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Excellent oxidation endurance of boron nitride nanotube field electron emitters
- Authors
- Song, Yenan; Sun, Yuning; Shin, Dong Hoon; Yun, Ki Nam; Song, Yoon-Ho; Milne, 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
- 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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