Neutron reflection measurement of near-surface structural change in an oil-water-surfactant system

U. Jeng, L. Esibov, M. L. Crow, A. Steyerl

Research output: Contribution to journalConference articlepeer-review

Abstract

The interfacial characteristics of an oil-water-surfactant sample were studied using the thermal neutron reflectometer at the Rhode Island Nuclear Science Center (RINSC). The sample was a mixture of deuterated octane with H2O and non-ionic surfactant (C10E4), spread onto an H2O substrate. A mixture of low surfactant concentration was used so that it could demix into a lamellar oil-water structure, stabilized by a monolayer of surfactant intervening at each oil-water interface. The reflectivity data showed a clearly visible difference between 25.2° C and 30.2°C, indicating that the significant increase of interfacial tension between these two temperatures induced a structural transition.

Original languageEnglish
Pages (from-to)217-222
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Volume376
StatePublished - 1995
Externally publishedYes
EventProceedings of the 1994 MRS Fall Meeting - Boston, MA, USA
Duration: Nov 28 1994Nov 30 1994

Fingerprint

Dive into the research topics of 'Neutron reflection measurement of near-surface structural change in an oil-water-surfactant system'. Together they form a unique fingerprint.

Cite this