Preparation and characterization of single-atom tips

Hong Shi Kuo; Ing Shouh Hwang; Tsu Yi Fu; Jun Yi Wu; Che Cheng Chang; Tien T. Tsong

doi:10.1021/nl048569b

Preparation and characterization of single-atom tips

Hong Shi Kuo, Ing Shouh Hwang^*, Tsu Yi Fu, Jun Yi Wu, Che Cheng Chang, Tien T. Tsong

^*Corresponding author for this work

Department of Physics

Research output: Contribution to journal › Article › peer-review

115 Citations (Scopus)

Abstract

A new, simple, and easily reproducible method of preparing single-atom tips by electroplating Pd or Pt on single-crystal W(111) tips followed by thermal annealing in a vacuum is reported. These tips are both thermally and chemically stable and can also be regenerated when accidentally damaged. The atomic structures of the tips are identical to those prepared by vacuum evaporation, as observed by field ion microscopy. The corresponding field emission characteristics are investigated with field emission microscopy.

Original language	English
Pages (from-to)	2379-2382
Number of pages	4
Journal	Nano Letters
Volume	4
Issue number	12
DOIs	https://doi.org/10.1021/nl048569b
Publication status	Published - 2004 Dec

ASJC Scopus subject areas

Bioengineering
General Chemistry
General Materials Science
Condensed Matter Physics
Mechanical Engineering

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abstract = "A new, simple, and easily reproducible method of preparing single-atom tips by electroplating Pd or Pt on single-crystal W(111) tips followed by thermal annealing in a vacuum is reported. These tips are both thermally and chemically stable and can also be regenerated when accidentally damaged. The atomic structures of the tips are identical to those prepared by vacuum evaporation, as observed by field ion microscopy. The corresponding field emission characteristics are investigated with field emission microscopy.",

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AU - Hwang, Ing Shouh

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AU - Chang, Che Cheng

AU - Tsong, Tien T.

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AB - A new, simple, and easily reproducible method of preparing single-atom tips by electroplating Pd or Pt on single-crystal W(111) tips followed by thermal annealing in a vacuum is reported. These tips are both thermally and chemically stable and can also be regenerated when accidentally damaged. The atomic structures of the tips are identical to those prepared by vacuum evaporation, as observed by field ion microscopy. The corresponding field emission characteristics are investigated with field emission microscopy.

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Preparation and characterization of single-atom tips

Abstract

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