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Max Planck Institute for Metals Research -
PhD / Post-Doc position The surface structure of a droplet Location: Germany Institution Type: College/University Position Type: Post-doctoral Fellow Submitted: Thursday, October 1st, 2009
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PhD / Post-Doc position The surface structure of a droplet in solution The project In this project sum frequency scattering spectroscopy will be used to clarify how surfactant molecules, charges, and pH modify the interfacial structure of liquid droplets in solution and how (e.g.) molecular transport between droplets occurs. Sum frequency scattering spectroscopy, a recently developed method that is a cross-over between femtosecond sum frequency generation and light scattering offers a unique way to obtain molecular information from the interfaces of micro- and nanoscopic emulsion droplets in solution. Since the surfaceto- volume ratio of small droplets is extremely large the interfacial properties are a key factor in determining the stability and properties of emulsions. However, despite the abundance and importance of emulsions in our daily lives, the molecular mechanisms that dictate the stability and properties of emulsions are still largely unknown, because (1) most techniques that can probe chemical structure at the molecular level cannot be applied to interfaces that are buried in a bulk liquid phase, (2) the interfacial layer is only a few molecules thick, and (3) the interfacial molecules cannot be distinguished from the bulk molecules. The aim of this project is to change that. For more information contact Dr. S. Roke (see below). About the group The work will be carried out in the Max Planck Research Group “Spectroscopy of Bio-interfaces” at the Max-Planck Institute for Metals Research, Stuttgart, Germany. Available equipment includes a high power femtosecond infrared laser system with tunable infrared laser pulses (800 nm – 20 microns), an IR spectrometer, light scattering equipment and preparation laboratories. The institute has excellent technical staff and workshops. Some of our projects can be found on our website: http://www.mf.mpg.de/en/abteilungen/roke/index.html The candidate The successful candidate will have a MSc or PhD degree in physics or chemistry, ideally with experience in nonlinear (time-resolved) spectroscopic techniques and experience with working with femtosecond laser systems. Terms of employment The position is for 2 years (Post-Doc/TVöD EG13) or 3 years (PhD/TVöD EG 13/2) as of now. Applications To apply, please send a CV (including a publication list and the names of 2 potential references) with a cover letter to: Max-Planck-Institute Stuttgart Gemeinsame Verwaltung Heisenbergstraße 1, 70569 Stuttgart Email: ballmann@vw.mpi-stuttgart.mpg.de For further information please contact: Dr. Sylvie Roke, Spectroscopy of Bio-interfaces Max-Planck Institute for Metals Research Heisenbergstrasse 3, 70569 Stuttgart, Germany T: +49-711-6893679 / +49-711-6893660, F: +49-711-6893612 E-mail: applications.rokegroup’at’mf.mpg.de Correspondence by email is preferred. The Max Planck Society is committed to employ more handicapped individuals and especially encourages them to apply. The Max Planck Society seeks to increase the number of women in these areas where they are underrepresented and therefore explicitly women to apply. |
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Contact Info: Max-Planck-Institute Stuttgart Gemeinsame Verwaltung Heisenbergstraße 1, 70569 Stuttgart Email: ballmann@vw.mpi-stuttgart.mpg.de Website: http://www.mf.mpg.de/en/abteilungen/roke/index.html |
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