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Dynamic control of self-assembly of quasicrystalline structures through reinforcement learning.
Soft Matter
January 2025
Future University Hakodate, Kamedanakano-cho 116-2, Hokkaido 041-8655, Japan.
We propose reinforcement learning to control the dynamical self-assembly of a dodecagonal quasicrystal (DDQC) from patchy particles. Patchy particles undergo anisotropic interactions with other particles and form DDQCs. However, their structures in steady states are significantly influenced by the kinetic pathways of their structural formation.
View Article and Find Full Text PDFAutomating Blueprints for the Assembly of Colloidal Quasicrystal Clusters.
ACS Nano
December 2024
Dipartimento di Fisica, Sapienza Università di Roma, P. le Aldo Moro 5, 00185 Rome, Italy.
One of the frontiers of nanotechnology is advancing beyond the periodic self-assembly of materials. Icosahedral quasicrystals, aperiodic in all directions, represent one of the most challenging targets that has yet to be experimentally realized at the colloidal scale. Previous attempts have required meticulous human-designed building blocks and often resulted in interactions beyond the current experimental capabilities.
View Article and Find Full Text PDFValence tautomerism, non-innocence, and emergent magnetic phenomena in lanthanide-organic tessellations.
Chem Commun (Camb)
January 2025
Department of Chemistry, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark.
Coordination networks based on lanthanide ions entangle collective magnetic phenomena, otherwise only observed in inorganic 4f materials, and the tunable spatial and electronic structure engineering intrinsic to coordination chemistry. In this review, we discuss the use of 2D-structure-directing linear {LnI} nodes to direct the formation of polymeric coordination networks. The equatorial coordination plasticity of {LnI} results in broad structural diversity, including previously unobtainable tessellations containing motifs observed in quasicrystalline tilings.
View Article and Find Full Text PDFHydrogenation Properties of the TiZrYNi (5 ≤ x ≤ 10) and the TiYZrNi (5 ≤ z ≤ 15) Mechanically Alloyed Materials.
Materials (Basel)
October 2024
Faculty of Physics and Applied Computer Science, AGH University of Krakow, Mickiewicza 30, 30-059 Krakow, Poland.
The amorphous materials of the TiZrNi composition synthesized by mechanical alloying are widely recognized for their ability to store hydrogen with gravimetric densities above 2 wt.%. It is also known that those alloys can form a quasicrystalline state after thermal treatment and their structural and hydrogen sorption properties can be altered by doping with various elements.
View Article and Find Full Text PDFFast generation of spectrally shaped disorder.
Phys Rev E
September 2024
Courant Institute of Mathematical Sciences, New York University, New York 10003, USA.
Media with correlated disorder display unexpected transport properties, but it is still a challenge to design structures with desired spectral features at scale. In this work, we introduce an optimal formulation of this inverse problem by means of the nonuniform fast Fourier transform, thus arriving at an algorithm capable of generating systems with arbitrary spectral properties, with a computational cost that scales O(NlogN) with system size. The method is extended to accommodate arbitrary real-space interactions, such as short-range repulsion, to simultaneously control short- and long-range correlations.
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