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Postdoctoral position at INSP (Paris) (No replies)
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Ab initio study of adhesion improvement at zinc/silica interfaces.
Employer: Institut des NanoSciences de Paris (INSP) - UMR 7588, CNRS & UPMC
Duration: 12 months with a possibility of an extension
Contact person: Jacek.Goniakowski@ insp.jussieu.fr
Adhesion at zinc/oxide interfaces has become of key importance for steel-making
industry where galvanic zinc remains the most common anti-corrosive protection.
Indeed, since most modern steel grades are purposely enriched in strengthening elements
(e.g., Si, Al, or Mn), their selective oxidation followed by oxide segregation to steel
surfaces reduces dramatically the adherence of the Zn over-layer.
Within an ongoing collaboration between INSP and ArcelorMittal Maizières Research,
the present project aims at exploring new routes for the improvement of adhesion at
zinc/silica interfaces. The principal goal is to quantify the improvement of adhesion
when using multicomponent buffers at the interface, based on interface energetics
(adhesion and interface energies) of individual metal/metal, oxide/oxide, and
metal/oxide interfaces, estimated at an ab initio (DFT) level, and on a thermodynamic
Monte-Carlo model of buffer composition and structure under different oxidation
conditions.
Applicants should hold a PhD degree, with a strong background in computational
physics and/or chemistry, preferably oriented towards oxide surfaces and metal/oxide
interfaces. The candidate is expected to have a good experience in (ab initio) atomistic
calculations, construction and optimization of superstructures. Expected to interact with
both ArcelorMittal engineers and University researchers, the ability to efficiently prepare
scientific documents (reports, publications) and presentations in English is essential.
The « Oxides in Low Dimensions » group at INSP brings together experimentalists and
theoreticians with a goal to explore the structure of oxide surfaces, thin films, and
metal/oxide interfaces, and to understand their electronic, magnetic, adhesion, and
reactivity properties.
More information: http://www.insp.upmc.fr/-Oxydes-en-basses-dimensions-.html