Electronic Property of Thin Single-Crystal Films of α-Al_2O_3 on Ru(0001) : Condensed Matter: Electronic Properties, etc.
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概要
- 論文の詳細を見る
High-quality single-crystal films of α-A1_20_3 with various thicknesses below 35 Å have been fabricated on the Ru(0001) surface. The phase transtion from n/- to α-A1_20_3 has been used for fabrication. The thickness dependence of the band gap for the oxide layer has been measured by the interband transition using electron energy loss spectroscopy. The band gap has been found to decrease with decreasing oxide thickness. The same tendency of this extraordinary result has been observed in scanning tunneling spectroscopy. These results can be interpreted by the many-body effect.
- 社団法人日本物理学会の論文
- 2001-03-15
著者
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Sakurai Takeaki
Department Of Chemistry Graduate School Of Sciences Osaka University
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Murata Yoshitada
Physcis Department The University Of Electro-communications
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Okada Michio
Department Of Chemistry Graduate School Of Sciences Osaka University
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NAGATA Kazuo
Physcis Department, The University of Electro-Communications
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FUJIMOTO Hiroshi
Physcis Department, The University of Electro-Communications
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EBE Yuki
Institute for Solid State Physics, The University of Tokyo
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Ebe Yuki
Institute For Solid State Physics The University Of Tokyo:(present) Department Of Pathology Faculty
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Nagata Kazuo
Physcis Department The University Of Electro-communications
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Fujimoto Hiroshi
Physcis Department The University Of Electro-communications
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