Virtual International Workshop on Nb3Sn SRF Science, Technology, and Applications (Nb3SnSRF’20)

from Tuesday, 10 November 2020 (08:00) to Friday, 13 November 2020 (12:05)
Online

        : Sessions
    /     : Talks
        : Breaks
10 Nov 2020
11 Nov 2020
12 Nov 2020
13 Nov 2020
AM
08:00 Welcome - Matthias Liepe   ()
08:05
Fundamental Studies - Nathan Sitaraman (Cornell University) (until 09:50) ()
08:05 Mitigation of Performance-Limiting Mechanisms in Nb3Sn SRF Films - Dr Alex Gurevich (Old Dominion University )   ()
08:25 Time-Dependent Ginzburg Landau simulations to guide Nb3Sn SRF cavity development - Mark Transtrum   ()
08:50 Towards a Floquet theory of periodically driven superconductors - Danilo Liarte   ()
09:10 $\textit{Ab Initio}$ Calculations on Point Defect Thermodynamics in Nb$_3$Sn - Nathan Sitaraman   ()
09:30 First principles study of the impact of grain boundaries on Nb$_3$Sn - Michelle Kelley (Cornell)   ()
09:50 --- Break ---
10:05
Fundamental Studies - Michelle Kelley (Cornell) (until 12:00) ()
10:05 Optimization of vortex pinning by nanoparticles using simulations of the time-dependent Ginzburg-Landau model - Dr Alexei Koshelev (Materials Science Division, Argonne National Laboratory)   ()
10:25 Tunneling Spectroscopy studies of Nb3Sn for SRF cavities - thomas proslier (CEA)   ()
10:45 Investigation of Local Nonlinear Microwave Response of Nb$_3$Sn in the Superconducting State - Steven Anlage (University of Maryland)   ()
11:05 Investigation of Nb3Sn Thin Films using Magnetic Field Penetration Measurements - Iresha Harshani Senevirathne (Old Dominion University)   ()
11:25 Critical Fields of Nb3Sn - Sebastian Keckert (Helmholtz-Zentrum Berlin)   ()
11:45 Guided discussion: Next fundamental studies needed for advancing Nb3Sn – What are the important open questions? - Mark Transtrum   ()
08:00
Growth Studies - Stephanie Fernandez (CERN) (until 09:50) ()
08:00 CONSTRUCTION OF Nb3Sn COATING SYSTEM AND TRIAL OF SAMPLE COATING AT KEK - Mr Kotaro Takahashi (SOKENDAI/KEK)   ()
08:20 Growth Studies at Northwestern University of Vapor Diffusion Samples from Fermilab - Jae Yel Lee (Northwestern University-Fermilab)   ()
08:45 Growth Studies and Optimization of Nb3Sn Coatings - Ryan Porter   ()
09:05 Nucleation of Nb3Sn films in a tin vapor diffusion process - Uttar Pudasaini (Jefferson Lab)   ()
09:25 Development and Understanding of Nb3Sn films for radiofrequency applications through a sample-host 9-cell cavity - Tiziana Spina (Fermilab)   ()
09:50 --- Break ---
10:05
Growth Studies - Zeming Sun (CLASSE) (until 12:00) ()
10:05 Nb3Sn growth in vapor diffusion: process design for large surface area coatings - Uttar Pudasaini (Jefferson Lab)   ()
10:25 Nb3Sn Coating of Complex Cavity Structures for SRF Accelerator Applications. - Jayendrika Tiskumara (Old Dominion University /JLab)   ()
10:45 Persistence of the Nb(100) Surface Oxide Reconstruction at Elevated Temperatures - Caleb Thompson (University of Chicago)   ()
11:05 Deconvoluting Initial Nb-Sn-O Interactions: Spatially Resolved Electronic Characterization of Sn Reconstructions on (3×1)-O Nb(100) - Sarah Willson (University of Chicago)   ()
