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A new type of quantum size effect (QSE) oscillations is predicted for films with a relatively large correlation radius of surface inhomogeneities. The effect replaces usual QSE for random inhomogeneities with Gaussian and exponential power…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 A. E. Meyerovich , I. V. Ponomarev

The effect of coupling of quantized modes on transport and localization in ultrathin films with quantum size effect (QSE) is discussed. The emphasis is on comparison of films with Gaussian, exponential, and power-law long-range behavior of…

Disordered Systems and Neural Networks · Physics 2009-11-11 Yiying Cheng , A. E. Meyerovich

Conductivity of quantized multilayer metal films is analyzed with an emphasis on scattering by rough interlayer interfaces. Three different types of quantum size effect (QSE) in conductivity are predicted. Two of these QSE are similar to…

Mesoscale and Nanoscale Physics · Physics 2009-01-09 I. V. Ponomarev , A. E. Meyerovich

This is the second in the series of papers on transport phenomena along random rough surfaces. We apply our simple general approach\cite{r1} to transport in very narrow channels, when the particles wavelength is comparable to the width of…

Condensed Matter · Physics 2007-05-23 A. E. Meyerovich , S. Stepaniants

Morphological instability of a planar surface ([111], [011], or [001]) of an ultra-thin metal film is studied in a parameter space formed by three major effects (the quantum size effect, the surface energy anisotropy and the surface stress)…

Materials Science · Physics 2020-12-03 Mikhail Khenner

The interplay of bulk and boundary scattering is explored in a regime where quantum size effects modify mesoscopic transport in a degenerate Fermi liquid film of $^3$He on a rough surface. We discuss mass transport and the momentum…

Mesoscale and Nanoscale Physics · Physics 2019-11-20 Priya Sharma , Antonio Corcoles , R. G. Bennett , Jeevak M. Parpia , Brian Cowan , John Saunders

The miniaturization of electronic devices has led to the prominence, in technological applications, of semiconductor thin films that are only a few nanometers thick. In spite of intense research, the thickness-dependent resistivity or…

Mesoscale and Nanoscale Physics · Physics 2025-04-15 Alessio Zaccone

The origin of the correlation between surface reactivity and quantum-size effects, observed in recent experiments on the oxidation of ultrathin magnesium films, is addressed by means of ab-initio calculations and model predictions. We show…

Materials Science · Physics 2009-11-11 N. Binggeli , M. Altarelli

We study the transport properties of a quasi-two-dimensional diffusive normal metal film attached to a superconductor. We demonstrate that the properties of such films can essentially differ from those of quasi-one-dimensional systems: in…

Superconductivity · Physics 2009-10-30 Frank K. Wilhelm , Andrei D. Zaikin , Herve Courtois , .

We extend quantum models of nanowire surface scattering to incorporate bulk resistivity and extract an expression for the increased resistivity due to surface roughness. To learn how to improve conductivity, we calculate conductivity…

Mesoscale and Nanoscale Physics · Physics 2008-06-18 Baruch Feldman , Rui Deng , Scott T. Dunham

Electron transport is studied in surface oxidized single-crystal copper thin films with a thickness of up to 5.6 nm by applying density functional theory and density functional tight binding methods to determine electron transport…

We report on a theoretical study of quantum charge transport in atomistic models of silicon nanowires with surface roughness-based disorder. Depending on the nanowires features (length, roughness profile) various conduction regimes are…

Disordered Systems and Neural Networks · Physics 2011-05-17 Aurelien Lherbier , Martin Persson , Yann-Michel Niquet , Francois Triozon , Stephan Roche

The quantum size effect (QSE) and strain effect are two key factors influencing the surface morphology of thin films, which can increase film surface roughness through QSE-induced thickness oscillation and strain-induced island formation,…

We develop a theoretical framework to investigate the interplay between quantum size effect (QSE) and strain effect on the stability of metal nanofilms. The QSE and strain effect are shown to be coupled through the concept of "quantum…

Materials Science · Physics 2012-09-18 Miao Liu , Yong Han , Lin Tang , Jin-Feng Jia , Qi-Kun Xue , Feng Liu

A detailed formulation for the effects of the surface integrity, i.e. surface topography, surface metallurgy, and surface mechanical properties, on the mechanics of ultra-thin films is proposed in the framework of linear elasticity. In this…

Applied Physics · Physics 2017-12-27 M. Shaat

Recent experimental advances in surface science have made it possible to track the evolution of superconductivity in films as the thickness enters the nanoscale region where it is expected that the substrate plays an important role. Here,…

Superconductivity · Physics 2016-01-15 Aurelio Romero-Bermúdez , Antonio M. García-García

We discuss the mass transport of a degenerate Fermi liquid $^3$He film over a rough surface, and the film momentum relaxation time, in the framework of theoretical predictions. In the mesoscopic r\'egime, the anomalous temperature…

Materials Science · Physics 2015-05-20 P. Sharma , A. Córcoles , R. G. Bennett , J. M. Parpia , B. Cowan , A. Casey , J. Saunders

Effects of correlated disorder on wave localization have attracted considerable interest. Motivated by the importance of studies of quantum transport in rough nanowires, here we examine how colored surface roughness impacts the conductance…

Disordered Systems and Neural Networks · Physics 2015-05-14 Gursoy B. Akguc , Jiangbin Gong

We discuss surface roughness effects on the conduction of electrons in metals using both the quantal Kubo-Greenwood formalism and the semi-classical Fuchs-Sondheimer method. The main purpose here is to compare these methods and clarify a…

Mesoscale and Nanoscale Physics · Physics 2021-06-09 Hai-Yao Deng

The electronic properties of thin films present quantum-size effects, which are a consequence of the finite size of the system. Here we focus on the investigation of these effects on the electronic energy loss of charged particles moving…

Materials Science · Physics 2009-10-31 A. Garcia-Lekue , J. M. Pitarke
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