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

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


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.

Original languageEnglish
Article number163102
JournalApplied Physics Letters
Issue number16
Publication statusPublished - 2014 Apr 21

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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