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The detailed atomistic modeling of electrochemically deposited metal monolayers is challenging due to the complex structure of the metal-solution interface and the critical effects of surface elec- trification during electrode polarization.…

Materials Science · Physics 2017-11-22 Stephen E. Weitzner , Ismaila Dabo

An appropriate model Hamiltonian based formalism is proposed for a random adsorbate layer with arbitrary coverage and the ensuing two-dimensional band formation by metallic adsorbates in the monolayer regime. The coherent potential…

Chemical Physics · Physics 2007-05-23 A. K. Mishra

Understanding the response of the surface of metallic solids to external electric field sources is crucial to characterize electrode-electrolyte interfaces. Continuum electrostatics offer a simple description of the induced charge density…

Chemical Physics · Physics 2021-12-14 Giovanni Pireddu , Laura Scalfi , Benjamin Rotenberg

Simultaneous monitoring of ac and dc responses of the electrode-electrolyte interface with potentiodynamic electrochemical impedance spectroscopy (PDEIS) in silver underpotential and overpotential deposition on platinum has confirmed the…

Materials Science · Physics 2007-05-23 Genady Ragoisha , Alexander Bondarenko

In this work, we have studied theoretically the effects of gold adsorption on the Al(001) surface, using {\it ab initio} pseudo-potential method in the framework of the density functional theory. Having found the hollow sites at the Al(001)…

Materials Science · Physics 2009-11-13 N. Zare Dehnavi , M. Payami

Electrodeposition is a fundamental process in electrochemistry, and has applications in numerous industries, such as corrosion protection, decorative finishing, energy storage, catalysis, and electronics. While there is a long history of…

Materials Science · Physics 2025-06-02 Shayantan Chaudhuri , Reinhard J. Maurer

A detailed understanding of the material response to rapid compression is challenging and demanding. For instance, the element gold under dynamic compression exhibits complex phase transformations where there exist some large discrepancies…

Materials Science · Physics 2021-07-20 Bo Chen , Qiyu Zeng , Han Wang , Shen Zhang , Dongdong Kang , Denghui Lu , Jiayu Dai

The performance of gold nanoparticles (NPs) in applications depends critically on the structure of the NP-solvent interface, at which the electrostatic surface polarization is one of the key characteristics that affects hydration, ionic…

Chemical Physics · Physics 2021-09-20 Zhujie Li , Victor G. Ruiz , Matej Kanduč , Joachim Dzubiella

Passivating lithium ion battery electrode surfaces to prevent electrolyte decomposition is critical for battery operations. Recent work on conformal atomic layer deposition (ALD) coating of anodes and cathodes has shown significant…

Chemical interface damping is a change in the effective collision frequency of conduction band electrons in metal originating from a chemical change of the metal interface. In this work, we present in-situ ellipsometric measurements that…

Materials Science · Physics 2024-09-12 Maurice Pfeiffer , Xinyan Wu , Fatemeh Ebrahimi , Nadiia Mameka , Manfred Eich , Alexander Petrov

Focused electron beam induced deposition of pure materials from aqueous solutions has been of interest in recent years. However, controlling the liquid film in partial vacuum is challenging. Here we modify the substrate to increase control…

Applied Physics · Physics 2020-12-15 Samaneh Esfandiarpour , J. Todd Hastings

We present a tutorial discussion of Monte Carlo methods for equilibrium and nonequilibrium problems in interfacial electrochemistry. The discussion is illustrated with results from simulations of three specific systems: bromine adsorption…

Soft Condensed Matter · Physics 2007-05-23 Gregory Brown , Per Arne Rikvold , S. J. Mitchell , M. A. Novotny

Quantitative description of reaction mechanisms in aqueous phase electrochemistry requires experimental characterization of local water structure at the electrode/aqueous interface and its evolution with changing potential. Gaining such…

Chemical Physics · Physics 2017-11-07 Yujin Tong , François Lapointe , Matin Thämer , Martin Wolf , R. Kramer Campen

We demonstrate that the driving forces for ion adsorption to the air-water interface for point charge models results from both cavitation and a term that is of the form of a negative electrochemical surface potential. We carefully…

Soft Condensed Matter · Physics 2013-07-08 Marcel D. Baer , Abraham C. Stern , Yan Levin , Douglas J. Tobias , Christopher J. Mundy

Electrochemistry experiments have established that the capacitance of electrode-electrolyte interfaces is much larger for good metals such as gold and platinum than for carbon-based materials. Despite the development of elaborate electrode…

Materials Science · Physics 2021-09-03 Alessandra Serva , Laura Scalfi , Benjamin Rotenberg , Mathieu Salanne

We study the linear stability of transient electrodeposition in a charged random porous medium, whose pore surface charges can be of any sign, flanked by a pair of planar metal electrodes. Discretization of the linear stability problem…

Chemical Physics · Physics 2019-07-09 Edwin Khoo , Hongbo Zhao , Martin Z. Bazant

We perform a joint experimental-theoretical study of the electrochemical oxidation of CO on copper (Cu) under alkaline conditions. Using cyclic voltammetry on Cu single crystal surfaces, we demonstrate that both Cu terraces and steps show…

The results of investigation of kinetics of nanopores filling into membranes from aluminum oxide (pore diameter - 200 nm, porosity ~ 50%) at electrodeposition of copper and silver are described. It is shown, that at identical quantity of…

Mesoscale and Nanoscale Physics · Physics 2007-07-06 P. G. Globa , E. A. Zasavitsky , V. G. Kantser , S. P. Sidelinikova , A. I. Dikusar

We demonstrate an unexpectedly strong surface-plasmonic absorption at the interface of silver and high-index dielectrics based on electron and photon spectroscopy. The measured bandwidth and intensity of absorption deviate significantly…

In recent years, nanostructures with hexagonal polytypes of gold have been synthesised, opening new possibilities in nanoscience and technology. As bulk gold crystallizes in the \textit{fcc} phase, surface effects can play an important role…

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