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Portail > Offres > Offre UMR5306-ORIBON-001 - Post-doc en matière molle : sonder les interfaces savonnées par optique non-linéaire (H/F)

Post-doctorate in soft matter : Probing soapy interfaces properties by non-linear optics (H/F)

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : vendredi 19 août 2022

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General information

Reference : UMR5306-ORIBON-001
Workplace : VILLEURBANNE
Date of publication : Friday, July 29, 2022
Type of Contract : FTC Scientist
Contract Period : 24 months
Expected date of employment : 3 October 2022
Proportion of work : Full time
Remuneration : gross salary from 2690€/month (depending on experience)
Desired level of education : PhD
Experience required : 1 to 4 years

Missions

We seek to probe the properties of soaped interfaces at the surfactant scale using nonlinear optical experiments. The postdoc will enhance an existing experimental setup to perform second harmonic generation (SHG) experiments on soaped interfaces to highlight and study spatial heterogeneities, such as molecular aggregates or the interfacial concentration gradient that causes Marangoni stresses.

More details are available here: https://drive.google.com/file/d/1qHVCkG8_yl_R4XvZQlQ93668Kj4BMvh2/view

Activities

- improvement of an experimental set-up from optical and fluidic point of views
- data analysis (Python)
- development of simple models for data interpretation
- bibliography
- writing of reports and articles, participation to conferences (if the results allow it)

Skills

We are looking for a motivated candidate with a PhD in soft matter or physical chemistry, with a strong interest in experimental research. Skills in soap films and foams or SHG experiments will be a real advantage.

Work Context

- This project will take place within the ANR SOLSTICE framework
- The candidate will be hosted by the Nonlinear Optics and Interfaces team of the Institut Lumière et Matière (ILM), and will work in collaboration with the Liquids and Interfaces team.
- The candidate will interact with researchers from both teams as well as with PhD students, post-docs and M2 students working on related research topics.

Additional Information

If the link between micro and macro scales is commonly accepted, it is not yet fully understood: direct experimental studies of the influence of the adsorbed layer structure on the macroscopic properties of the interface and the soap film are still lacking, notably due to the lack of surface-specific tools sensitive to the spatial organization of surfactants.
In this context, the ANR SOLSTICE project aims to develop a molecular description of the stability of soap films, using Second Harmonic Generation (SHG) experiments. In this project, we want to probe the organization and dynamics of surfactants on a single soap interface and on a soap film.

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