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7th SRF Materials Workshop

Jul 16 – 17, 2012
Jefferson Lab
US/Eastern timezone

Contribution List

54 out of 54 displayed
  1. 50. Welcome - Andrew Hutton, Associate Director for Accelerator Operations, Research, and Development
    7/16/12, 8:30 AM
  2. 51. Meeting logistics - Charlie Reece, local organizing chair
    Reece
    7/16/12, 8:35 AM
  3. 1. Overview of cavity requirements for high intensity and high energy
    C. Ginsburg (Fermilab)
    7/16/12, 8:40 AM
  4. 2. FRIB SRF Cavities
    C. Compton (MSU/FRIB)
    7/16/12, 8:55 AM
  5. 3. Needs for SRF cavities for the Next Generation Light Source
    John Corlett (LBL)
    7/16/12, 9:10 AM
    Via WebEx
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  6. 4. Accelerator R&D News
    Michael Zisman (DOE detailee)
    7/16/12, 9:25 AM
  7. 10. Discussion - Overview topics
    7/16/12, 9:40 AM
  8. 5. Tuning the superheating and RF break-down fields of type-II superconductors by impurities
    Fareh Lin (ODU)
    7/16/12, 10:20 AM
  9. 6. Calculations of hotspots caused by trapped vortices
    A. Gurevich (ODU)
    7/16/12, 10:35 AM
  10. 7. DFT analyses of structures that limit SRF cavity performance: I. interactions between Nb, H, and native defects
    D. Ford (Fermilab / NWU)
    7/16/12, 10:50 AM
  11. 8. DFT analyses of structures that limit SRF cavity performance: II. interactions with other interstitials, chiefly oxygen
    D. Ford (Fermilab / NWU)
    7/16/12, 11:00 AM
  12. 11. The Closing Quasiparticle Spectral Gap and its Implications for Nb3Sn
    Sam Posen (Cornell)
    7/16/12, 11:10 AM
  13. 12. Quench and trapped flux studies at Cornell
    Daniel Gonnella (Cornell)
    7/16/12, 11:25 AM
  14. 13. Variation of Surface Superconductivity with cold-work deformations on Superconducting RF quality Niobium
    Zuhawn Sung (NHMFL / FSU)
    7/16/12, 11:40 AM
  15. 14. Laser heating and laser scanning microscopy of SRF cavities
    Gigi Ciovati (JLab)
    7/16/12, 11:55 AM
  16. 15. Discussion - Theory and basic measurements
    7/16/12, 12:10 PM
  17. 16. Raw materials specifications and material batch history
    Lance Cooley (FNAL)
    7/16/12, 1:30 PM
  18. 17. Niobium RRR and Ta specifications for SRF cavities: a critical review
    Gigi Ciovati (JLab)
    7/16/12, 1:45 PM
  19. 20. Examination of surface damage layer on SRF cavities using EBSD
    Di Kang (MSU)
    7/16/12, 2:00 PM
  20. 19. Using resistivity measurements to track uptake of hydrogen as a function of material working
    Alexander Dzyuba (FNAL)
    7/16/12, 2:15 PM
  21. 18. Recovery of Phonon Peak in Annealed Niobium as a Function of Initial Strain and Hydrogen Concentration
    Saravan Chandrasekaran (MSU)
    7/16/12, 2:30 PM
  22. 21. Requirements for crystal growth of single crystal SRF niobium
    John Wallace (Casting Analysis Corp)
    7/16/12, 3:00 PM
  23. 23. In-situ tensile tests on single crystal specimens with different orientations
    Di Kang (MSU)
    7/16/12, 3:15 PM
  24. 24. Refining Crystal Plasticity Finite Element Model for Deformation of Single Crystal Niobium
    Aboozar Mapar, Thomas Bieler (MSU)
    7/16/12, 3:30 PM
  25. 22. Ingot niobium - the Choice Materials for Future SRF Cavity Applications?
    Peter Kneisel (JLab)
    7/16/12, 3:45 PM
  26. 49. Discussion - Raw materials
    7/16/12, 4:00 PM
  27. 25. High Q0 studies at FNAL
    Anna Grassellino (FNAL)
