NEWS (archive)

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July. 19th, 2022

Magnetic APFC model published in MSMSE

The work on a novel magnetic APFC model is now published in Model. Sim. Mater. Sci. Eng. in a special issue focusing on PFC modeling. A proof of concept on the effect of magnetic field on defect motion is given.

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June 16th, 2022

Invited talk at EarthFlow 2022 (Oslo)

M. Salvalaglio gives an invited talk at the 8th EarthFlows annual Meeting entitled: Interface faceting-defaceting mediated by disconnections

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June 5th-9th, 2022

Organization Symposium @ ECCOMAS

M. Salvalaglio contributes to the organization of the symposium on "Computational Plasticity in Crystals and Polycrystals" at the 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022).

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May 30th, 2022

PFC modeling of solidification with temperature effects in arXiv

Crystal growth including thermal expansion of the lattice is now handled within the phase field crystal framework (congrats to Maik for the first manuscript!). The results are now available as arXiv preprint

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May 27th, 2022

Review on the APFC model published!

The topical review on the APFC model written with Prof. Ken Elder and entitled "Coarse-grained modeling of crystals by the amplitude expansion of the phase-field crystal model: an overview" is now published in Model. Simul. Mater. Sci. Eng 30, 053001 (2022)

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May 26th, 2022

Interface Faceting-Defaceting Mediated by Disconnections

Accounting for the disconnection character of interfaces allows the reconciliation of various faceting-defaceting behavior of interfaces observed in experiments. The research is now available as arXiv preprint

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May 25th, 2022

arXiv preprint on Hydrodynamic PFC

The research delivering the consistent coupling of the diffusive evolution of microscopic structures (via phase field crystal) with the dynamics of a macroscopic velocity field (hydrodyanamic) and related proofs of concepts is available as arXiv preprint

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April 2nd, 2022

Back-to-back papers on out in Acta Materialia

The research on "Disconnection-Mediated Migration of Interfaces in Microstructures" carried out together with D. Srolovitz and J. Han is now published in a two-paper series in Acta Materialia: Part I: Continuum Description, Part II: Diffuse Interface Simulations

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Marh 23rd, 2022

PFC/APFC modeling of elastic inclusions published

The modeling of elastic inclusions in APFC is now published in Examples and Counterexamples, 2, 100067 (2022). It reports on a framework to include eigenstrain is presented and it is shown to match well the analytical solution of the Eshelby problem.

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Feb. 15th, 2022

We introduce a magnetic APFC model

A novel magnetic APFC model has been developed in collaboration with Dr. Backofen and Prof. A. Voigt. The preprint "Magnetic APFC modeling and influence of magneto-structural interaction on grain shrinkage" is available in arXiv

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Feb. 8th, 2022

Preprint of APFC model review available in arXiv

The topical review on the APFC model written with Prof. Ken Elder and entitled "Coarse-grained modeling of crystals by the amplitude expansion of the phase-field crystal model: an overview" is available in arXiv

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Jan. 1st, 2022

Welcome to Lucas, new group's postdoc

Lucas Benoit-Maréchal, former PhD student et École Polytechnique (Paris), joined the groups after being a guest for a few months at the end of 2021. He will work on APFC modeling and its applications to surface crystals. Welcome!

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Nov. 19th, 2021

New preprint on APFC modeling of elastic inclusions

A new preprint is available in arXiv on the modeling of elastic inclusions in APFC. A framework to include eigenstrain is presented and it is shown to match well the analytical solution of the Eshelby problem.

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Oct. 7th, 2021

New paper in arXiv on PFC Dislocation Dynamics

Some milestones of research on PFC description on defect dynamics are now reported in the preprint "A phase field crystal theory of the kinematics and dynamics of dislocation lines" available in arXiv

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Sept. 22nd, 2021

Paper Published in Scientific Report

The work entitled "Faceting of Si and Ge crystals grown on deeply patterned Si substrates in the kinetic regime: phase-field modelling and experiments" has been published in Scientific Report within the research activity of the EU-OpenFET project microSPIRE

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Sept. 17th, 2021

Picture exhibited at "Imaging Science" - Altana Gallery

A Picture ("Tribute to Keith Hering") featuring some of the group's research will be part of the exhibition “Imaging Science - Die Schönheit der Wissenschaft” Altana Gallery-Görges Bau (TUD - University Gallery of TUD). Vernissage 17.09.2021, Exhibition open until 22.10.2021.

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Sept. 15th, 2021

Welcome to Vidar, Visiting PhD student

Vidar Skogvoll, Ph.D student at Oslo university will be visiting the Institute of Scientific Computing to work closely with us on phase-field crystal modeling and simulations. Welcome!

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Sept. 2nd, 2021

Talk @ SemiconNano 2021

The work on Continuum modeling and simulation of solid-state dewetting, including recent theoretical developments and application (see also NARCISO EU project) has been presented at the SemiconNano meeting 2021.

