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

Research output: Contribution to journalArticle

152 Citations (Scopus)

Abstract

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
Volume81
Issue number4
DOIs
Publication statusPublished - 2002 Jul 22

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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