Time-of-flight atom-probe study of a W-Zr field emitter

Toshio Sakurai, Y. Kuk, G. Robertson, G. Marlow, S. P. Murarka

    Research output: Contribution to journalArticlepeer-review


    Our high-performance time-of-flight atom probe was employed successfully in the composition analysis of zirconiated tungsten field emitters. Surface compositions were analyzed in situ under various emitter surface conditions with a mass resolution m/Δm≳2000. Our study showed that nitrogen, instead of oxygen, may play a dominant role in the surface reaction and causes the buildup of pure tungsten in the (100) plane.

    Original languageEnglish
    Pages (from-to)871-873
    Number of pages3
    JournalApplied Physics Letters
    Issue number10
    Publication statusPublished - 1980

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)


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