February 2012

Journal

Nanostructure TEM analysis of diamond cold cathode field emitters

By:
Wade, Travis; Ghosh, Nikkon; Wittig, James E; Kang, Weng; Allard Jr, Lawrence F; Unocic, Kinga A; Davidson, James; Tolk, Norman
Journal Name:
Diamond and Related Materials
Page Number:
29-32
Volume:
22
Publication Date:
February 2012
View DOI Listing:
https://doi.org/10.1016/j.diamond.2011.11.007

Abstract

Diamond cold cathode devices have demonstrated significant potential as electron field emitters. Ultra-sharp diamond pyramidal tips (~5nm tip radius) have been fabricated and show improvement in emission when compared to conventional field emitters. However, the emission mechanisms in these complex diamond nanostructures are not well understood. Transmission electron microscopy performed in this study provides new insight into tip structure and composition with implications for field emission and diamond growth.


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