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Portail > Offres > Offre UMR7334-DELSTU-009 - Reconfiguration atomique aux interfaces CFC/CC pour la réalisation de conducteurs étirables (H/F)

Street Art Nano: Enabling Stretchable Metallic Conductors through Atomic Reconfigurations in FCC/BCC

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

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General information

Reference : UMR7334-DELSTU-009
Workplace : MARSEILLE 03
Date of publication : Wednesday, January 09, 2019
Type of Contract : FTC Scientist
Contract Period : 24 months
Expected date of employment : 1 March 2019
Proportion of work : Full time
Remuneration : 2605.99€ to 3007.31€
Desired level of education : PhD
Experience required : 1 to 4 years


he work is part of an international project in collaboration with Singapore (Singapore University of Technology and Design (SUTD) and Nanyang Technology University (NTU)) which aims at unravelling the mechanisms of interfacial sliding at FCC/BCC interfaces. Following the preliminary works performed at LANL (Los Alamos National Laboratory) Cu/Nb multilayers will be studied with the goal to use the sliding interfaces as stretchable metallic conductors. Indeed, the significant interfacial sliding in Cu-Nb multilayers is expected to occur all along while maintaining full contact between the layers, and thus negligible resistance increase upon straining is expected, which is attractive for stretchable metallic conductor technology. The project is based on a combination of advanced experimental and modeling approaches: (i) in situ synchrotron X-ray nanodiffraction during mechanical testing (IM2NP); (ii) in situ micro-bending testing in an SEM (SUTD); (iii) Fabrication and design of novel stretchable conductor structures (NTU); (iv) Finite element and crystal plasticity modelling (IM2NP and SUTD). The postdoctoral associate will be mostly involved in items (i) and (iv) in close collaboration with partners in Singapore. A dedicated tensile stretching machine for in situ testing on synchrotron beamlines will be developed within the project although first experiments will be performed using existing setups.


The successful candidate will participate in the development of a novel tensile testing apparatus that is compatible with synchrotron beamlines for in situ experiments. In addition, he/she will study the interfacial sliding mechanisms of Cu/Nb nanolayers combining the new tensile testing machine and X-ray diffraction at 3rd generation synchrotron sources (e.g. ALS in Berkeley, SOLEIL near Paris, ESRF in Grenoble) as well as perform modeling using FEM and crystal plasticty.


• PhD in condensed matter physics, materials sciences or a closely related science
• Strong background in X-ray diffraction and mechanics of materials (elasticity, plasticity)
• Fluent in English
• Enthusiasm for research and team-minded
• Familiar with FE modeling is an asset
• Familiarity with experiments performed at synchrotron radiation facility will be appreciated
• Knowledge of python or other programming languages is desirable

Work Context

IM2NP (UMR CNRS 7334), located in Marseille (France), is a multidisciplinary institute with a total staff of 300. It spans research fields from basic physics to Microsystems. Within IM2NP, the MNO (Mechanics of Nano-Objects) group is well known for its expertise in nanomechanics and its intensive use of synchrotron radiation.

Constraints and risks

The candidate will work extensivly with X-rays eather in the lab or at Synchrotron radiation faciklities

Additional Information

For further information, please contact : Prof. Olivier Thomas (Olivier.Thomas@im2np.fr)

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