English
Related papers

Related papers: Spatially resolved surface dissipation over metal …

200 papers

Polarizable randomly charged dielectric objects have been recently shown to exhibit long-range lateral and normal interaction forces even when they are effectively net neutral. These forces stem from an interplay between the quenched…

Soft Condensed Matter · Physics 2012-07-20 Ali Naji , Jalal Sarabadani , David S. Dean , Rudolf Podgornik

We studied dynamics of Au (001) surface in situ in 0.1 M HClO4 electrolyte solution using both coherent x-ray scattering and scanning tunneling microscopy (STM). The surface of Au (001) is known to reconstruct at cathodic potentials; the…

Materials Science · Physics 2011-10-18 M. S. Pierce , V. Komanicky , A. Barbour , D. C. Hennessy , J. -D. Su , A. Sandy , C. Zhu , H. You

In this paper we discuss the interplay of quantum fluctuations and dissipation in uniform superconducting nanowires. We consider a phenomenological model with superconducting and normal components, and a finite equilibration rate between…

Superconductivity · Physics 2013-05-29 Gil Refael , Eugene Demler , Yuval Oreg

Hyperuniform many-body systems in $d$-dimensional Euclidean space are characterized by completely suppressed (normalized) infinite-wavelength density fluctuations, and appear to be endowed with novel exotic physical properties. In this…

Soft Condensed Matter · Physics 2021-06-09 Duyu Chen , Yu Zheng , Chia-Hao Lee , Sangmin Kang , Wenjuan Zhu , Houlong Zhuang , Pinshane Y. Huang , Yang Jiao

We propose a model for surfaces in mixtures of oil, water and surfactants with strong electric dipoles. The dipole interactions give rise to a non-local interaction with negative stiffness between surface elements. We show that, for large…

Soft Condensed Matter · Physics 2007-05-23 M. C. Diamantini , H. Kleinert , C. A. Trugenberger

Low field response function calculations have been performed on a two-dimensional electron gas with well-defined electron-surface roughness scattering. The Lindhard model was employed to compute the response function. In particular,…

Mesoscale and Nanoscale Physics · Physics 2014-09-02 A. Phirouznia , L. Javadian , J. Poursamad Bonab , K. Jamshidi-Ghaleh

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…

Using cross-sectional scanning tunneling microscopy on in situ fractured SrTiO$_{3}$, one of the most commonly used substrates for the growth of complex oxide thin films and superlattices, atomically smooth terraces have been observed on…

Mesoscale and Nanoscale Physics · Physics 2009-12-22 Nathan P. Guisinger , Tiffany S. Santos , Jeffrey R. Guest , Te-Yu Chien , Anand Bhattacharya , John W. Freeland , Matthias Bode

Electrical pulse stimulation drives many important physical phenomena in condensed matter as well as in electronic systems and devices. Often, nanoscopic and mesoscopic mechanisms are hypothesized, but methods to image electrically driven…

Mesoscale and Nanoscale Physics · Physics 2023-06-05 Thomas E Gage , Daniel B Durham , Haihua Liu , Supratik Guha , Ilke Arslan , Charudatta Phatak

We explore an efficient way to numerically evaluate the response of the surface stress of a metal to changes in its superficial charge density by analysis of the strain-dependence of the work function of the uncharged surface. As an…

Materials Science · Physics 2007-05-23 Y. Umeno , Ch. Elsässer , B. Meyer , P. Gumbsch , M. Nothacker , J. Weissmuller , F. Evers

Synchrotron x-ray scattering studies of anti-ferroelectric nanoregions (AFR) as fluctuations, which give rise to 1/2(hk0) superlattice reflections (alpha spots), were systematically performed in Pb(Mg1/3Nb2/3)O3 (PMN) ferroelectric relaxor.…

Materials Science · Physics 2007-05-23 A. Tkachuk , Haydn Chen

We report real space imaging measurements of inelastic Friedel oscillations. The inelastic electron tunneling spectroscopy, using scanning tunneling microscopy, around dimers of dichlorobenze adsorbates on Au(111) surface display clear…

Mesoscale and Nanoscale Physics · Physics 2011-08-17 H. Gawronski , J. Fransson , K. Morgenstern

We investigate theoretically the shielding of the electromagnetic field fluctuations by s-wave and d-wave superconductors within the framework of macroscopic quantum electrodynamics. The spin flip lifetime is evaluated above a niobium and a…

Quantum Physics · Physics 2015-05-13 Rachele Fermani , Stefan Scheel

In the first two papers in this series, we developed new shifted potential (SP), gradient shifted force (GSF), and Taylor shifted force (TSF) real-space methods for multipole interactions in condensed phase simulations. Here, we discuss the…

Chemical Physics · Physics 2016-08-18 Madan Lamichhane , Thomas Parsons , Kathie E. Newman , J. Daniel Gezelter

We investigate the effect of surface acoustic waves on the atomic-like optical emission from defect centers in hexagonal boron nitride layers deposited on the surface of a LiNbO$_3$ substrate. The dynamic strain field of the surface…

Mesoscale and Nanoscale Physics · Physics 2019-08-19 F. Iikawa , A. Hernández-Mínguez , I. Aharonovich , S. Nakhaie , Y. -T. Liou , J. M. J. Lopes , P. V. Santos

We present an electron energy loss study using energy filtered TEM of spatially resolved surface plasmon excitations on a silver nanorod of aspect ratio 14.2 resting on a 30 nm thick silicon nitride membrane. Our results show that the…

Surface effects are generally prevailing in confined colloidal systems. Here we report on dispersed nanoparticles close to a fluid membrane. Exact results regarding the static organization are derived for a dilute solution of non-adhesive…

Statistical Mechanics · Physics 2009-11-10 Thomas Bickel , Mabrouk Benhamou , Hamid Kaidi

In this work, we study the heat dissipated at metal surfaces by the electromagnetic field scattered by isolated subwavelength apertures in metal screens. In contrast to our common belief that the intensity of waves created by local sources…

Optics · Physics 2019-03-21 O. Lozan , M. Perrin , B. Ea-Kim , J. M. Rampnoux , S. Dilhaire , P. Lalanne

We study properties of stable, strictly stable and locally outermost marginally outer trapped surfaces in spacelike hypersurfaces of spacetimes possessing certain symmetries such as isometries, homotheties and conformal Killings. We first…

General Relativity and Quantum Cosmology · Physics 2009-08-12 Alberto Carrasco , Marc Mars

We consider the trapping reaction, $A+B\to B$, where $A$ and $B$ particles have a diffusive dynamics characterized by diffusion constants $D_A$ and $D_B$. The interaction with $B$ particles can be formally incorporated in an effective…

Statistical Mechanics · Physics 2009-11-10 L. Anton , R. A. Blythe , A. J. Bray