    7/16/12, 4:30 PM
  28. 27. High Q cavities at Cornell
    Nicholas Valles (Cornell)
    7/16/12, 4:45 PM
  29. 31. Depth profiling by HF rinsing and an increase in Q0
    Alexander Romanenko (FNAL)
    7/16/12, 5:00 PM
  30. 55. Mechanisms of niobium electropolishing for SRF cavities
    Ashwini Chandra (Ohio State), Michael Sumption
    7/16/12, 5:15 PM
  31. 26. High temperature heat treatment to raise the quality factor of large grain niobium cavities
    Pashupati Dhakal (JLab)
    7/16/12, 5:30 PM
  32. 48. Evaluations of mechanical polishing for "baseline" and "acid free" processing
    Charlie Cooper (FNAL)
    7/17/12, 8:45 AM
  33. 29. Direct observation of hydrides in cavity-grade niobium
    Alexander Romanenko (FNAL)
    7/17/12, 9:00 AM
  34. 47. Genesis of topography by buffered chemical polishing of niobium
    Liang Zhao (W&M)
    7/17/12, 9:15 AM
  35. 30. Recent progress with VEP at Cornell
    Fumio Furuta (Cornell)
    7/17/12, 9:30 AM
  36. 46. Development of Plasma Processing Technologies for SRF Cavities
    Janardan Upadhyay (ODU)
    7/17/12, 9:45 AM
  37. 52. Discussion - Processing progress
    7/17/12, 10:00 AM
  38. 28. SIMS Characterization of Impurity Elements in Nb: The Effect of Heat Treatments
    Prateek Maheshwari (NCSU)
    7/17/12, 11:00 AM
  39. 37. Near-Field Nonlinear Microwave Microscopy of Bulk Nb Surfaces
    Steven Anlage (U Maryland)
    7/17/12, 11:15 AM
  40. 38. Preliminary TEM results on high field hot/cold spot cutouts
    Yulia Trenikhina (IIT/FNAL)
    7/17/12, 11:30 AM
  41. 39. Signatures of RF hot spots by superconducting tunnel-junction and Raman spectroscopies
    John Zasadzinski (IIT)
    7/17/12, 11:45 AM
  42. 40. Low-field Quench, HAZ Pits and Strain in a Prototype Cavity for the European XFEL
    Roy Crooks (Black Labs Inc.)
    7/17/12, 12:00 PM
  43. 45. CYCLOPS - CavitY CaLibrated Optical Profilometry System
    John Bearden (MicroDynamics, Inc)
    7/17/12, 12:15 PM
    Internal interferometric profilometry
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  44. 41. LEAP investigations of hydrogen precipitates in SRF niobium
    David Seidman (Northwestern)
    7/17/12, 1:30 PM
  45. 42. In-situ study of Nb oxide and hydride for SRF cavity applications using electron energy loss spectroscopy
    Runzhe Tao (UIC)
    7/17/12, 1:45 PM
  46. 43. Scanning Tunneling Microscopy Studies of Single-Crystal Niobium Oxidation
    Natalie Kautz (U Chicago)
    7/17/12, 2:00 PM
  47. 44. Atomic-scale characterization of niobium for SRF cavities using ultraviolet laser-assisted local- electrode atom-probe tomography and aberration-corrected transmission electron microscopy
    YoonJun Kim (Northwestern)
    7/17/12, 2:15 PM
  48. 54. Discussion - Nb characterization
    7/17/12, 2:30 PM
  49. 32. Spin-forming of seamless cavities
    Enzo Palmieri (INFN/Legnaro, U Padua)
    7/17/12, 3:00 PM
  50. 33. Niobium tube specification and procurement for seamless forming
    Lance Cooley (FNAL)
    7/17/12, 3:20 PM
  51. 34. Bulge testing of copper and niobium
    Ted Collings (Ohio State)
    7/17/12, 3:30 PM
  52. 35. Fabrication of Seamless Nb Tube for SRF Cavities
    K. T. Hartwig (TAMU)
    7/17/12, 3:45 PM
  53. 53. Discussion - Seamless forming
    7/17/12, 4:00 PM
  54. 9. magnetic flux structure under different fields in cavity niobium by Bitter decoration
    Fedor Barkov (Fermilab)

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