László Rátkai
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View article: Generalized Mie Theory for Full‐Wave Numerical Calculations of Scattering Near‐Field Optical Microscopy with Arbitrary Geometries
Generalized Mie Theory for Full‐Wave Numerical Calculations of Scattering Near‐Field Optical Microscopy with Arbitrary Geometries Open
Scattering‐type scanning near‐field optical microscopy (s‐SNOM) is becoming a premier method for the nanoscale optical investigation of materials well beyond the diffraction limit. A number of popular numerical methods exist to predict the…
View article: Physical Phenomena Governing Mineral Morphogenesis in Molluscan Nacre
Physical Phenomena Governing Mineral Morphogenesis in Molluscan Nacre Open
Mollusks, as well as many other living organisms, have the ability to shape mineral crystals into unconventional morphologies and to assemble them into complex functional mineral–organic structures, an observation that inspired tremendous …
View article: Generalized Mie theory for full-wave numerical calculations of scattering near-field optical microscopy with arbitrary geometries
Generalized Mie theory for full-wave numerical calculations of scattering near-field optical microscopy with arbitrary geometries Open
Scattering-type scanning near-field optical microscopy is becoming a premier method for the nanoscale optical investigation of materials well beyond the diffraction limit. A number of popular numerical methods exist to predict the near-fie…
View article: Phase-field lattice Boltzmann model of growth and buoyancy driven motion of dendritic particles: the effect of Coriolis force
Phase-field lattice Boltzmann model of growth and buoyancy driven motion of dendritic particles: the effect of Coriolis force Open
A phase-field lattice Boltzmann (PFLB) model we developed recently (Rátkai L, Pusztai T and Gránásy L 2019 npj Comput. Mater. 5 113) was adapted to investigate the effect of Coriolis force on the solidification morphology forming in a cent…
View article: Phase-field modelling of directional melting of lamellar and rod eutectic structures
Phase-field modelling of directional melting of lamellar and rod eutectic structures Open
The melting of 2D lamellar and 3D rod eutectic structures was studied by multi-phase-field simulations. A binary model eutectic system was investigated in a standard directional solidification setup. Switching from solidification to meltin…
View article: Phase-Field Modeling of Biomineralization in Mollusks and Corals: Microstructure vs Formation Mechanism
Phase-Field Modeling of Biomineralization in Mollusks and Corals: Microstructure vs Formation Mechanism Open
While biological crystallization processes have been studied on the microscale extensively, models addressing the mesoscale aspects of such phenomena are rare. In this work, we investigate whether the phase-field theory developed in materi…
View article: Phase-field lattice Boltzmann model for dendrites growing and moving in melt flow
Phase-field lattice Boltzmann model for dendrites growing and moving in melt flow Open
The phase-field and lattice Boltzmann methods have been combined to simulate the growth of solid particles moving in melt flow. To handle mobile particles, an overlapping multigrid scheme was developed, in which each individual particle ha…