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 …

Growth kinetics and morphological analysis of homoepitaxial GaAs fins by theory and experiment

M Albani, L Ghisalberti, R Bergamaschini, M Friedl… - Physical Review …, 2018 - APS
Nanoscale membranes have emerged as a new class of vertical nanostructures that enable
the integration of horizontal networks of III-V nanowires on a chip. To generalize this method …

Effect of texture on 4H–SiC substrate surface on film growth: A molecular dynamics study

L Xue, G Feng, G Wu, B Gao, R Li, S Liu - Vacuum, 2023 - Elsevier
An investigation is conducted in this paper of the effect of different textured substrates on the
growth of film. Meanwhile, a comparison of film quality with that of non-textured substrate is …

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 …

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 …

Equilibrium crystal shape of GaAs and InAs considering surface vibration and new (111) B reconstruction: ab-initio thermodynamics

IW Yeu, G Han, J Park, CS Hwang, JH Choi - Scientific Reports, 2019 - nature.com
This work reports on the theoretical equilibrium crystal shapes of GaAs and InAs as a
function of temperature and pressure, taking into account the contribution of the surface …

Crystal Structure and Surface Morphology of GaN Thin Films Grown on Different Patterned AlN Substrate Surfaces

S Mao, T Gao, L Li, Y Gao, Z Zhang… - Crystal Growth & …, 2024 - ACS Publications
Gallium nitride (GaN) is frequently used as the primary material for manufacturing high-
brightness light-emitting diodes (LEDs). Recently, atomic layer deposition has become …

Selective area epitaxy of GaAs/Ge/Si nanomembranes: a morphological study

M Bollani, A Fedorov, M Albani, S Bietti… - Crystals, 2020 - mdpi.com
We demonstrate the feasibility of growing GaAs nanomembranes on a plastically-relaxed Ge
layer deposited on Si (111) by exploiting selective area epitaxy in MBE. Our results are …

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 …

Broadband control of the optical properties of semiconductors through site-controlled self-assembly of microcrystals

J Pedrini, P Biagioni, A Ballabio, A Barzaghi… - Optics …, 2020 - opg.optica.org
We investigate light-matter interactions in periodic silicon microcrystals fabricated combining
top-down and bottom-up strategies. The morphology of the microcrystals, their periodic …