[HTML][HTML] Excitonic structure and pumping power dependent emission blue-shift of type-II quantum dots

P Klenovský, P Steindl, D Geffroy - Scientific Reports, 2017 - nature.com
In this work we study theoretically and experimentally the multi-particle structure of the so-
called type-II quantum dots with spatially separated electrons and holes. Our calculations …

MOVPE‐growth of InGaSb/AlP/GaP (001) quantum dots for nanoscale memory applications

EM Sala, IF Arikan, L Bonato, F Bertram… - … status solidi (b), 2018 - Wiley Online Library
The structural and optical properties of InGaSb/GaP (001) type‐II quantum dots (QDs) grown
by metalorganic vapor phase epitaxy (MOVPE) are studied. Growth strategies as growth …

Structural and optical properties of InAs/AlAsSb quantum dots with GaAs (Sb) cladding layers

PJ Simmonds, R Babu Laghumavarapu, M Sun… - Applied Physics …, 2012 - pubs.aip.org
We investigate the effect of GaAs 1− x Sb x cladding layer composition on the growth and
properties of InAs self-assembled quantum dots surrounded by AlAs 0.56 Sb 0.44 barriers …

Growth and structure of In0. 5Ga0. 5Sb quantum dots on GaP (001)

EM Sala, G Stracke, S Selve, T Niermann… - Applied Physics …, 2016 - pubs.aip.org
Stranski-Krastanov (SK) growth of In 0.5 Ga 0.5 Sb quantum dots (QDs) on GaP (001) by
metalorganic vapor phase epitaxy is demonstrated. A thin GaAs interlayer prior to QD …

Blueshifts of the emission energy in type-II quantum dot and quantum ring nanostructures

PD Hodgson, RJ Young, M Ahmad Kamarudin… - Journal of Applied …, 2013 - pubs.aip.org
We have studied the ensemble photoluminescence (PL) of 11 GaSb/GaAs quantum dot/ring
(QD/QR) samples over≥ 5 orders of magnitude of laser power. All samples exhibit a …

Structural and optical characterization of Mg-doped GaAs nanowires grown on GaAs and Si substrates

BP Falcão, JP Leitão, MR Correia, MR Soares… - Journal of Applied …, 2013 - pubs.aip.org
We report an investigation on the morphological, structural, and optical properties of large
size wurtzite GaAs nanowires, low doped with Mg, grown on GaAs (111) B and Si (111) …

Optical signatures of type I–type II band alignment transition in Cd (Se, Te)/ZnTe self-assembled quantum dots

P Baranowski, M Szymura, G Karczewski… - Applied Physics …, 2020 - pubs.aip.org
Self-assembled Cd (Se, Te) quantum dots with various Se compositions embedded in the
ZnTe matrix are grown by molecular beam epitaxy. A huge redshift of the near band edge …

[HTML][HTML] Self-catalyzed InSb/InAs quantum dot nanowires

O Arif, V Zannier, F Rossi, D Ercolani, F Beltram… - Nanomaterials, 2021 - mdpi.com
The nanowire platform offers great opportunities for improving the quality and range of
applications of semiconductor quantum wells and dots. Here, we present the self-catalyzed …

Structural and optical properties of Be-doped high-quality self-catalyzed GaAs nanowires

Y Kang, H Li, J Tang, H Jia, X Hou, X Li… - Optical Materials …, 2021 - opg.optica.org
Crystal-phase control and crystalline quality improvement of GaAs nanowires (NWs) have
been realized by dopant (Be) incorporation in GaAs NWs. We demonstrate the improvement …

Nucleation features and energy levels of type-II InAsSbP quantum dots grown on InAs (100) substrate

KM Gambaryan, VM Aroutiounian… - Applied Physics …, 2012 - pubs.aip.org
The nucleation features and measurements of holes energy levels of the InAsSbP type-II
quantum dots (QDs) with respect to the InAs valence band edge by employing …