CERN Accelerating science

If you experience any problem watching the video, click the download button below
Download Embed
Internal Note
Report number CERN-ACC-Note-2015-0012
Title Characterization of Nb coating in HIE-ISOLDE QWR superconducting accelerating cavities by means of SEM-FIB and TEM
AbbreviationQWR - Quarter Wave Resonators
SEM - Scanning Electron Microscope
FIB - Focused Ion Beam
TEM - Transmission Electron Microscopy
Author(s) Bartova, Barbora (CERN) ; Sublet, Alban Rene Maurice (CERN) ; Taborelli, M (CERN) ; Aebersold, A B (EPFL) ; Alexander, D T L (EPFL) ; Cantoni, M (CIME) ; Calatroni, Sergio (CERN)
Corporate author(s) CERN. Geneva. ATS Department
Publication 2015
Imprint 21 May 2015
Number of pages 7
Subject category Accelerators and Storage Rings
Accelerator/Facility, Experiment CERN ISOLDE
Project CERN HIE-ISOLDE
Technology Magnetic Fields and Measurements
Keywords Nb coating ; SEM-FIB ; TEM ; Characterisation
Abstract The Quarter Wave Resonators (QWR) high-β cavities (0.3 m diameter and 0.9 m height) are made from OFE 3D-forged copper and are coated by DC-bias diode sputtering with a thin superconducting layer of niobium. The Nb film thickness, morphology, purity and quality are critical parameters for RF performances of the cavity. They have been investigated in a detailed material study.
Submitted by [email protected]

 


 Záznam vytvorený 2015-05-21, zmenený 2023-08-04


Plný text:
Nahraj plný text
PDF