Specific surface effect on transport properties of NiO/MgO heterostructured nanowires

Keisuke Oka, Takeshi Yanagida, Kazuki Nagashima, Hidekazu Tanaka, Shu Seki, Yoshihito Honsho, Manabu Ishimaru, Akihiko Hirata, Tomoji Kawai

研究成果: Article

21 引用 (Scopus)

抜粋

NiO heterostructured nanowires are promising building blocks due to the nonvolatile resistive switching in nanoscale. Here, we report on the noncontact transport measurements of single crystalline NiO/MgO heterostructured nanowires by utilizing a microwave conductivity method. We found the substantial discrepancy up to four orders of magnitude between the heterostructured nanowires and heterothin films on the resistivity when the bulk resistivity increased, whereas the reasonable agreement was found for relatively conductive range. The origin of such huge discrepancy was interpreted in terms of both the large specific surface area of nanowires and the surface transport events of insulative NiO.

元の言語English
記事番号133110
ジャーナルApplied Physics Letters
95
発行部数13
DOI
出版物ステータスPublished - 2009 10 12
外部発表Yes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Oka, K., Yanagida, T., Nagashima, K., Tanaka, H., Seki, S., Honsho, Y., Ishimaru, M., Hirata, A., & Kawai, T. (2009). Specific surface effect on transport properties of NiO/MgO heterostructured nanowires. Applied Physics Letters, 95(13), [133110]. https://doi.org/10.1063/1.3237176