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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/28816

Title: Fabrication, microstructure, and enhanced thermionic electron emission properties of vertically aligned nitrogen-doped nanocrystalline diamond nanorods
Authors: Sankaran, Kamatchi Jothiramalingam
Deshmukh, Sujit
Korneychuk, Svetlana
Yeh, Chien-Jui
Thomas, Joseph Palathinkal
Drijkoningen, Sien
Pobedinskas, Paulius
Van Bael, Marlies K.
Verbeeck, Johan
Leou, Keh-Chyang
Leung, Kam-Tong
Roy, Susanta Sinha
Lin, I-Nan
Haenen, Ken
Issue Date: 2018
Publisher: CAMBRIDGE UNIV PRESS
Citation: MRS COMMUNICATIONS, 8(3), p. 1311-1320
Abstract: Vertically aligned nitrogen-doped nanocrystalline diamond nanorods are fabricated from nitrogen-doped nanocrystalline diamond films using reactive ion etching in oxygen plasma. These nanorods show enhanced thermionic electron emission (TEE) characteristics, viz.. a high current density of 12.0 mA/cm(2) and a work function value of 4.5 eV with an applied voltage of 3 Vat 923 K. The enhanced TEE characteristics of these nanorods are ascribed to the induction of nanographitic phases at the grain boundaries and the field penetration effect through the local field enhancement from nanorods owing to a high aspect ratio and an excellent field enhancement factor.
Notes: [Sankaran, Kamatchi Jothiramalingam; Drijkoningen, Sien; Pobedinskas, Paulius; Van Bael, Marlies K.; Haenen, Ken] Hasselt Univ, Inst Mat Res IMO, B-3590 Diepenbeek, Belgium. [Sankaran, Kamatchi Jothiramalingam; Drijkoningen, Sien; Pobedinskas, Paulius; Van Bael, Marlies K.; Haenen, Ken] IMEC Vzw, IMOMEC, B-3590 Diepenbeek, Belgium. [Deshmukh, Sujit; Roy, Susanta Sinha] Shiv Nadar Univ, Sch Nat Sci, Dept Phys, NH 91, Gautam Buddha Nagar 201314, Uttar Pradesh, India. [Korneychuk, Svetlana; Verbeeck, Johan] Univ Antwerp, Electron Microscopy Mat Sci EMAT, B-2020 Antwerp, Belgium. [Yeh, Chien-Jui; Leou, Keh-Chyang] Natl Tsing Hua Univ, Dept Engn & Syst Sci, Hsinchu, Taiwan. [Thomas, Joseph Palathinkal; Leung, Kam-Tong] Univ Waterloo, WATLab, Waterloo, ON N2L 3G1, Canada. [Thomas, Joseph Palathinkal; Leung, Kam-Tong] Univ Waterloo, Dept Chem, Waterloo, ON N2L 3G1, Canada. [Lin, I-Nan] Tamkang Univ, Dept Phys, Tamsui 251, Taiwan.
URI: http://hdl.handle.net/1942/28816
DOI: 10.1557/mrc.2018.158
ISI #: 000448887900089
ISSN: 2159-6859
Category: A1
Type: Journal Contribution
Appears in Collections: Research publications

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