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Probing the Micro-Nano Transition: Theoretical and Experimental Foundations, Simulations and Applications

Probing the Micro-Nano Transition: Theoretical and Experimental Foundations, Simulations and Applications

Objective

The objective is to develop a robust multifunctional framework/probe for capturing the evolution of deformation and failure in a variety of processes at the micro-nano transition regime. An interdisciplinary approach will be pursued based on fundamental theory and experiment, in conjunction with multiscale simulations for micro/nanotechnology applications. The approach is unconventional as it ventures to extend continuum mechanics down to the micro/nano regime and verify this through nanoindentation and atomic force microscopy techniques. It is also unique as the new phenomenology introduced for establishing this extension (higher order gradients accounting for microscopic processes and interfacial energy terms accounting for nanoscopic phenomena) will be substantiated through hybrid (ab initio-atomistic-defect-finite element) simulations. The framework will be employed to consider fracture and size effects in a number of micro-nano scale transition configurations ranging from nanograined aggregates and nanolayered structures to nanotubes and micropillars, and from Li-ion battery electrodes to bioactive interfaces. Other micro/nano objects such as quantum dots, nanowires and NEMS/MEMS devices, as well as biomolecular microcrystalline membranes leading to living cell division will be considered. In a sense this “scale” transition theory is reminiscent in scope to Landau’s “phase” transition theory where a variety of different physical phenomena can be treated within a common framework. This optimism stems from the PI’s previous success with this approach, as well as Smalley’s remark that the “laws of continuum mechanics are amazingly robust for treating even intrinsically discrete objects only a few atoms in diameter”. A good mix of young researchers and mature scholars will be employed, thus connecting people and ideas through joint publications and scholarly activities in a critical area of fundamental and applied research.

Principal Investigator

Aikaterini Aifanti (Dr.)

Host institution

ARISTOTELIO PANEPISTIMIO THESSALONIKIS

Address

Kedea Building, Tritis Septemvriou, Aristotle Univ Campus
54636 Thessaloniki

Greece

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 922 286,70

Principal Investigator

Aikaterini Aifanti (Dr.)

Administrative Contact

Georgia Petridou (Ms.)

Beneficiaries (3)

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ARISTOTELIO PANEPISTIMIO THESSALONIKIS

Greece

EU Contribution

€ 922 286,70

FOUNDATION FOR RESEARCH AND TECHNOLOGY HELLAS

Greece

EU Contribution

€ 23 334,50

FRIEDRICH-ALEXANDER-UNIVERSITAET ERLANGEN NUERNBERG

Germany

EU Contribution

€ 182 778,80

Project information

Grant agreement ID: 211166

Status

Closed project

  • Start date

    1 October 2008

  • End date

    30 September 2013

Funded under:

FP7-IDEAS-ERC

  • Overall budget:

    € 1 128 400

  • EU contribution

    € 1 128 400

Hosted by:

ARISTOTELIO PANEPISTIMIO THESSALONIKIS

Greece