Quantum properties of atomic-sized conductors
Using remarkably simple experimental techniques it is possible to gently break a metallic
contact and thus form conducting nanowires. During the last stages of the pulling a neck …
contact and thus form conducting nanowires. During the last stages of the pulling a neck …
Metallic quantum dots
V Lindberg, B Hellsing - Journal of Physics: Condensed Matter, 2005 - iopscience.iop.org
In a quantum dot, the electrons are confined in all three dimensions to a length scale of the
order of the electron Fermi wavelength. Due to the confinement, quantum effects will …
order of the electron Fermi wavelength. Due to the confinement, quantum effects will …
Surface fluctuations and the stability of metal nanowires
CH Zhang, F Kassubek, CA Stafford - Physical Review B, 2003 - APS
The surface dynamics and thermodynamics of metal nanowires are investigated in a
continuum model. Competition between surface tension and electron-shell effects leads to a …
continuum model. Competition between surface tension and electron-shell effects leads to a …
Pentagonal multi-shell Cu nanowires
JW Kang, HJ Hwang - Journal of Physics: Condensed Matter, 2002 - iopscience.iop.org
We have investigated pentagonal multi-shell-type Cu nanowires using classical molecular
dynamics simulations. Each pentagonal multi-shell-type nanowire is composed of a central …
dynamics simulations. Each pentagonal multi-shell-type nanowire is composed of a central …
Molecular dynamics simulations of ultra-thin Cu nanowires
JW Kang, HJ Hwang - Computational materials science, 2003 - Elsevier
To study the properties of ultra-thin copper nanowires (NWs), we have simulated several
copper NWs using classical molecular dynamic simulations. As the temperature increases …
copper NWs using classical molecular dynamic simulations. As the temperature increases …
Jahn-Teller distortions and the supershell effect in metal nanowires
DF Urban, J Bürki, CH Zhang, CA Stafford, H Grabert - Physical review letters, 2004 - APS
A stability analysis of metal nanowires shows that a Jahn-Teller deformation breaking
cylindrical symmetry can be energetically favorable, leading to stable nanowires with elliptic …
cylindrical symmetry can be energetically favorable, leading to stable nanowires with elliptic …
Structures of cylindrical ultrathin copper nanowires
HJ Hwang, JW Kang - arXiv preprint cond-mat/0202260, 2002 - arxiv.org
To investigate cylindrical ultrathin copper nanowires, we performed atomistic simulations
using the steepest descent method. The stable structures of the cylindrical ultrathin copper …
using the steepest descent method. The stable structures of the cylindrical ultrathin copper …
Analysis of the shell-and supershell structures of metallic nanowires with jellium models
The stability of metallic nanowires is studied by analysing the shell-and supershell structures
of total energy oscillations. Fully quantum-mechanical calculations are performed for Cs, Na …
of total energy oscillations. Fully quantum-mechanical calculations are performed for Cs, Na …
Electron dynamics in rectangular double quantum dots
HY Ramirez, AS Camacho, LCLY Voon - Nanotechnology, 2006 - iopscience.iop.org
The temporal evolution of an electron in a double rectangular quantum dot in the presence
of an electric field pulse is explored in this work. In the framework of the effective mass …
of an electric field pulse is explored in this work. In the framework of the effective mass …
Model study of adsorbed metallic quantum dots: Na on Cu (111)
T Torsti, V Lindberg, MJ Puska, B Hellsing - Physical Review B, 2002 - APS
We model electronic properties of the second-monolayer Na adatom islands (quantum dots)
on the Cu (111) surface covered homogeneously by the first Na monolayer. An axially …
on the Cu (111) surface covered homogeneously by the first Na monolayer. An axially …