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Within the statistical multifragmentation model we study modifications of the surface and symmetry energy of primary fragments in the freeze-out volume. The ALADIN experimental data on multifragmentation obtained in reactions induced by…

Nuclear Theory · Physics 2011-09-01 A. S. Botvina , N. Buyukcizmeci , M. Erdogan , J. Lukasik , I. N. Mishustin , R. Ogul , W. Trautmann

A two-dimensional fluid model is used to investigate the electron heating dynamics and the production of neutral species in a capacitively coupled radio-frequency micro atmospheric pressure helium plasma jet -- specifically the COST jet --…

Although free electron models have been established in order to capture the essential physics of interfacial and bulk properties in metals, some issues still remain regarding the application of free electron models to thin metal films. One…

Materials Science · Physics 2018-11-22 Kazuhiko Seki

We characterise the structural properties of the quasi-liquid layer (QLL) at two low-index ice surfaces in the presence of sodium chloride (Na$^+/$Cl$^-$) ions by molecular dynamics simulations. We find that the presence of a high surface…

Chemical Physics · Physics 2022-09-28 Margaret L. Berrens , Fernanda C. Bononi , Davide Donadio

Metal nanoparticles are receiving increased scientific attention owing to their unique physical and chemical properties that make them suitable for a wide range of applications in diverse fields, such as electrochemistry, biochemistry, and…

Chemical Physics · Physics 2020-10-09 Bendix Petersen , Rafael Roa , Joachim Dzubiella , Matej Kanduc

The numerous combinations of cations and anions turn out possible to produce ionic liquids with fine-tuned properties once the correlation with the molecular structure is known. In this sense, computer simulations are useful tools to…

The experimentally observed swelling and collapse response of weakly charged polymers to the addition of specific salts displays quite convoluted behavior that is not easy to categorize. Here we use a minimalistic implicit solvent /…

Chemical Physics · Physics 2018-08-13 Richard Chudoba , Jan Heyda , Joachim Dzubiella

Ni/Al reactive multilayers are promising materials for applications requiring controlled local energy release and superior mechanical performance. This study systematically investigates the impact of compositional variations, ranging from…

Materials Science · Physics 2026-04-14 Nensi Toncich , Fabian Schwarz , Rebecca A. Gallivan , Jemma Gillon , Ralph Spolenak

The interaction between surface patches of proteins with different surface properties has a vital role to play driving conformational changes of proteins in different salt solutions. We demonstrate the existence of ion-specific attractive…

Soft Condensed Matter · Physics 2012-01-06 Eduardo R. A. Lima , Mathias Boström , Nadine Schwierz , Bo E. Sernelius , Frederico W. Tavares

We report the sympathetic cooling and Coulomb crystallization of molecular ions above the surface of an ion-trap chip. N$_2^+$ and CaH$^+$ ions were confined in a surface-electrode radiofrequency ion trap and cooled by the interaction with…

Atomic Physics · Physics 2014-08-13 A. Mokhberi , S. Willitsch

We report on the systematic investigation of the role of surface nanoscale roughness and morphology on the charging behaviour of nanostructured titania (TiO2) surfaces in aqueous solutions. IsoElectric Points (IEPs) of surfaces have been…

Mesoscale and Nanoscale Physics · Physics 2017-06-21 F. Borghi , V. Vyas , A. Podestà , P. Milani

The off-normal ion irradiation of semiconductor materials is seen to induce nanopatterning effects. Different theories are proposed to explain the mechanisms that drive self-reorganization of amorphisable surfaces. One of the prominent…

Materials Science · Physics 2022-11-24 A. Lopez-Cazalilla , F. Djurabekova , K. Nordlund

The interaction of a bulk electron with conducting surfaces is studied by means of Bohm-Pines transformation in the second quantization formalism. The effective interaction potentials are obtained for the case of one plane and two plane…

Condensed Matter · Physics 2007-05-23 M. Durgut , E. Mete

Linear complexions are stable defect states that form along dislocations and recent experiments have demonstrated strengthening effects exceeding classical precipitation hardening predictions, motivating a detailed study of nanoscale…

Materials Science · Physics 2026-04-15 Zhengyu Zhang , Daniel S. Gianola , Timothy J. Rupert

Although strong modulation of interfacial electron concentrations by the relative acidity of surface additives has been suggested, direct observation of corresponding changes in surface conductivity, crucial for understanding the role of…

Materials Science · Physics 2025-05-21 Gyu Rac Lee , Thomas Defferriere , Jinwook Kim , Han Gil Seo , Yeon Sik Jung , Harry L. Tuller

Hydrodynamic behavior at the vicinity of a confining wall is closely related to the friction properties of the liquid/solid interface. Here we consider, using Molecular Dynamics simulations, the electric contribution to friction for charged…

Soft Condensed Matter · Physics 2009-11-11 Laurent Joly , Christophe Ybert , Emmanuel Trizac , Lyderic Bocquet

Morphology evolution and coarsening of metal nanoislands is computed within the framework of a surface diffusion-type model that includes the effects of the electron energy confinement within the film, the charge spillage at the…

Materials Science · Physics 2017-10-20 Mikhail Khenner

The identification of novel multifunctional Dirac materials has been an ongoing effort. In this connection quasi 2-dimensional (BEDT-TTF)-based charge transfer salts are widely discussed. Here, we report about the electronic structure of…

Materials Science · Physics 2018-08-29 R. Matthias Geilhufe , Benjamin Commeau , Gayanath W. Fernando

The size-dependent phase stability of gamma-Al2O3 was studied by large-scale molecular dynamics simulations over a wide temperature range from 300 to 900 K. For the gamma-Al2O3 crystal, a bulk transformation to alpha-Al2O3 by an FCC-to-HCP…

Use of lithium as a surface coating in fusion devices improves plasma performance, but the change in wall properties affects the secondary electron emission properties of the material. Lithium oxidizes easily, which drives the emission…

Plasma Physics · Physics 2025-05-23 Kolter Bradshaw , Ammar Hakim , Bhuvana Srinivasan