Effects of size and shape on electronic states of quantum dots

CY Ngo, SF Yoon, WJ Fan, SJ Chua - Physical Review B—Condensed Matter …, 2006 - APS
A strained-modified, single-band, constant-potential three-dimensional model is formulated
to study the dependence of electronic states of InAs∕ GaAs quantum dots (QDs) on shape …

Size-dependent intersubband optical properties of dome-shaped InAs/GaAs quantum dots with wetting layer

M Sabaeian, A Khaledi-Nasab - arXiv preprint arXiv:1306.6400, 2013 - arxiv.org
In this work, the effect of size and wetting layer on subband electronic envelop functions,
eigenenergies, linear and nonlinear absorption coefficients and refractive indices of a dome …

Study of impurity position effect in pyramid and cone like quantum dots

R Khordad, H Bahramiyan - The European Physical Journal Applied …, 2014 - epjap.org
In the present work, we have studied the effect of impurity position on energy levels, the
donor binding energy and third harmonic generation of a pyramid and a cone like quantum …

Binding energy and diamagnetic susceptibility of an on-center hydrogenic donor impurity in a spherical quantum dot placed at the center of a cylindrical nano-wire

G Safarpour, M Barati, M Moradi, S Davatolhagh… - Superlattices and …, 2012 - Elsevier
The binding energy and diamagnetic susceptibility of an on-center hydrogenic donor
impurity in an InAs spherical quantum dot placed at the center of a GaAs cylindrical nano …

New theoretical approach of the physical processes in nanostructures

M Agop, N Forna, I Casian-Botez… - … of Computational and …, 2008 - ingentaconnect.com
A mathematical model of the physical processes in nanostructures, considering that the
motion of the micro-particles takes place on continuous but non-differentiable curves, ie, on …

First principles molecular dynamics study of CdS nanostructure temperature-dependent phase stability

B Wen, RVN Melnik - Applied Physics Letters, 2008 - pubs.aip.org
First principles molecular dynamics simulations are used to determine the relative stability of
wurtzite, graphitic, and rocksalt phases of the CdS nanostructure at various temperatures …

Electronic and optical properties of a lens shaped quantum dot under magnetic field: Second and third-harmonic generation

R Khordad, H Bahramiyan - Communications in Theoretical …, 2014 - iopscience.iop.org
In the present work, we have studied electronic and optical properties of a lens-shaped
quantum dot under an external magnetic field. For this goal, we have calculated the energy …

Self-assembled strained pyramid-shaped InAs/GaAs quantum dots: the effects of wetting layer thickness on discrete and quasi-continuum levels

M Sabaeian, M Shahzadeh - Physica E: Low-dimensional Systems and …, 2014 - Elsevier
The effects of wetting layer thickness and quantum dot (QD) shape on S-state, P-state, and
quasi-continuum energy levels of three dimensional strained pyramid-shaped QDs were …

[HTML][HTML] The effects of wetting layer on electronic and optical properties of intersubband P-to-S transitions in strained dome-shaped InAs/GaAs quantum dots

M Shahzadeh, M Sabaeian - AIP Advances, 2014 - pubs.aip.org
The authors report on the impact of wetting layer thickness and quantum dot size on the
electronic and optical properties of dome-shaped InAs/GaAs quantum dots (QDs) with …

Thermoelectromechanical effects in quantum dots

SR Patil, RVN Melnik - Nanotechnology, 2009 - iopscience.iop.org
Electromechanical effects are important in semiconductor nanostructures as most of the
semiconductors are piezoelectric in nature. These nanostructures find applications in …