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Aiming at spherical and monodisperse silver nanoparticles with diameters up to 100 nm, the potential of heterogeneous nucleation of silver particles was explored. Gold seed particles, mainly produced with a spark discharge generator, were…

Materials Science · Physics 2014-06-25 Simon Zihlmann , Felix Lüönd , Johanna K. Spiegel

Effects of nanostructured defects of copper solid surface on the bubble growth in liquid argon have been investigated through a hybrid atomistic-continuum method. The same solid surfaces with five different nanostructures, namely, wedge…

Fluid Dynamics · Physics 2017-08-18 Yijin Mao , Bo Zhang , Chung-Lung Chen , Yuwen Zhang

The vibrations of a coupled pair of isotropic silver spheres are investigated and compared with the vibrations of the single isolated spheres. Situations of both strong coupling and also weak coupling are investigated using continuum…

Mesoscale and Nanoscale Physics · Physics 2010-06-23 Lucien Saviot , D. B. Murray

Near-fields around nanophotonic structures and waveguides can be used to optically interface particles ranging from atoms and molecules to microscopic biological and synthetic particles. Due to the strong, non-linear dependence of the…

We report on total-energy electronic structure calculations in the density-functional theory performed for the ultra-thin atomic layers of Si on Ag(111) surfaces. We find several distinct stable silicene structures:…

Mesoscale and Nanoscale Physics · Physics 2015-05-05 Zhi-Xin Guo , Atsushi Oshiyama

The aim of this paper is to discuss some basic notions regarding generic glass forming systems composed of particles interacting via soft potentials. Excluding explicitly hard-core interaction we discuss the so called `glass transition' in…

Disordered Systems and Neural Networks · Physics 2009-11-13 Jean-Pierre Eckmann , Itamar Procaccia

Using molecular dynamics simulations of many junction stretching processes we analyze the thermopower of silver (Ag), gold (Au), and platinum (Pt) atomic contacts. In all cases we observe that the thermopower vanishes on average within the…

Mesoscale and Nanoscale Physics · Physics 2011-11-07 F. Pauly , J. K. Viljas , M. Bürkle , M. Dreher , P. Nielaba , J. C. Cuevas

Antiferromagnetic materials hold promising prospects in novel types of spintronics applications. Assessing the stability of antiferromagnetic nanostructures against thermal excitations is a crucial aspect of designing devices with a high…

Mesoscale and Nanoscale Physics · Physics 2019-08-28 Levente Rózsa , Severin Selzer , Tobias Birk , Unai Atxitia , Ulrich Nowak

Supercooled liquids exhibit spatial heterogeneity in the dynamics of their fluctuating atomic arrangements. The length and time scales of the heterogeneous dynamics are central to the glass transition and influence nucleation and growth of…

Materials Science · Physics 2018-05-09 Pei Zhang , Jason J. Maldonis , Ze Liu , Jan Schroers , Paul M. Voyles

We review the development of ultrafast electron nanocrystallography as a method for investigating structural dynamics for nanoscale materials and interfaces. Its sensitivity and resolution are demonstrated in the studies of surface melting…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Chong-Yu Ruan , Yoshie Murooka , Ramani K. Raman , Ryan A. Murdick , Richard J. Worhatch , Aric Pell

The thermoelectric properties in one- and two-dimensional silicon and germanium structures have been investigated using first-principle density functional techniques and linear response for the thermal and electrical transport. We have…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 K. Yang , S. Cahangirov , A. Cantarero , A. Rubio , R. D'Agosta

Assembly of ultracold polar molecules containing silver (Ag) from laser-cooled atoms requires knowledge of the dynamic polarizabilities of Ag at convenient laser wavelengths. We present calculations and analysis of the energies and…

Atomic Physics · Physics 2025-03-13 S. G. Porsev , D. Filin , C. Cheung , M. S. Safronova

Condensation and frost formation degrade the heat transfer performance of air-conditioners and refrigerators. Yet, the frost formation mechanism has not been fully understood. In the present study, we numerically investigated H2O droplets…

Mesoscale and Nanoscale Physics · Physics 2021-04-27 Yoshitaka Ueki , Yuta Tsutsumi , Masahiko Shibahara

Using molecular dynamics simulations, with a realistic many-body embedded-atom potential, and a novel method to characterize local order, we study the structure of pure nickel during the rapid quench of the liquid and in the resulting…

Disordered Systems and Neural Networks · Physics 2016-08-15 Oscar Rodríguez de la Fuente , José M. Soler

In this paper, experiments on the deposition of silver nanoclusters are analysed numerically using improved DSMC method. These experiments were made in the Institute of Thermophysics SB RAS recent years, in the context of the development of…

Other Condensed Matter · Physics 2012-01-19 Roman V. Maltsev

The structure, dynamics and stability of Fe-Pt nanoparticles have been investigated using DFT-based techniques: total energy calculations and DFT molecular dynamics. The investigated systems included multi-shell and disordered nanoparticles…

Mesoscale and Nanoscale Physics · Physics 2025-01-28 Paweł T. Jochym , Jan Łażewski , Małgorzata Sternik , Przemysław Piekarz

The behavior of identical particles interacting through the harmonic-repulsive pair potential has been studied in 3D using molecular dynamics simulations at a number of different densities. We found that at many densities, as the…

Soft Condensed Matter · Physics 2017-10-11 V. A. Levashov

Unique nanorod precipitates with a core-shell structure are found to nucleate from the grain boundaries of a bulk nanocrystalline Al-Ni-Y alloy fabricated via powder consolidation, contributing significantly to stabilization and…

Materials Science · Physics 2022-01-05 Tianjiao Lei , Mingjie Xu , Jungho Shin , Daniel S. Gianola , Timothy J. Rupert

We report on the application of a feedback-controlled electromigration technique for the formation of nanometer-sized gaps in mesoscopic gold wires and rings. The effect of current density and temperature, linked via Joule heating, on the…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Birgit Kießig , Hilbert v. Löhneysen , Roland Schäfer

Copper(II) silver(II) sulfate crystallizes in a monoclinic CuSO4-related structure with P21/n symmetry. This quasi-ternary compound features [Ag(SO4)2]2- layers, while the remaining cationic sites may be occupied either completely or…

Materials Science · Physics 2023-10-16 Mateusz Domanski , Zoran Mazej , Wojciech Grochala
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