
15:48 Exploring the perspectives of superconducting materials in SRF for quantum sensing - Enrico Silva  
16:11 SRF compact accelerators - Graeme Campbell Burt (Lancaster University (GB))  
16:44 Closing remarks  
13:00 --- lunch break ---
14:30
Thin films Roadmap (in common with IFAST WP9) (until 16:00) (Salle des Conseils)
14:30 Roadmap discussion 5: R&D on Surface functionalization  
15:00 Roadmap discussion 6: Copper substrate fabrication and surface preparation  
15:30 Roadmap discussion 7: General characterization/surface sciences  
16:00 --- Coffee break ---
16:30
Thin films Roadmap (in common with IFAST WP9) (until 18:00)
16:30 Roadmap discussion 8: Cavity preparation and RF testing  
17:00 Roadmap discussion 9: theory  
17:30 Roadmap discussion 10: Industrialization