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Excellent oxidation endurance of boron nitride nanotube field electron emitters

Authors
Song, YenanSun, YuningShin, Dong HoonYun, Ki NamSong, Yoon-HoMilne, William I.Lee, Cheol Jin
Issue Date
21-4월-2014
Publisher
AMER INST PHYSICS
Citation
APPLIED PHYSICS LETTERS, v.104, no.16
Indexed
SCIE
SCOPUS
Journal Title
APPLIED PHYSICS LETTERS
Volume
104
Number
16
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/98745
DOI
10.1063/1.4870655
ISSN
0003-6951
Abstract
Boron nitride nanotubes (BNNTs) are considered as a promising cold electron emission material owing to their negative electron affinity. BNNT field emitters show excellent oxidation endurance after high temperature thermal annealing of 600 degrees C in air ambient. There is no damage to the BNNTs after thermal annealing at a temperature of 600 degrees C and also no degradation of field emission properties. The thermally annealed BNNTs exhibit a high maximum emission current density of 8.39 mA/cm(2) and show very robust emission stability. The BNNTs can be a promising emitter material for field emission devices under harsh oxygen environments. (C) 2014 AIP Publishing LLC.
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