• DocumentCode
    227404
  • Title

    Work function measurements on 5-3-2 tungsten dispenser cathodes using the Miram curves

  • Author

    Motta, Claudio C. ; Erbert, Heidi

  • Author_Institution
    Univ. of Sao Paulo, Sao Paulo, Brazil
  • fYear
    2014
  • fDate
    June 30 2014-July 4 2014
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    The work functions of 5BaO.3CaO.Al2O3 porous tungsten dispenser cathodes were evaluated using practice work function technique of Miram to compare the coated and uncoated cathodes performance. Details of experimental apparatus used to measurement are presented and discussed.
  • Keywords
    aluminium compounds; barium compounds; calcium compounds; cathodes; porous materials; work function; 5-3-2 porous tungsten dispenser cathodes; BaO-CaO-Al2O3; Miram curves; coated cathode performance; work function measurements; work function technique; Atmospheric measurements; Cathodes; Furnaces; Raw materials; Surface treatment; Temperature measurement; Tungsten;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Vacuum Electron Sources Conference (IVESC), 2014 Tenth International
  • Conference_Location
    St. Petersburg
  • Print_ISBN
    978-1-4799-5770-5
  • Type

    conf

  • DOI
    10.1109/IVESC.2014.6892041
  • Filename
    6892041
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=227404