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July 29th, 2021

Paper Published in ACS Appl. Mat. Interfaces

The work on "Scalable Disordered Hyperuniform Architectures via Nanoimprint Lithography of Metal Oxides" is now published in ACS Appl. Mat. Interfaces. A step forward towards the implementation over large scales of disordered hyperuniform architectures

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July 15th, 2021

Welcome to Maik, new Ph.D. Student

Maik Punke joins the group and begins his activities as research assistant to pursue his Ph.D at the Institute of Scientific Computing and Dresden Center of Computational Material Science. Welcome!

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June 3rd, 2021

Talk @ 7th EarthFlow Workshop - NJORD Center

The research on the modeling of Disconnection-mediated interface migration has been presented at the 7th EarthFlow Workshop organized by the NJORD Center at the univeristy of Oslo

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May 21th, 2021

Talk @ SIAM-MS21

The research on defect motion in binary crystalline systems has been presented at the SIAM-MS21 meeting with a talk entitled "Effect of compositional Strain and Cottrell Atmospheres in Binary Systems by amplitude PFC modeling"

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May 17th-28th, 2021

SIAM - MS21 meeting

The group actively takes part to SIAM Conference on Mathematical Aspects of Materials Science. with the organization of the MS48: "Multiscale and coarse-grained modeling of crystal defects, grain boundaries, and plasticity" (20-25 May, see programme online)

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May 6th, 2021

Paper published in Phys. Rev. Lett.

The work on "Mesoscale Defect Motion in Binary Systems" is now published in Phys. Rev, Lett. 126, 185502 (2021) - arXiv:2101.06128 Analytical expressions for defect velocity are derived together with and amplitude phase field crystal modeling and simulations. 

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April 5st, 2021

Issue Cover on Math. Model Appl. Sci. (Wiley)

The research on Doubly Degenerate Cahn-Hilliard model published in a two paper series in Math. Meth. Appl. Sci. made it to the Issue's Cover!

Links: Article I, Article II & COVER

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April 1st, 2021

Welcome to Marcello, new Ph.D. Student

Marcello De Donno joins the group and begins his activities as research assistant to pursue his Ph.D at the Institute of Scientific Computing and Dresden Center of Computational Material Science. Welcome!

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March 18th, 2021

Two-paper series preprints available

The research on "Disconnection-Mediated Migration of Interfaces in Microstructures" carried out together with D. Srolovitz and J. Han is now reported in a two-paper series available as preprints: Part I: Continuum Description, Part II: Diffuse Interface Simulations

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March 16th, 2021

Talk @ 91st GAMM meeting

Dr. Marco Salvalaglio gives a talk entitled "A coarse-grained phase-field crystal model of plastic motion" at the 91 GAMM Meeting, illustrating recent results of the modeling of defects dynamics with the APFC model.

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March 1st, 2021

The activities of the "Emmy Noether" group begin!

The research activity funded by the DFG Emmy Noether Programme, entitled "A Mesoscale Framework for the modeling of defects and interface in crystals" begins today, March 1st 2021. We are looking forward for great research and collaborations!

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January 18th, 2021

New Preprint available (APFC - Binary Systems)

Analytical expressions for defect velocity, amplitude phase field crystal modeling and simulations illustrated in our new preprint about "Mesoscale Defect Motion in Binary Systems". arXiv link here

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December 23, 2020

2 back-to-back Papers Published in Math. Meth. Appl. Sci.

Two works, introducing the fully-variational Doubly Degenerate Cahn-Hilliard model have been published in Mathematical Methods in the Applied Sciences. The first address the isotropic version and its asymptotic analysis, while the second the anisotropic settings.

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December 3, 2020

Contribution @ NanoSeminar (TUD)

Dr. Marco Salvalaglio illustrates the group research activities on coarse-grained modeling of crystals at the NanoSeminar, periodic appointment organized by the Institute of Material Science focusing on nanoscale material research

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November 12, 2020

Proposal for the Emmy Noether Programme Accepted

The proposal of the project "A mesoscale framework for the modeling of defects and interfaces in crystals" submitted for funding within the Emmy Noether Program has been accepted. Activities will begin in 2021.

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September 22-25, 2020

Research presented at the MSE congress of the DGM

Dr. Marco Salvalaglio contributed with two talks entitled "Closing the gap between atomic-scale lattice deformations and continuum elasticity within the phase-field crystal framework" and "Phase-field modeling of complex solid-state dewetting scenarios"

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September 15, 2020

Paper published in PRL

The research carried out within the EU-Project NARCISO about spontaneous spinodal-like dewetting, leading to hyperuniform structures has been published in Physical Review Letters 126, 126101 (2020). (arXiv link here)