Electrical Transport Ability of Nanostructured Potassium-Doped Titanium Oxide Film
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概要
- 論文の詳細を見る
Potassium-doped nanostructured titanium oxide films were fabricated using a wet corrosion process with various KOH solutions. The doped condition of potassium in TiO2 was confirmed by Raman spectroscopy and X-ray photoelectron spectroscopy (XPS). Nanotubular were synthesized at a dopant concentration of ${<}0.27$%; when the dopant concentration increased to ${>}0.27$%, these structures disappeared. To investigate the electrical properties of K-doped TiO2, pseudo metal--oxide--semiconductor field-effect transistor (MOSFET) samples were fabricated. The samples exhibited a distinct electrical behavior and p-type characteristics. The electrical behavior was governed by the volume of the dopant when the dopant concentration was ${<}0.10$% and the volume of the TiO2 phase when the dopant concentration was ${>}0.18$%.
- 2011-02-25
著者
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Matsuno Ryosuke
Department Of Anatomy Showa University School Of Medicine
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Takai Madoka
Department Of Materials Engineering University Of Tokyo
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Ishihara Kazuhiko
Department Of Biochemistry Kitasato University Graduate School Of Medical Sciences
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Lee So-Yoon
Department of Materials Engineering, School of Engineering, The University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
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Ishihara Kazuhiko
Department of Materials Engineering, School of Engineering, The University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
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Takai Madoka
Department of Bioengineering, School of Engineering, The University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
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