Complex dewetting scenarios of ultrathin silicon films for large-scale nanoarchitectures
M Naffouti, R Backofen, M Salvalaglio, T Bottein… - Science …, 2017 - science.org
Dewetting is a ubiquitous phenomenon in nature; many different thin films of organic and
inorganic substances (such as liquids, polymers, metals, and semiconductors) share this …
inorganic substances (such as liquids, polymers, metals, and semiconductors) share this …
Dislocation-Free SiGe/Si Heterostructures
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 …
(CV Falub et al., Science 2012, 335, 1330–1334), immediately capturing attention due to the …
Defect free strain relaxation of microcrystals on mesoporous patterned silicon
A perfectly compliant substrate would allow the monolithic integration of high-quality
semiconductor materials such as Ge and III-V on Silicon (Si) substrate, enabling novel …
semiconductor materials such as Ge and III-V on Silicon (Si) substrate, enabling novel …
Convexity splitting in a phase field model for surface diffusion
Convexity splitting like schemes with improved accuracy are proposed for a phase field
model for surface diffusion. The schemes are developed to enable large scale simulations in …
model for surface diffusion. The schemes are developed to enable large scale simulations in …
Morphological evolution of pit-patterned Si (001) substrates driven by surface-energy reduction
Lateral ordering of heteroepitaxial islands can be conveniently achieved by suitable pit-
patterning of the substrate prior to deposition. Controlling shape, orientation, and size of the …
patterning of the substrate prior to deposition. Controlling shape, orientation, and size of the …
Doubly degenerate diffuse interface models of surface diffusion
We discuss two doubly degenerate Cahn–Hilliard (DDCH) models for isotropic surface
diffusion. Degeneracy is introduced in both the mobility function and a restriction function …
diffusion. Degeneracy is introduced in both the mobility function and a restriction function …
Fabrication of hollow gold nanoparticles by dewetting, dealloying and coarsening
A sequence of diffusion-controlled processes, namely, thin film dewetting, dealloying and
thermal coarsening was employed for producing of hollow gold nanoparticles. The porous …
thermal coarsening was employed for producing of hollow gold nanoparticles. The porous …
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 …
the way to new device concepts for various applications, from quantum computing to single …
Thin-film growth dynamics with shadowing effects by a phase-field approach
Shadowing effects during the growth of nano-and microstructures are crucial for the
realization of several technological applications. They are given by the shielding of the …
realization of several technological applications. They are given by the shielding of the …
Phase-field simulations of faceted Ge/Si-crystal arrays, merging into a suspended film
We simulate the morphological evolution of Ge microcrystals, grown out-of-equilibrium on
deeply patterned Si substrates, as resulting from surface diffusion driven by the tendency …
deeply patterned Si substrates, as resulting from surface diffusion driven by the tendency …