III/V ratio based selectivity between strained Stranski-Krastanov and strain-free GaSb quantum dots on GaAs

G Balakrishnan, J Tatebayashi, A Khoshakhlagh… - Applied physics …, 2006 - pubs.aip.org
The authors demonstrate and characterize type-II GaSb quantum dot (QD) formation on
GaAs by either Stranski-Krastanov (SK) or interfacial misfit (IMF) growth mode. The growth …

Lasing characteristics of GaSb∕ GaAs self-assembled quantum dots embedded in an InGaAs quantum well

J Tatebayashi, A Khoshakhlagh, SH Huang… - Applied Physics …, 2007 - pubs.aip.org
The authors report the optical characteristics of Ga Sb∕ Ga As self-assembled quantum
dots (QDs) embedded in an InGaAs quantum well (QW). Variations in the In composition of …

multilayers with submonolayer quantities of Te: Type-II quantum structures and isoelectronic centers

Y Gu, IL Kuskovsky, M Van der Voort, GF Neumark… - Physical Review B …, 2005 - APS
Detailed studies with spectral and time-resolved photoluminescence, photoluminescence
excitation, and absorption spectroscopies show the formation of type-II quantum structures …

Formation and optical characteristics of strain-relieved and densely stacked GaSb∕ GaAs quantum dots

J Tatebayashi, A Khoshakhlagh, SH Huang… - Applied Physics …, 2006 - pubs.aip.org
The authors report the formation and optical characteristics of type-II, strain-relieved, and
densely stacked Ga Sb∕ Ga As quantum dots (QDs) using an interfacial misfit (IMF) growth …

Time-resolved photoluminescence of type-II Ga (As) Sb/GaAs quantum dots embedded in an InGaAs quantum well

J Tatebayashi, BL Liang, RB Laghumavarapu… - …, 2008 - iopscience.iop.org
Optical properties and carrier dynamics in type-II Ga (As) Sb/GaAs quantum dots (QDs)
embedded in an InGaAs quantum well (QW) are reported. A large blueshift of the …

An investigation of exciton behavior in type-II self-assembled GaSb/GaAs quantum dots

F Qiu, W Qiu, Y Li, X Wang, Y Zhang, X Zhou… - …, 2015 - iopscience.iop.org
We report the investigation of exciton dynamics in type-II self-assembled GaSb/GaAs
quantum dots. The GaSb/GaAs quantum dots (QDs) were grown using a modified liquid …

Carrier dynamics study of the temperature-and excitation-dependent photoluminescence of InAs∕ GaAs quantum dots

TE Nee, YF Wu, CC Cheng, HT Shen - Journal of applied physics, 2006 - pubs.aip.org
We investigate the effects that the carrier dynamics have on the temperature and excitation
intensity dependence of the photoluminescence (PL) of self-assembled InAs∕ GaAs …

Photoluminescence studies of GaSbBi quantum dots grown on GaAs by liquid phase epitaxy

TD Das, DP Samajdar, MK Bhowal, SC Das… - Current Applied …, 2016 - Elsevier
Liquid phase epitaxial growth from a saturated GaSb solution in Ga with 1.3 at.% Bi, on
GaAs substrates is shown to produce quantum dots with a Bi content of 0.5 at.%. The height …

In situ study of the formation kinetics of InSb quantum dots grown in an InAs (Sb) matrix

AN Semenov, OG Lyublinskaya, VA Solov'ev… - Semiconductors, 2008 - Springer
Formation of InSb quantum dots grown in an InAs matrix by molecular-beam epitaxy that
does not involve forced deposition of InSb is studied. Detection of intensity oscillations in the …

Multilayer GaSb/GaAs self-assembled quantum dots grown by metalorganic chemical vapor deposition

KSA Butcher, EM Goldys, TL Tansley - Materials chemistry and physics, 2003 - Elsevier
A mutilayer structure of self-assembled GaSb/GaAs quantum dots (QDs) has been grown for
the first time by metalorganic chemical vapor deposition (MOCVD) in the Stranski …