11:25 Spatially Resolved Adsorption Structures and Diffusion Dynamics of Sn on (3×1)-O Nb(100) - Rachael Farber (University of Chicago)   ()
11:45 Guided discussion: Nb3Sn vapor diffusion growth: How does the Nb substrate impact growth? - Rachael Farber   ()
08:00
Growth Studies - Tiziana Spina (Fermilab) (until 09:40) ()
08:00 PVD deposition of Nb3Sn from an alloy target on copper. - reza valizadeh (STFC)   ()
08:20 Physical Vapor Deposition of Bronze-Route Nb3Sn for SRF Cavities - Dr Wenura Withanage (Applied Superconductivity Center, NHMFL-FSU)   ()
08:40 Nb3Sn Formation Using Electroplating Method for SRF Cavity - Dr Hayato Ito (KEK)   ()
09:00 Electrochemical Bronze-Route Nb3Sn for SRF Cavities - Choong-Un Kim (Univ. of Texas at Arlington)   ()
09:20 Ultra-Low Cost Approach to Superconducting Nb3Sn RF Cavities Using Melt Casted Bronze Structures - Dr Christopher REY (e2P)   ()
09:40 --- Break ---
09:55
Growth Studies - Ryan Porter (until 12:00) ()
09:55 Temperature-Dependent Characteristics of Sputtered Nb3Sn Thin Films (for Accelerator Applications) - Katrina Howard (CLASSE)   ()
10:15 Nb3Sn growth by sequential sputtering: film morphology and its RF properties - Md Nizam Sayeed (Old Dominion University)   ()
10:35 Magnetron sputtered Nb3Sn and V3Si thin films on copper substrates for SRF application - Dr Stephanie Fernandez (CERN)   ()
11:00 Ultramet Thin-film CVD Nb3Sn Coating Process Development for Copper SRF Cavities - Mr Shawn McNeal (Ultramet)   ()
11:20 Electrochemical deposition for generating Nb3Sn films with low surface roughness and stoichiometry - Zeming Sun (CLASSE)   ()
11:45 Guided discussion: Alternative Nb3Sn growth methods - What are the challenges and next steps? - Dr Anne-Marie Valente-Feliciano (JLAB)   ()
08:00
Performance -Dr Suba De Silva (Old Dominion University) (until 09:45) ()
08:00 Development of Nb3Sn cavity by vapor diffusion method at IMP - Ziqin Yang (Institute of Modern Physics, Chinese Academy of Science)   ()
08:20 Surface Resistance, Frequency Dependence, and Field Limitation in Nb3Sn Cavities - Ryan Porter   ()
08:45 Nb3Sn 5-cell cavity qualification for Nb3Sn cryomodule - Dr Grigory Eremeev (FNAL)   ()
09:10 Recent Nb3Sn cavity results from Fermilab - Sam Posen (FNAL)   ()
09:30 Guided discussion: Most promising pathways to higher gradients – What do we think are the current limitations? - Charles Reece   ()
09:45 --- W\ORKSHOP PHOTO ---
09:50 --- Break ---
10:00
Applications -Dr Grigory Eremeev (FNAL) (until 12:00) ()
10:00 Conduction cooled SRF photogun for UEM/UED applications - Dr Roman Kostin (Euclid)   ()
10:20 Field Emission Cathodes on Niobium Conduction-Cooled SRF Cavity - Daniel Mihalcea (Northern Illinois University)   ()
10:40 Cryocooler conduction cooled SRF cavities: experiments and compact SRF accelerator development at Fermilab - Ram Dhuley (Fermi National Accelerator Laboratory)   ()
11:05 Accelerator Stewardship with Nb3Sn at JLab - Gigi Ciovati (Jefferson Lab)   ()
11:25 Conduction Cooling Studies for 2.6 GHz Nb3Sn SRF Cavities - Neil Stilin (Cornell University)   ()
11:50 Guided discussion: First applications for Nb3Sn cavities – What performance demonstrations/milestones are needed to prove readiness? - Sam Posen (FNAL)   ()
PM
12:00 Closeout   ()