Nanostructure TEM analysis of diamond cold cathode field emitters

Journal Article · Sun Jan 01 00:00:00 EST 2012 · Diamond and Related Materials

DOI:https://doi.org/10.1016/j.diamond.2011.11.007· OSTI ID:1035147

Wade, Travis S. ^[1]; Ghosh, Nikkon ^[1]; Wittig, James Edward ^[2]; Kang, Weng ^[1]; Allard, Jr, Lawrence Frederick ^[2]; Unocic, Kinga A ^[2]; Davidson, James ^[1]; Tolk, Norman H. ^[1]

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1. Vanderbilt University
2. ORNL

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.

• Research Organization: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Shared Research Equipment Collaborative Research Center
• Sponsoring Organization: USDOE Office of Science (SC)
• DOE Contract Number: DE-AC05-00OR22725
• OSTI ID: 1035147
• Journal Information: Diamond and Related Materials, Vol. 22, Issue 0; ISSN 0925-9635
• Country of Publication: United States
• Language: English

Related Subjects

77 NANOSCIENCE AND NANOTECHNOLOGY
CATHODES
DIAMONDS
ELECTRONS
FIELD EMISSION
NANOSTRUCTURES
TRANSMISSION ELECTRON MICROSCOPY