Tungsten nanowires and their field electron emission properties

Yun-Hi Lee, Chang Hoon Choi, Yoon Taek Jang, Eun Kyu Kim, Byeong Kwon Ju, Nam Ki Min, Jin Ho Ahn

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151 Citations (Scopus)


We report the fabrication of tungsten nanowires, by simple thermal treatment of W films, that behave as self-catalytic layers and their excellent electron field emission properties as well. The obtained nanowires have a diameter ranging from 10 to 50 nm, showing perfect straightness and neat appearance. Typical turn-on field for the electron emission is about 5 V/μm, and the field enhancement factor β becomes 38256, which is very close to that of the high efficient single-wall carbon nanotube emitters. The most exciting result is the possibility of easy fabrication of perfectly straight nanowires as promising building blocks for terabit-level interconnection and nanomachine components without the intentional use of any heterogeneous catalysts.

Original languageEnglish
Pages (from-to)745-747
Number of pages3
JournalApplied Physics Letters
Issue number4
Publication statusPublished - 2002 Jul 22
Externally publishedYes


ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Lee, Y-H., Choi, C. H., Jang, Y. T., Kim, E. K., Ju, B. K., Min, N. K., & Ahn, J. H. (2002). Tungsten nanowires and their field electron emission properties. Applied Physics Letters, 81(4), 745-747. https://doi.org/10.1063/1.1490625