Strain, stress, and mechanical relaxation in fin-patterned Si/SiGe multilayers for sub-7 nm nanosheet gate-all-around device technology

S Reboh, R Coquand, S Barraud, N Loubet… - Applied Physics …, 2018 - pubs.aip.org
Pre-strained fin-patterned Si/SiGe multilayer structures for sub-7 nm stacked gate-all-around
Si-technology transistors that have been grown onto bulk-Si, virtually relaxed SiGe, strained …

Investigation of the InAs/GaAs quantum dots' size: dependence on the strain reducing layer's position

M Souaf, M Baira, O Nasr, MH Hadj Alouane, H Maaref… - Materials, 2015 - mdpi.com
This work reports on theoretical and experimental investigation of the impact of InAs
quantum dots (QDs) position with respect to InGaAs strain reducing layer (SRL). The …

Compositional accuracy in atom probe tomography analyses performed on III-N light emitting diodes

E Di Russo, N Cherkashin, M Korytov… - Journal of Applied …, 2019 - pubs.aip.org
Laser-assisted atom probe tomography (APT) and high-resolution dark-field electron
holography (HR-DFEH) were performed to investigate the composition of a polar [0001] …

Electron microscopy by specimen design: application to strain measurements

N Cherkashin, T Denneulin, MJ Hÿtch - Scientific reports, 2017 - nature.com
A bewildering number of techniques have been developed for transmission electron
microscopy (TEM), involving the use of ever more complex combinations of lens …

Quantitative analysis of the interplay between InAs quantum dots and wetting layer during the GaAs capping process

D González, V Braza, AD Utrilla, A Gonzalo… - …, 2017 - iopscience.iop.org
A procedure to quantitatively analyse the relationship between the wetting layer (WL) and
the quantum dots (QDs) as a whole in a statistical way is proposed. As we will show in the …

Quantitative strain analysis of InAs/GaAs quantum dot materials

PE Vullum, M Nord, M Vatanparast, SF Thomassen… - Scientific reports, 2017 - nature.com
Geometric phase analysis has been applied to high resolution aberration corrected
(scanning) transmission electron microscopy images of InAs/GaAs quantum dot (QD) …

Reconstruction of nuclear quadrupole interaction in (In, Ga) As/GaAs quantum dots observed by transmission electron microscopy

PS Sokolov, MY Petrov, T Mehrtens, K Müller-Caspary… - Physical Review B, 2016 - APS
A microscopic study of the individual annealed (In, Ga) As/GaAs quantum dots is done by
means of high-resolution transmission electron microscopy. The Cauchy-Green strain-tensor …

Atomic-Scale Multimodal Characterization of Self-Assembled InAs/InGaAlAs Quantum Dots

Y Yamaguchi, Y Inaba, R Arai, Y Kanitani… - The Journal of …, 2024 - ACS Publications
Self-assembled quantum dots (QDs) are potential candidates for photoelectric and
photovoltaic devices, because of their discrete energy levels. The characterization of QDs at …

Experimentally-Verified Modeling of InGaAs Quantum Dots

AN Kosarev, VV Chaldyshev, N Cherkashin - Nanomaterials, 2022 - mdpi.com
We develop a model of an epitaxial self-organized InGaAs quantum dot buried in GaAs,
which takes into account experimentally determined indium distribution inside the QD, its …

Room-temperature yellow-orange (In, Ga, Al) P–GaP laser diodes grown on (n11) GaAs substrates

NN Ledentsov, VA Shchukin, YM Shernyakov… - Optics express, 2018 - opg.optica.org
We report room temperature injection lasing in the yellow–orange spectral range (599–605
nm) in (Al_xGa_1–x) _0. 5In_0. 5P–GaAs diodes with 4 layers of tensile-strained In_yGa_1 …