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Are you interested in simultaneously unraveling the fundamentals of friction and contributing to the solution of friction-related challenges in computer chip production?
The research field of tribology, devoted to contact formation, friction and wear phenomena down to the atomic scale, is of direct and pressing relevance to the manufacture of semiconductor devices. Friction-induced stresses and deformations on the scale of only a few atomic spacings are starting to challenge the future of nanolithography technology, limiting the achievable feature size in semiconductor chips.
Macroscopic interfaces typically consist of a myriad of contact points that interact in a complex way. Add to this the complexity of nanolayers such as lubricants or adsorbed water and it becomes clear that understanding macroscopic friction from first principles is a huge challenge. Nevertheless there is enormous demand for such understanding and the opportunities it would offer to predict or even control sliding friction. Furthermore, new tools that enable in-situ nanoscale insight into macroscale frictional behavior have recently become available (1-3). In this PhD project, you will take maximal advantage of these exciting developments by exploring innovative strategies towards understanding of and control over macroscopic friction and wear. This will include macroscopic friction experiments, atomic force microscopy, contact modeling and fluorescence microscopy.
You will be embedded in the Contact Dynamics team at ARCNL but will also be closely associated with the tribology teams at the University of Amsterdam and at ASML, the world leading manufacturer of high tech lithography machines for chip making.
References:
You have an MSc degree in physics, or a related subject. You enjoy performing experiments and analysis to stepwise build a deeper understanding of complex physical mechanisms. You are good at communicating and explaining the results of your work. Experimental (and modeling) experience in the field of tribology would be advantageous.
The position is intended as full-time (40 hours / week, 12 months / year) appointment in the service of the Netherlands Foundation of Scientific Research Institutes (NWO-I) for the duration of four years. After successful completion of the PhD research a PhD degree will be granted at University of Amsterdam. Several courses are offered, specially developed for PhD-students. ARCNL assists any new foreign PhD-student with housing and visa applications and compensates their transport costs and furnishing expenses.
The Advanced Research Center for Nanolithography (ARCNL) focuses on the fundamental physics and chemistry involved in current and future key technologies in nanolithography, primarily for the semiconductor industry. ARCNL is a public-private partnership between the Dutch Research Council (NWO), the University of Amsterdam (UvA), the VU University Amsterdam (VU) and the semiconductor equipment manufacturer ASML. ARCNL is located at the Science Park Amsterdam, The Netherlands, and is currently building up towards a size of approximately 100 scientists and support staff. See also www.arcnl.nl
The research activities of the Contact Dynamics group aim at investigating and providing fundamental understanding of the mechanisms underpinning friction, friction changes over time and friction variability, as affected by wear phenomena, at forces, scales and other preconditions relevant to present and future nanolithography technology. This includes rough surface contact mechanics, adhesion, tribochemical wear, thin film lubrication and novel coatings.
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