Low-dimensional Structures of Submonolayer Potassium Deposited on Stepped (755) Surfaces of Copper and Nickel

Koji Ogawa; Nobuyuki Fujisawa; Koji Nakanishi; Hidetoshi Namba

doi:10.1380/ejssnt.2006.494

Conference -ISSS-4-

Low-dimensional Structures of Submonolayer Potassium Deposited on Stepped (755) Surfaces of Copper and Nickel

Koji Ogawa, Nobuyuki Fujisawa, Koji Nakanishi, Hidetoshi Namba

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Keywords: Atomic chain, Potassium, Stepped single crystal surfaces, Nickel, Copper, Low energy electron diffraction (LEED)

JOURNAL FREE ACCESS

2006 Volume 4 Pages 494-496

DOI https://doi.org/10.1380/ejssnt.2006.494

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Abstract

We deposited a submonolayer of potassium on stepped (755)[=6(111)×(100)] surfaces of copper and nickel in order to fabricate one-dimensional (1D) atomic-chain structures. Upon deposition of 0.09-ML potassium, we obtained 1D atomic chains on Ni(755) but not on Cu(755) as revealed from the low-energy-electron-diffraction(LEED) patterns. The difference in potassium structure has been attributed to the difference in interaction of potassium adsorbates with terraces and steps of the substrates. [DOI: 10.1380/ejssnt.2006.494]

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