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About
People

ABOUT

We are an Interdisciplinary Research Group, working at the Institute of Scientific Computing and the Dresden Center of Computational Materials Science of TU-Dresden. We develop mesoscale models to study material properties comprehensively, predict/explain experimental behaviors, and investigate the complexities of crystalline materials. This research is carried out with the aid of numerical simulations and state-of-the-art computational techniques.

The research activities illustrated here started a few years ago carried out by the PI and co-workers. They merged into the 3MS group in early 2021 with funding from the DFG Emmy Noether Programme.

News
Subtle Shapes Transparent

LATEST NEWS

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Jan. 13th, 2023

New preprint out on APFC for complex crystal structures

A new preprint on the coarse-grained modeling (APFC) of crystal structures with tunable accuracy is now available on arXiv. It features modeling aspects and numerical examples, e.g., dislocations in kagome and diamond lattice.

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Dec. 9th, 2022

New Project funded!

Our project "Ordering and defects on deformable surfaces" will start in 2023 together with other great projects within the "Vector- and Tensor-Valued Surface PDEs" Research Unit funded DFG. Open position announcement soon. See also project section!

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Dec. 2nd, 2022 

Seminar by Prof. M. Abbarchi at DCIM

Prof. M. Abbarchi presented his research on "Nano-imprint lithography of hard materials for photonic devices and biotechnology", sharing his experiences maturated across diverse academic research experiences and the grounding of a startup. 

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Oct. 30th, 2022

Preprint on controlling Magnetic properties in the APFC model

The manuscript reporting on a magnetic APFC model reproducing magnetic anisotropy an mangetostriction, while tuning their relative importance is now available in arXiv. It includes proof of concepts for real material applications, e.g. for Iron!

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Oct. 9th, 2022

Preprint (proceeding) on improved numerics for PFC model

Research

RESEARCH

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PROJECTS

Ordering and defects on deformable surfaces

Project website 

DFG Project (FOR3013) - 2023-2026. Group Role: PI, Postdoc, PhD Students

This project focuses on the development of a mesoscale framework to study positional ordering and defects on deformable surfaces by using different modeling approaches and develop their extension to non-flat domains. The amplitude expansion of the phase-field crystal model is considered to handle elasticity and plasticity at the mesoscale without resolving atoms but retaining details of the crystal structure. Orientational ordering and deformable interacting objects, e.g. cells in epithelial tissues, will be modeled by a multi-phase-field approach governed by Allen-Cahn type equations and coupling with director and Q-tensor fields. Formulations suitable for non-flat domains will be developed via a general graph formulation.

A Mesoscale framework for the modeling of defects and interfaces in crystals

Project website 

DFG Project (Emmy Noether Programme) - 2021-2026. Group Role: PI, Postdoc, PhD Students

This project addresses the mesoscale modeling of crystalline systems. It builds on the phase-field crystal (PFC) model and its amplitude expansion (APFC), which provide convenient coarse-grained descriptions of crystalline structures. It aims at i) delivering novel theoretical tools that bridge micro- and macroscopic features while studying crystals accounting for real material properties, ii) overcoming limitations of current state-of-the-art theoretical approaches in this field through new and hybrid approaches, iii) enabling applications to technology-relevant crystalline systems and related open problems in materials science.

NAtuRal instability of semiConductors thIn SOlid films for sensing and photonic applications - NARCISO

Project website 

EU FET-Open Project - 2019-2022. Group Role: Research partner as IWR

NARCISO "NAtuRal instability of semiConductors thIn SOlid films for sensing and photonic applications"is an interdisciplinary project merging physics, chemistry, material science, fluid dynamics, and photonics with a high potential for applications and industrial scale-up of the relevant results. We propose to exploit the natural instability of thin solid films (solid state dewetting of silicon and germanium, SSD) to form complex patterns and nano-architectures (e.g. monocrystalline atomically-smooth structures, disordered hyperuniform metamaterials) that cannot be implemented with conventional methods.

Micro-crystals Single Photon InfraREd detectors – µSPIRE 

Project website 

EU FET-Open Project - 2017-2021. Group Role: Research partner as IWR

µSPIRE aims at establishing a technological platform for homo- and hetero- structure based photonic and electronic devices using the self-assembling of epitaxial crystals on patterned Si substrates. Emerging micro-electronic and photonic devices strongly require the integration on Si of a variety of semiconducting materials such as Ge, GaAs, in order to add novel functionalities to the Si platform. µSPIRE pursues this goal employing a novel deposition approach, which we termed vertical hetero-epitaxy (VHE), optimizied with the aid of simulations. VHE exploits the patterning of conventional Si substrates, in combination with epitaxial deposition, to attain the self-assembly of arrays of Ge and GaAs epitaxial micro-crystals elongated in the vertical direction, featuring structural and electronic properties unparalleled by “conventional” epitaxial growth.

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ACTIVE COLLABORATIONS

Axel Voigt, Markus Kästner - TU-Dresden, DE  ■  Ken R. Elder - Oakland Univeristy, USA  ■  David J. Srolovitz  - The University of Hong Kong ■  Jian Han - City University of Hong Kong  ■  Marco Abbarchi, Isabelle Berbezier - IM2NP, Aix-Marseille Universite', France ■  Steven M. Wise - The University of Tennessee, USA  ■  Francesco Montalenti, Roberto Bergamaschini - University of Milano-Bicocca, Italy  ■  Giovanni Isella, Monica Bollani - LNESS, Politecnico di Milano, Italy ■  Luiza Angheluta - University of Oslo, Norway  ■  Jorge Vinals - University of Minnesota, USA  ■  Zhi-Feng Huang - Wayne State University, USA  ■  

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Publications
Library Shelves

SELECTED PUBLICATIONS

Contacts

CONTACTS

Dr. Marco Salvalaglio,

Group Leader
 

Visitor Address, IWR

Barmerbau, B 237,

Zellescher Weg 25, 01217 Dresden, Germany

Visitor Address, DCMS

Hallwachsstraße 3,

01069 Dresden, Germany

Postal Address:

Technische Universität Dresden

Institut für Wissenschaftliches Rechnen

Helmholtzstr. 10

01069 Dresden

Tel.: +49 351 463-35657

Fax: +49 351 463-37096

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