High-κ dielectric nanofilms fabricated from titania nanosheets

Minoru Osada; Yasuo Ebina; Hiroshi Funakubo; Shintaro Yokoyama; Takanori Kiguchi; Kazunori Takada; Takayoshi Sasaki

doi:10.1002/adma.200501224

High-κ dielectric nanofilms fabricated from titania nanosheets

Minoru Osada, Yasuo Ebina, Hiroshi Funakubo, Shintaro Yokoyama, Takanori Kiguchi, Kazunori Takada, Takayoshi Sasaki

Research output: Contribution to journal › Article

163 Citations (Scopus)

Abstract

The performance of high-κdielectric nanofilms fabricated from titania nanosheets by a solution-based layer-by-layer approach, was investigated. Multilayer films of large-sized titania nanosheets were fabricated by an electrostatic self-assembly technique using poly(diallyldimethylammonium) (PDDA) as a counter polycation. The films show a low leakage current density with a high dielectric constant of ~125 even for thickness down to 10 nm. The results clearly show that the highκ-titania nanosheets are model experimental system for prospective nanoelectronics technology and fundamental physics. The soft-chemistry-based fabrication has great potential for the rational design and construction of nanoscale devices.

Original language	English
Pages (from-to)	1023-1027
Number of pages	5
Journal	Advanced Materials
Volume	18
Issue number	8
DOIs	https://doi.org/10.1002/adma.200501224
Publication status	Published - 2006 Apr 18
Externally published	Yes

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ASJC Scopus subject areas

Materials Science(all)

Cite this

Osada, M., Ebina, Y., Funakubo, H., Yokoyama, S., Kiguchi, T., Takada, K., & Sasaki, T. (2006). High-κ dielectric nanofilms fabricated from titania nanosheets. Advanced Materials, 18(8), 1023-1027. https://doi.org/10.1002/adma.200501224

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AU - Osada, Minoru

AU - Ebina, Yasuo

AU - Funakubo, Hiroshi

AU - Yokoyama, Shintaro

AU - Kiguchi, Takanori

AU - Takada, Kazunori

AU - Sasaki, Takayoshi

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Access to Document

10.1002/adma.200501224