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Acquiring quantitative information on charge transfer (CT) dynamics at the nanoscale remains an important scientific challenge. In particular, CT processes in single molecules at surfaces needs to be investigated to be properly controlled…

Mesoscale and Nanoscale Physics · Physics 2017-06-20 Hatem Labidi , Henry Pinto , Jerzy Leszczynski , Damien Riedel

We study the spectrum of vibrational modes in metal nanoparticles with a dielectric core. Vibrational modes are excited by the rapid heating of the particle lattice that takes place after laser excitation, and can be monitored by means of…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Arman S. Kirakosyan , Tigran V. Shahbazyan

Recent nuclear magnetic resonance measurements on isotope engineered double walled carbon nanotubes (DWCNTs) surprisingly suggest a uniformly metallic character of all nanotubes, which can only be explained by the interaction between the…

Materials Science · Physics 2007-05-23 V. Zólyomi , J. Koltai , Á. Rusznyák , J. Kürti , Á. Gali , F. Simon , H. Kuzmany , Á. Szabados , P. R. Surján

Electrons bound to the surface of liquid helium are an emerging quantum computing platform, offering the potential for highly mobile spin qubits that can be manipulated using CMOS-fabricated devices. Here, as a step toward realizing this…

Mesoscale and Nanoscale Physics · Physics 2025-11-21 K. E. Castoria , H. Byeon , N. R. Beysengulov , E. O. Glen , M. Sammon , J. Pollanen , D. G. Rees , S. A. Lyon

The formation of the electron energy distribution function in nanosecond atmospheric nitrogen discharges is investigated by means of self-consistent solution of the chemical kinetics and the Boltzmann equation for free electrons. The…

Modeling nanoscale devices quantum mechanically is a computationally challenging problem where new methods to solve the underlying equations are in a dire need. In this paper, we present an approach to calculate the charge density in…

Numerical Analysis · Mathematics 2013-05-07 U. Hetmaniuk , Y. Zhao , M. P. Anantram

Nanometer copper ferrite, as a kind of nanometer particle with catalytic activity, and its photothermal and magnetothermal effects as ferrite, can be widely used in different fields. It is a general way to obtain the nano effect of the…

Mesoscale and Nanoscale Physics · Physics 2023-01-04 Zihan Huang , Yiyi Hang

We show that scanning gate microscopy can be used for probing electron-electron interactions inside a nanostructure. We assume a simple model made of two non-interacting strips attached to an interacting nanosystem. In one of the strips,…

Mesoscale and Nanoscale Physics · Physics 2008-10-07 Axel Freyn , Ioannis Kleftogiannis , Jean-Louis Pichard

Using an atomic force microscope we have created nanotube junctions such as buckles and crossings within individual single-wall metallic carbon nanotubes connected to metallic electrodes. The electronic transport properties of these…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Henk W. Ch. Postma , Mark de Jonge , Zhen Yao , Cees Dekker

Convergent semiclassical trace formulae for the density of states and cohesive force of a narrow constriction in an electron gas, whose classical motion is either chaotic or integrable, are derived. It is shown that mode quantization in a…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 C. A. Stafford , F. Kassubek , J. Bürki , H. Grabert

Excitation energy transfer (EET) in an organic/inorganic nanohybrid system, composed of a single \textit{para}-sexiphenyl (6P) molecule physisorbed on a finite-sized MoS$_2$ nanoflake, is investigated theoretically. % The electronic…

Mesoscale and Nanoscale Physics · Physics 2026-01-22 Yan Meng , Kainan Chang , Luxia Wang

Understanding the oxidation and reduction mechanisms of catalytically active transition metal nanoparticles is important to improve their application in a variety of chemical processes. In nanocatalysis the nanoparticles can undergo…

Chemical Physics · Physics 2017-05-18 Alec Lagrow , Michael Ward , David Lloyd , Pratibha Gai , Edward Boyes

We introduce a model that accounts for the bipolar resistive switching phenomenom observed in transition metal oxides. It qualitatively describes the electric field-enhanced migration of oxygen vacancies at the nano-scale. The numerical…

Materials Science · Physics 2015-05-14 M. J. Rozenberg , M. J. Sanchez , R. Weht , C. Acha , F. Gomez-Marlasca , P. Levy

The article considers the simulation of the formation of a multilayer nanocomposite, the combination of elements of which gives rise to the effect of a spin valve. The relevance and importance of the effects in the field of spintronics and…

Superconductivity · Physics 2022-08-18 A. V. Vakhrushev , A. Yu. Fedotov , Yu. B. Savva , A. S. Sidorenko

We consider a mesoscopic mechanism of the exchange interaction in a system of alternating ferromagnetic/nonmagnetic metallic layers. In the case of small mesoscopic samples the sign and the amplitude of the exchange energy turn out to be…

Condensed Matter · Physics 2007-05-23 B. Spivak , A. Zyuzin

We explore the malleability of ultra-small metal nanoparticles by means of ab initio calculations. It is revealed that, when strained, such nanoparticles exhibit complex behavior, including bifurcation between slow and fast quakes of their…

Mesoscale and Nanoscale Physics · Physics 2017-11-06 Alireza Saffarzadeh , George Kirczenow

A hybrid scheme between large-scale electronic structure calculations is developed and applied to nanocrystalline silicon with more than 10$^5$ atoms. Dynamical fracture processes are simulated under external loads in the [001] direction.…

Materials Science · Physics 2007-05-23 Takeo Hoshi , Takeo Fujiwara

A summary is given of a talk on the physics and technology of hybrid metallic nanostructures, with a view to metallic nanoelectronics. In the beginning of the talk it was noted that the majority of the presentations at the conference were…

Mesoscale and Nanoscale Physics · Physics 2009-10-08 V. T. Petrashov

A scanning tunneling microscope (STM) supplemented with a force sensor is used to study the mechanical properties of a novel metallic nanostructure: a freely suspended chain of single gold atoms. We find that the bond strength of the…

Condensed Matter · Physics 2009-11-07 G. Rubio-Bollinger , S. R. Bahn , N. Agrait , K. W. Jacobsen , S. Vieira

The response of a model micro-electrochemical system to a time-dependent applied voltage is analyzed. The article begins with a fresh historical review including electrochemistry, colloidal science, and microfluidics. The model problem…

Soft Condensed Matter · Physics 2009-11-10 Martin Z. Bazant , Katsuyo Thornton , Armand Ajdari