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Excellent oxidation endurance of boron nitride nanotube field electron emitters

  • Yenan Song
  • , Yuning Sun
  • , Dong Hoon Shin
  • , Ki Nam Yun
  • , Yoon Ho Song
  • , William I. Milne
  • , Cheol Jin Lee*
  • *此作品的通讯作者
  • Korea University
  • Electronics and Telecommunications Research Institute
  • University of Cambridge

科研成果: 期刊稿件文章同行评审

摘要

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 8.39mA/cm2 and show very robust emission stability. The BNNTs can be a promising emitter material for field emission devices under harsh oxygen environments.

源语言英语
文章编号163102
期刊Applied Physics Letters
104
16
DOI
出版状态已出版 - 21 4月 2014
已对外发布

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