Excellent oxidation endurance of boron nitride nanotube field electron emitters

Journal Article · Mon Apr 21 00:00:00 EDT 2014 · Applied Physics Letters

DOI:https://doi.org/10.1063/1.4870655· OSTI ID:22262580

Song, Yenan ^[1]; Sun, Yuning; Hoon Shin, Dong; Nam Yun, Ki ^[2]; Song, Yoon-Ho ^[3]; Milne, William I. ^[4]

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1. Department of Micro/Nano Systems, Korea University, Seoul 136-713 (Korea, Republic of)
2. School of Electrical Engineering, Korea University, Seoul 136-713 (Korea, Republic of)
3. Nano Electron-Source Creative Research Center, Creative and Challenging Research Division, ETRI, Daejeon 305-700 (Korea, Republic of)
4. Electrical Engineering Division, Engineering Department, Cambridge University, Cambridge CB3 0FA (United Kingdom)

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 °C in air ambient. There is no damage to the BNNTs after thermal annealing at a temperature of 600 °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{sup 2} and show very robust emission stability. The BNNTs can be a promising emitter material for field emission devices under harsh oxygen environments.

• OSTI ID: 22262580
• Journal Information: Applied Physics Letters, Vol. 104, Issue 16; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
77 NANOSCIENCE AND NANOTECHNOLOGY
ANNEALING
BORON NITRIDES
ELECTRON EMISSION
FIELD EMISSION
NANOTUBES
OXIDATION