Investigation of electrical transport in anodized single TiO2 nanotubes

Masashi Hattori, Kei Noda, Tatsuya Nishi, Kei Kobayashi, Hirofumi Yamada, Kazumi Matsushige

研究成果: Article査読

21 被引用数 (Scopus)

抄録

Electrical transport in anodized single titania nanotube (TNT) free from any structural effects of titania nanotube array (TNA) was investigated. An anodized TNA was disassembled into single TNTs with two-step anodization technique. Then, single TNT bridges between gold electrodes with a gap of 500 nm were prepared by dielectrophoretic alignment. Quantitative assessment of electron mobility inside single anatase and rutile TNT was carried out by 2-probe current-voltage measurement and analysis based on a metal-semiconductor- metal circuit model with Schottky barriers. Our approach to intrinsic electrical transport of single nanotube is quite effective for understanding the electronic and optical properties of TNA.

本文言語English
論文番号043105
ジャーナルApplied Physics Letters
102
4
DOI
出版ステータスPublished - 2013 1 28
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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