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Title: Excellent oxidation endurance of boron nitride nanotube field electron emitters

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.
Authors:
 [1] ; ; ;  [2] ;  [3] ;  [4] ;  [1] ;  [5]
  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)
  5. (Korea, Republic of)
Publication Date:
OSTI Identifier:
22262580
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 104; Journal Issue: 16; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY; ANNEALING; BORON NITRIDES; ELECTRON EMISSION; FIELD EMISSION; NANOTUBES; OXIDATION