Self-organization of uniform Ag nano-clusters on Sb-terminated Si(100) surface

Kang Ho Park, Jeong Sook Ha, Wan Soo Yun, El Hang Lee

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Nanometer sized Ag clusters were found to be uniformly formed in the initial stage of Ag growth on Sb-terminated Si(100) surfaces. Due to the saturation of Si dangling bonds by Sb adatoms, Ag clusters were grown on the Sb-terminated Si(100) surface without a Ag wetting layer. We found that the diameters and heights of Ag clusters were confined to a nanometer scale, and the size distribution was quite uniform compared to Ag growth on Sb-terminated Si(111). Those features are considered to result from the separation of Ag clusters by coherently aligned voids in the underlying Sb-terminated Si(100) surface. Tunneling spectroscopy measurements showed that the local conduction properties of Ag clusters gradually changed from semiconducting to metallic as Ag coverage increased.

Original languageEnglish
Pages (from-to)320-327
Number of pages8
JournalSurface Science
Volume415
Issue number3
Publication statusPublished - 1998 Oct 9
Externally publishedYes

Fingerprint

Dangling bonds
Adatoms
Wetting
Spectroscopy
adatoms
wetting
voids
saturation
conduction
spectroscopy

Keywords

  • Antimony
  • Clusters
  • Morphology
  • Roughness and topography
  • Scanning tunneling microscopy
  • Scanning tunneling spectroscopy
  • Silicon
  • Silver
  • Surface electrical transport
  • Surface structure

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Self-organization of uniform Ag nano-clusters on Sb-terminated Si(100) surface. / Park, Kang Ho; Ha, Jeong Sook; Yun, Wan Soo; Lee, El Hang.

In: Surface Science, Vol. 415, No. 3, 09.10.1998, p. 320-327.

Research output: Contribution to journalArticle

Park, KH, Ha, JS, Yun, WS & Lee, EH 1998, 'Self-organization of uniform Ag nano-clusters on Sb-terminated Si(100) surface', Surface Science, vol. 415, no. 3, pp. 320-327.
Park, Kang Ho ; Ha, Jeong Sook ; Yun, Wan Soo ; Lee, El Hang. / Self-organization of uniform Ag nano-clusters on Sb-terminated Si(100) surface. In: Surface Science. 1998 ; Vol. 415, No. 3. pp. 320-327.
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