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Related papers: Chemical reaction directed oriented attachment: fr…

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Oriented attachment (OA) has become a well-recognized mechanism for the growth of metal, ceramic, and biomineral crystals. While many computational and experimental studies of OA have shown that particles can attach with some misorientation…

Materials Science · Physics 2020-04-09 Andrew P. Lange , Amit Samanta , Tammy Y. Olson , Selim Elhadj

Self-organization of nanoparticles is a major issue to synthesize mesoscopic structures. Among the possible mechanisms leading to self-organization, the oriented attachment is efficient yet not completely understood. We investigate here the…

Mesoscale and Nanoscale Physics · Physics 2013-07-11 Dimitri Hapiuk , Bruno Masenelli , Karine Masenelli-Varlot , Dimitri Tainoff , Olivier Boisron , Clement Albin , Patrice Melinon

Nanoscientists have long conjectured that adjacent nanoparticles aggregate with one another in certain preferential directions during a chemical synthesis of nanoparticles, which is referred to the oriented attachment. For the study of the…

The ability to predict the morphology of crystals formed by chemical reactions is of fundamental importance for the shape-controlled synthesis of nanostructures. Based on the atomistic mechanism for crystal growth under different driving…

Materials Science · Physics 2009-11-13 B. Viswanath , Paromita Kundu , B. Mukherjee , N. Ravishankar

Classical theories of crystal nucleation and growth from the liquid assume activated processes that are interface limited, with the atoms individually joining the growing interface by jumps that occur at a rate that is determined by the…

Atomic Physics · Physics 2023-01-02 Fangzheng Chen , Zohar Nussinov , K. F. Kelton

Crystallization often proceeds through successive stages that lead to a gradual increase in organization. Using molecular simulation, we determine the nucleation pathway for solid solutions of copper and gold. We identify a new nucleation…

Materials Science · Physics 2021-04-13 Caroline Desgranges , Jerome Delhommelle

This work reports the successful formation of Ag and Au nanoparticles in $\beta$-Ga$_2$O$_3$ single-crystals by ion implantation and annealing at 550 {\deg}C. X-ray diffraction measurements revealed that nanoparticles were formed after the…

We use computer simulation to study crystal-forming model proteins equipped with interactions that are both orientationally specific and nonspecific. Distinct dynamical pathways of crystal formation can be selected by tuning the strengths…

Soft Condensed Matter · Physics 2012-04-16 Stephen Whitelam

The control of the crystalline phases of the nanoparticles grown in a direct-current transferred-arc plasma-assisted reactor is reported. The crystalline phases of the as synthesized nanoparticles are shown to critically depend on the…

The role of alignment-to-orientation conversion (AOC) in nuclear quadrupole resonance (NQR) is discussed. AOC is shown to be the mechanism responsible for the appearance of macroscopic orientation in a sample originally lacking any global…

Chemical Physics · Physics 2009-11-10 D. Budker , D. F. Kimball , S. M. Rochester , J. T. Urban

Over the past ten years, self-aligned TiO2 nanotubes have attracted tremendous scientific and technological interest due to their anticipated impact on energy conversion, environment remediation and biocompatibility. In the present…

Materials Science · Physics 2016-10-17 Francesca Riboni , Nhat Truong Nguyen , Seulgi So , Patrik Schmuki

Exploring structural order in disordered systems including liquids and glasses is an intriguing but challenging issue in condensed matter physics. Here we construct a new parameter based on the angular distribution function of particles and…

Soft Condensed Matter · Physics 2018-06-11 Xiunan Yang , Wei-Hua Wang , Ke Chen

We show that D- and L-enantiomorphous crystals of NaBrO3 in equilibrium with the corresponding solution, self-aggregate leading to large crystal assemblies. Surprisingly, crystal-to-crystal interaction is not a random process and takes…

Materials Science · Physics 2013-06-04 Cristobal Viedma* , Pedro Cintas

The growth of crystals confined in porous or cellular materials is ubiquitous in Nature and industry. Confinement affects the formation of biominerals in living organisms, of minerals in the Earth's crust and of salt crystals damaging…

Materials Science · Physics 2022-11-30 Felix Kohler , Olivier Pierre-Louis , Dag Kristian Dysthe

Nanocrystal gelation provides a powerful framework to translate nanoscale properties into bulk materials and to engineer emergent properties through the assembled microstructure. However, many established gelation strategies rely on…

Self-organized monocrystalline Au nanoparticles with potential applications in plasmonics are grown in a SrTiO$_3$ matrix by a novel two-step deposition process. The crystalline preferred orientation of these Au nanoparticles is…

Mesoscale and Nanoscale Physics · Physics 2015-07-02 Davide Pincini , Claudio Mazzoli , Hendrik Bernhardt , Christian Katzer , Frank Schimdl , Ingo Uschmann , Carsten Detlefs

The optical binding of many particles has great potential to achieve the wide-area formation of a "crystal" of small materials. Unlike conventional optical binding, where the whole assembly of targeted particles is irradiated with light, if…

Optics · Physics 2023-02-28 Yukihiro Tao , Tomohiro Yokoyama , Hajime Ishihara

Tightly confined modes of light, as in optical nanofibers or photonic crystal waveguides, can lead to large optical coupling in atomic systems, which mediates long-range interactions between atoms. These one-dimensional systems can…

Quantum Physics · Physics 2016-12-08 Zachary Eldredge , Pablo Solano , Darrick Chang , Alexey V. Gorshkov

Coupling of atoms is the basis of chemistry, yielding the beauty and richness of molecules. We utilize semiconductor nanocrystals as artificial atoms to form nanocrystal molecules that are structurally and electronically coupled. CdSe/CdS…

We report an easy and broadly applicable method for the controlled self-assembly of atomically precise Au32(nBu3P)12Cl8 nanoclusters into micro-crystals. This enables the determination of emergent optoelectronic properties resulting from…

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