We theoretically investigate the binding energy and electron-hole (eh) overlap of excitonic states confined at the interface between two-dimensional materials with type-II band …
C Dion, P Desjardins, N Shtinkov, MD Robertson… - Physical Review B …, 2008 - APS
Atomic intermixing during the growth of self-assembled InAs quantum dots (QDs) in InP (001) by chemical beam epitaxy (CBE) can result in the formation of graded interfaces or …
N Shtinkov, P Desjardins, RA Masut - Physical Review B, 2002 - APS
We investigate theoretically the electronic structure of strained ultrathin InAs/InP (001) quantum wells (QWs), using the semiempirical sp 3 d 5 s* nearest-neighbors tight-binding …
V Donchev, K Germanova, N Shtinkov… - … Publishers, Inc., New …, 2006 - books.google.com
We present a detailed theoretical, numerical and photoluminescence (PL) study of the electronic structure and optical properties of short-period AlAs/GaAs (001) superlattices …
By means of Raman scattering, photoluminescence, and x-ray diffraction experiments, we have studied a series of ultrathin In As∕ In P single quantum wells grown with nominal well …
T Ivanov, K Kirilov, V Donchev, K Germanova - this volume, 2006 - researchgate.net
We have studied GaAs quantum wells (QWs) embedded in (AlAs) 4/(GaAs) 8 superlattices (SLs) by means of surface photovoltage (SPV) spectroscopy, taking advantage of its high …
T Ivanov, V Donchev, K Kirilov… - … of optoelectronics and …, 2007 - researchgate.net
The SPV method is a powerful non-destructive and contactless characterization technique, which has been used to study the electronic properties of a wide range of semiconductor …
V DONCHEV, K GERMANOVA… - Annuaire de l'Université …, 2005 - researchgate.net
A detailed optical study of GaAs quantum wells embedded in AlAs/GaAs superlattices is presented. Photoluminescence (PL) measurements are carried out on a number of samples …
K Kirilov, V Donchev, M Saraydarov… - … of optoelectronics and …, 2007 - researchgate.net
The modification of the electronic states and optical properties of quantum nanostructures by means of purposely induced interface grading has attracted a growing interest during the …