Local Tunneling Barrier Height Studies of Thermally Treated CO- and O-covered Pt(100) Surfaces
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概要
- 論文の詳細を見る
CO- and O-covered Pt(100) surfaces after thermal treatment have been studied by scanning tunneling microscopy (STM) and local tunneling barrier height (LBH) imaging. The coexistence of the reconstructed (hex) and reconstruction-deconstructed ($1\times 1$) domains with similar well-defined shapes is observed for both surfaces. However, the LBH images show that the local work function of the ($1\times 1$) domains is lower than that of the hex domains in the case of the CO-covered surface, but higher in the case of the O-covered surface. This feature is considered due to the electric dipole moment induced by O2 adsorption being higher than that induced by CO adsorption.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2004-07-15
著者
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Yamada Yoichi
Instituate for Molecular Science of Medicine
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Yamamoto Shigehiko
Institute Of Applied Physics And Center For Tsukuba Advanced Research Alliance University Of Tsukuba
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Miya Kenta
Institute Of Applied Physics University Of Tsukuba
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Sinsarp Asawin
Institute Of Applied Physics And Center For Tsukuba Advanced Research Alliance (tara) University Of
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Sasaki Masahiro
Institute of Applied Physics, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
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Sasaki Masahiro
Institute of Applied Physics and Center for Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
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Miya Kenta
Institute of Applied Physics, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
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Yamamoto Shigehiko
Institute of Applied Physics, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
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Yamamoto Shigehiko
Institute of Applied Physics and Center for Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
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