Dislocation-Free SiGe/Si Heterostructures

F Montalenti, F Rovaris, R Bergamaschini, L Miglio… - Crystals, 2018 - mdpi.com
Ge vertical heterostructures grown on deeply-patterned Si (001) were first obtained in 2012
(CV Falub et al., Science 2012, 335, 1330–1334), immediately capturing attention due to the …

Enhancement of the efficiency of ultra-thin CIGS/Si structure for solar cell applications

M Boubakeur, A Aissat, MB Arbia, H Maaref… - Superlattices and …, 2020 - Elsevier
This paper describes a numerical study of ultrathin CIGS solar cell using the one-
dimensional simulation program. The various properties of the absorber layer such as the …

Competition between kinetics and thermodynamics during the growth of faceted crystal by phase field modeling

M Albani, R Bergamaschini, M Salvalaglio… - … status solidi (b), 2019 - Wiley Online Library
The faceting of a growing crystal is theoretically investigated by a continuum model
including the incorporation kinetics of adatoms. This allows us for predictions beyond a …

[HTML][HTML] Selective area heteroepitaxy of low dislocation density antiphase boundary free GaAs microridges on flat-bottom (001) Si for integrated silicon photonics

B Shi, B Song, AA Taylor, SS Brunelli… - Applied Physics …, 2021 - pubs.aip.org
Integrating III–V gain elements in the silicon photonics platform via selective area
heteroepitaxy (SAH) would enable large-scale and low-cost photonic integrated circuits …

[HTML][HTML] GaAs/Ge/Si epitaxial substrates: Development and characteristics

Y Buzynin, V Shengurov, B Zvonkov, A Buzynin… - AIP Advances, 2017 - pubs.aip.org
We developed high quality 2-inch GaAs/Ge/Si (100) epitaxial substrates, which may be used
instead of GaAs monolithic substrates for fabrication of solar cells, photodetectors, LEDs …

[HTML][HTML] Phonon transport across GaAs/Ge heterojunctions by nonequilibrium molecular dynamics

T Albrigi, R Rurali - Applied Physics Letters, 2024 - pubs.aip.org
Interfaces are ubiquitous in modern electronics and assessing their properties is crucial
when it comes to device reliability. Here, we present nonequilibrium molecular dynamics …

Faceting of Si and Ge crystals grown on deeply patterned Si substrates in the kinetic regime: phase-field modelling and experiments

M Albani, R Bergamaschini, A Barzaghi… - Scientific Reports, 2021 - nature.com
The development of three-dimensional architectures in semiconductor technology is paving
the way to new device concepts for various applications, from quantum computing to single …

[HTML][HTML] Growth and coalescence of 3C-SiC on Si (111) micro-pillars by a phase-field approach

M Masullo, R Bergamaschini, M Albani, T Kreiliger… - Materials, 2019 - mdpi.com
3C-SiC is a promising material for low-voltage power electronic devices but its growth is still
challenging. Heteroepitaxy of 3C-SiC on Si micrometer-sized pillars is regarded as a viable …

Bi-modal nanoheteroepitaxy of GaAs on Si by metal organic vapor phase epitaxy

I Prieto, R Kozak, O Skibitzki, MD Rossell… - …, 2017 - iopscience.iop.org
Nano-heteroepitaxial growth of GaAs on Si (001) by metal organic vapor phase epitaxy was
investigated to study emerging materials phenomena on the nano-scale of III–V/Si …

Facets evolution of selected area grown GaAs in circular windows on Ge-on-Si and Ge substrates

Z Chen, B Wang, Y Han, X Cai, S Yu - Applied Physics Letters, 2024 - pubs.aip.org
We report the epitaxial growth of GaAs on Ge buffers on Si (001) substrates covered by SiO
2 masks patterned with 3 μm diameter circular windows by metalorganic chemical vapor …