Conduction Band Resonant State Absorption for Quantum Dot Infrared Detectors Operating at Room Temperature

S Vichi, S Asahi, S Bietti, A Tuktamyshev… - ACS …, 2024 - ACS Publications
Long wavelength infrared devices, despite growing interest due to a wide range of
applications in commercial, public, and academic sectors, are still struggling to achieve …

Bismuth surfactant-enhanced III-As epitaxy on GaAs (111) A

AM Hassanen, J Herranz, L Geelhaar… - Semiconductor …, 2023 - iopscience.iop.org
Quantum dot (QD) growth on high ($ c_ {3v} $) symmetry GaAs {111} surfaces holds promise
for efficient entangled photon sources. Unfortunately, homoepitaxy on GaAs {111} surfaces …

Molecular Beam Epitaxy Growth of Atomically Flat GaAs(111)A by As2

A Tuktamyshev, S Vichi, S Bietti, A Fedorov… - Crystal Growth & …, 2024 - ACS Publications
We analyzed the growth dynamics during the heteroepitaxy on a GaAs (111) A surface
under an As2 flux. The growth is significantly influenced by the Ehrlich–Schwöbel effect …

Local droplet etching of a vicinal InGaAs (111) A metamorphic layer

A Tuktamyshev, D Lambardi, S Vichi, F Cesura… - Applied Surface …, 2024 - Elsevier
We demonstrated nanopit formation by Ga-assisted local droplet etching technique in
InGaAs metamorphic layers grown on vicinal GaAs (111) A substrates. We studied nanopit …

Growth Mechanisms of GaN/GaAs Nanostructures by Droplet Epitaxy Explained by Complementary Experiments and Simulations

G Tsamo, AG Nastovjak, NL Shwartz… - The Journal of …, 2024 - ACS Publications
In this work, we present the conception and study of gallium nitride (GaN) nanostructures on
a gallium arsenide (GaAs) substrate with (111) A orientation. The nanostructures were …

Droplet free self-assembling of high density nanoholes on GaAs (100) via thermal drilling

F Cesura, S Vichi, A Tuktamyshev, S Bietti… - Journal of Crystal …, 2024 - Elsevier
Dense arrays of self-assembled nanoholes are fabricated in GaAs (100) surfaces by As-free
oxide cleaning thermal process. The formation of pit-like structures above 500° C occurs by …

Effects of In composition on the surface morphology of self-assembled In x Ga1− x Sb/GaAs quantum dots

T Kawazu - Japanese Journal of Applied Physics, 2022 - iopscience.iop.org
We investigate the influence of the In composition x on the surface morphology of In x Ga 1−
x Sb quantum dots (QDs) grown by molecular beam epitaxy. In x Ga 1− x Sb QDs are …

Optically controlled dual-band quantum dot infrared photodetector

S Vichi, S Bietti, FB Basset… - Nanomaterials and …, 2022 - journals.sagepub.com
We present the design for a novel type of dual-band photodetector in the thermal infrared
spectral range, the Optically Controlled Dual-band quantum dot Infrared Photodetector …

[引用][C] Surfactant-Enhanced Gallium Arsenide (111) Epitaxial Growth for Quantum Photonics

A Hassanen - 2021