期刊
APPLIED PHYSICS EXPRESS
卷 4, 期 2, 页码 -出版社
JAPAN SOC APPLIED PHYSICS
DOI: 10.1143/APEX.4.025803
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资金
- Grants-in-Aid for Scientific Research [20106012] Funding Source: KAKEN
Potassium-doped nanostructured titanium oxide films were fabricated using a wet corrosion process with various KOH solutions. The doped condition of potassium in TiO(2) 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 TiO(2), 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 TiO(2) phase when the dopant concentration was >0.18%. (C) 2011 The Japan Society of Applied Physics
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