Microscopic Study of Work Function of Ag-Deposited Pt(111) and Ag/Pt Surface Alloy

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概要

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• The microscopic work function distributions of Ag-deposited Pt(111) surfaces and Ag/Pt surface alloy have been studied through local tunneling barrier height (LBH) imaging by means of scanning tunneling microscopy (STM). The difference in microscopic work function between Ag and Pt clusters in the Ag/Pt surface alloy is much smaller than that between Ag large islands and Pt terraces on a Ag-deposited Pt(111) surface although their Ag coverages as well as macroscopic work functions are the same. This features which occurrs when the dimensions of the clusters are a few nanometers is due to the long-range effect of work function reduction which is observed for the Cs-adsorption surfaces.

• Japan Society of Applied Physicsの論文
• 2005-01-10

著者

• MIYA Kenta

  Graduate School of Pure and Applied Sciences, University of Tsukuba

• SINSARP Asawin

  Graduate School of Pure and Applied Sciences, University of Tsukuba

• YAMAMOTO Shigehiko

  National Institute of Advanced Industrial Science and Technology, AIST 2

• Sasaki Masahiro

  Graduate School Of Biosphere Science Hiroshima University

• Miya Kenta

  Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8573, Japan

関連論文

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• Microscopic Study of Work Function of Ag-Deposited Pt(111) and Ag/Pt Surface Alloy

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