• Topical session (EPS & AGMM): Mechanical Properties at Small Scales at the joint meeting of the DPG and EPS-CMD27, Berlin, Germany, 11-16 March 2018

    Subject of the session: Nano-objects such as ultrathin layers, quantum dots, nanoparticles, nanowires, are at the heart of an intense research activity, because of their specific properties and their potential use in a vast range of applications. It is of prime importance to understand how these properties can be modified by stresses, independent whether they are externally applied or a consequence of growth or processing including local re-arrangements of the atomic structure and chemistry. Several answers were recently obtained through the development of experimental devices allowing for fabricating nano-objects, measuring strain fields at the nanoscale or structure-chemistry relations determined with atomic resolution. Besides, simulations begin to reach the point of closing the gap with experiments, opening the way to fruitful comparisons. Overall, investigations indicate that mechanical properties dramatically change when characteristic dimensions are reduced to the nanoscale. However, there is still a long road to be able to make routine measurements, to predict behaviors from simulations and models, and to fully determine and understand the mechanisms at play in these objects. The objective of this symposium is to present latest results in this multidisciplinary field, and to stimulate discussions to overcome the current state of the art. More specifically, we welcome submissions related to:

    • Mechanical properties at small scale, such as elasticity, plasticity, fatigue and fracture
    • Development of methods allowing for local fields mapping or mechanical te
    • Coupling between growth, stress and composition in nano-objects
    • Modeling and numerical simulations
    • Strain-engineered physical properties


    Invited speakers:

    • Christoph Kirchlechner (Max-Planck-Institut für Eisenforschung, Düsseldorf, Deutschland & Materialphysik, Montanuniversität Leoben, Austria)
    • Hosni Idrissi (Université Catholique de Louvain, Belgien)
    • Jon Molina Aldareguia (Madrid Institute of Advanced Materials, Spanien)
    • Sandrine Brochard (Université de Poitiers-CNRS-ENSMA, Frankreich)


    Organizers: Prof. Gerhard Dehm (Max-Planck-Institut für Eisenforschung GmbH), Prof. Olivier Thomas (IM2NP Aix-Marseille Université), Dr. Laurent Pizzagalli (Institut P’).

    Abstract submission deadline: December 1, 2017.

    More information are available here.

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