Hypersonic investigation of electrochemical interfaces

Akira Harata, Qing Shen, Tsuguo Sawada

研究成果: Contribution to journalArticle査読

5 被引用数 (Scopus)

抄録

Evidence is presented that an electric double layer is observable with hypersonic waves. Potential-dependent behavior of hypersonic waves was investigated with the transient reflecting grating (TRG) method for a gold film (1 μ) electrode supported on a substrate in acidic solutions. Shapes of initial parts of the TRG-responses were dependent on the potential and composition of the solution. Theoretical calculation showed that longitudinal hypersonic echoes and heat diffusion dominate the initial part for the gold film. The acoustic wavelength of 22 nm is comparable to the thickness of the electric double layer whose structure is potential-dependent. Reflectivity of the hypersonic echoes depends on the potential.

本文言語英語
ページ(範囲)629-631
ページ数3
ジャーナルPhysica B: Condensed Matter
219-220
1-4
DOI
出版ステータス出版済み - 4 1 1996
外部発表はい

All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学

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