Capillary Wave Propagation on Water Covered with Inhomogeneous Monolayers: Liquid/Gas Coexistence Films

Kenjiro Miyano, Kaoru Tamada

研究成果: Contribution to journalArticle査読

22 被引用数 (Scopus)

抄録

Externally generated capillary wave propagation has been studied on water whose surface was covered with a monolayer in the liquid/gas coexistence phase up to 1 kHz. A simultaneous morphology observation with a fluorescence microscope enabled us to make a one-to-one correspondence between the fraction of the liquid film and the propagation characteristics. It was found that the liquid film does not affect the capillary wave significantly until it covers more than 90% of the water surface, which indicates that the dynamic elasticity of the liquid monolayer below 1 kHz is extremely low. It was also noted that the bubbles (the gas phase) were very stable against coalescence, implying that the line tension of the liquid phase is quite low. These findings suggest that the liquid phase in equilibrium with the gas phase is in a very shallow intermolecular potential. It was confirmed that the surface waves do not affect the morphology of the monolayer.

本文言語英語
ページ(範囲)160-163
ページ数4
ジャーナルLangmuir
8
1
DOI
出版ステータス出版済み - 1 1 1992
外部発表はい

All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 凝縮系物理学
  • 表面および界面
  • 分光学
  • 電気化学

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