Cascading third-order Raman process and local structure formation in binary liquid mixtures of benzene and n-hexane

Shinsuke Shigeto, Hideaki Kano, Hiro O. Hamaguchi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

The cascading third-order Raman process in binary mixtures of benzene and n-hexane was studied by six-wave mixing coherent anti-Stokes Raman scattering spectroscopy. By examining the concentration dependence of the cascading third-order signal intensity, we investigated the formation of local structures of benzene in the binary mixtures. A significant deviation from the dependence expected for homogeneous mixtures was observed at benzene concentrations above 7 mol dm -3. This deviation can be interpreted in terms of optical inhomogeneity caused by the formation of domain structures of benzene molecules. We discuss the feasibility of the cascading third-order process as a sensitive probe for the microscopic structures that are formed in liquids and solutions.

Original languageEnglish
Article number064504
JournalJournal of Chemical Physics
Volume122
Issue number6
DOIs
Publication statusPublished - 2005
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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