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Related papers: Structure of self-assembled Mn atom chains on Si(0…

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We present structure calculations of neutral and singly ionized Mg clusters of up to 30 atoms, as well as Na clusters of up to 10 atoms. The calculations have been performed using density functional theory (DFT) within the local…

Atomic and Molecular Clusters · Physics 2015-03-19 Stefan Janecek , Eckard Krotscheck , Michael Liebrecht , Roman Wahl

The self-assembly in two dimensions of spherical magnets in strong magnetic field is addressed theoretically. %% It is shown that the attraction and assembly of parallel magnetic chains is the result of a delicate interplay of dipole-dipole…

Statistical Mechanics · Physics 2016-12-28 René Messina , Igor Stanković

Colloidal particles grafted with single-stranded DNA (ssDNA) chains can self-assemble into a number of different crystalline structures, where hybridization of the ssDNA chains creates links between colloids stabilizing their structure.…

Soft Condensed Matter · Physics 2015-06-17 Panagiotis E. Theodorakis , Nikolaos G. Fytas , Gerhard Kahl , Christoph Dellago

We present a survey of the structural and magnetic properties of submonolayer transition metal dioxides on the (001) surfaces of the heavy face-centered cubic (fcc) noble metals Ir and Pt performed by spin-averaged scanning tunneling…

Materials Science · Physics 2019-10-08 M. Schmitt , C. H. Park , P. Weber , A. Jäger , J. Kemmer , M. Vogt , M. Bode

Electronic structure calculations for atomic wire of metals like Al, Ga and In are performed for a patterned dihydrogeneted Si(001):1 $\times$ 1 in search of structures with metallic behavior. The dihydrogeneted Si(001) is patterned by…

Materials Science · Physics 2009-11-11 Bikash C Gupta , Inder P. Batra

The ability to manipulate single atoms has opened up the door to constructing interesting and useful quantum structures from the ground up. On the one hand, nanoscale arrangements of magnetic atoms are at the heart of future quantum…

Mesoscale and Nanoscale Physics · Physics 2016-04-20 R. Toskovic , R. van den Berg , A. Spinelli , I. S. Eliens , B. van den Toorn , B. Bryant , J. -S. Caux , A. F. Otte

Fabrication of diamond structures by self-assembly is a fundamental challenge in making three-dimensional photonic crystals. We simulate a system of model hard particles with attractive patches and show that they can self-assemble into a…

Statistical Mechanics · Physics 2012-01-18 Zhenli Zhang , Aaron S. Keys , Ting Chen , Sharon C. Glotzer

Self-assembled dendronized CdS nanoparticles have been attracting considerable attention because of their photoluminescence properties depending on annealing treatments. In this study, their annealing-induced self-assembled structure was…

While performing molecular dynamics simulations of a simple monatomic liquid, we observed the crystallization of a material displaying octagonal symmetry in its simulated diffraction pattern. Inspection of the atomic arrangements in the…

Recent experimental studies have shown that well-annealed, unstrained Si(105) surfaces appear disordered and atomically rough when imaged using scanning tunnelling microscopy (STM). We construct new models for the Si(105) surface that are…

Condensed Matter · Physics 2009-11-10 C. V. Ciobanu , V. B. Shenoy , C. Z. Wang , K. M. Ho

Atomic nanolines are one dimensional systems realized by assembling many atoms on a substrate into long arrays. The electronic properties of the nanolines depend on those of the substrate. Here, we demonstrate that to fully understand the…

Materials Science · Physics 2017-12-20 M. Longobardi , C. J. Kirkham , R. Villarreal , S. A. Koster , D. R. Bowler , Ch. Renner

DNA nanoparticles with three-fold coordination have been observed to self-assemble in experiment into a network equivalent to the hexagonal (6.6.6) tiling, and a network equivalent to the 4.8.8 Archimedean tiling. Both networks are built…

Statistical Mechanics · Physics 2018-05-28 Zdenek Preisler , Barbara Sacca , Stephen Whitelam

We report many different nano-structures which are formed when model nano-particles of different sizes (diameter {\sigma} n ) are allowed to aggregate in a background matrix of semi-flexible self assembled polymeric worm like micellar…

Soft Condensed Matter · Physics 2015-06-23 Shaikh Mubeena , Apratim Chatterji

New structure data for the high-temperature diluted magnetic semiconductor Si:Mn, synthesized by laser method are presented. The higher resolution transmission electron microscopy and diffraction was applied in two crystal directions of…

Materials Science · Physics 2013-09-02 E. S. Demidov , E. D. Pavlova , A. I. Bobrov , V. V. Karzanov , N. V. Malekhonova , A. A. Tronov

The adequate interpretation of scanning tunneling microscopy (STM) images of the clean Si(001) surface is presented. We have performed both STM observations and {\it ab initio} simulations of STM images for buckled dimers on the clean…

Materials Science · Physics 2009-10-31 H. Okada , Y. Fujimoto , K. Endo , K. Hirose , Y. Mori

We report a technique which allows self-assembly of conducting nanoparticles into long continuous chains. Transport properties of such chains have been studied at low temperatures. At low bias voltages, the charges are pinned and the chain…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. Bezryadin , R. M. Westervelt , M. Tinkham

The observation by Ke et al. [Science 338, 1177 (2012)] that large numbers of short, pre-designed DNA strands can assemble into three-dimensional target structures came as a great surprise, as no colloidal self-assembling system has ever…

Soft Condensed Matter · Physics 2014-06-12 Aleks Reinhardt , Daan Frenkel

Single atoms and few-atom nanoclusters are of high interest in catalysis and plasmonics, but pathways for their fabrication and stable placement remain scarce. We report here the self-assembly of room-temperature-stable single indium (In)…

Spherical neodymium-iron-boron magnets are perman-ent magnets that can be assembled into a variety of structures due to their high magnetic strength. A one-dimensional chain of these magnets responds to mechanical loadings in a manner…

Soft Condensed Matter · Physics 2013-12-05 Dominic Vella , Emmanuel du Pontavice , Cameron L. Hall , Alain Goriely

A structural model for intermediate sized silicon clusters is proposed that is able to generate unique structures without any dangling bonds. This structural model consists of bulk-like core of five atoms surrounded by fullerene-like…

Condensed Matter · Physics 2007-05-23 Jun Pan , Mushti V. Ramakrishna