Fabrication of CoPt ultra-sharp single atom tips

Tsu Yi Fu, Chia Lun Chiang, Rung Jiun Lin, Jin Long Hou, Ing Shouh Hwang, Tien T. Tsong

Research output: Contribution to journalArticle

Abstract

Two kinds of new nano tips with potential to magnetic application are fabricated. One is a PtCo alloy pyramidal tip formed by surface faceting, the other is a Pt based Co tip formed by the epitaxy with a proper growth mode. Ultra high vacuum-field ion microscopy with atomic resolution is used to investigate the atomic structures of the tip apex after various sharpen treatments.

Original languageEnglish
Pages (from-to)10687-10690
Number of pages4
JournalJournal of Nanoscience and Nanotechnology
Volume11
Issue number12
DOIs
Publication statusPublished - 2011 Dec 1

Fingerprint

Ultrahigh vacuum
Vacuum
Epitaxial growth
Microscopy
Microscopic examination
Ions
Fabrication
Atoms
fabrication
Growth
atoms
atomic structure
epitaxy
ultrahigh vacuum
apexes
microscopy
ions

Keywords

  • Cobalt
  • Field ion microscopy
  • Platinum
  • Single atom tip
  • Ultra-sharp tip

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Fu, T. Y., Chiang, C. L., Lin, R. J., Hou, J. L., Hwang, I. S., & Tsong, T. T. (2011). Fabrication of CoPt ultra-sharp single atom tips. Journal of Nanoscience and Nanotechnology, 11(12), 10687-10690. https://doi.org/10.1166/jnn.2011.4031

Fabrication of CoPt ultra-sharp single atom tips. / Fu, Tsu Yi; Chiang, Chia Lun; Lin, Rung Jiun; Hou, Jin Long; Hwang, Ing Shouh; Tsong, Tien T.

In: Journal of Nanoscience and Nanotechnology, Vol. 11, No. 12, 01.12.2011, p. 10687-10690.

Research output: Contribution to journalArticle

Fu, TY, Chiang, CL, Lin, RJ, Hou, JL, Hwang, IS & Tsong, TT 2011, 'Fabrication of CoPt ultra-sharp single atom tips', Journal of Nanoscience and Nanotechnology, vol. 11, no. 12, pp. 10687-10690. https://doi.org/10.1166/jnn.2011.4031
Fu, Tsu Yi ; Chiang, Chia Lun ; Lin, Rung Jiun ; Hou, Jin Long ; Hwang, Ing Shouh ; Tsong, Tien T. / Fabrication of CoPt ultra-sharp single atom tips. In: Journal of Nanoscience and Nanotechnology. 2011 ; Vol. 11, No. 12. pp. 10687-10690.
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