6 papers
Growth and characterization of planar hexagonal Ge on CdS
Andrea Besana, Veronica Regazzoni, Marco Faverzani +13
Hexagonal group-IV semiconductors have attracted increasing interest owing to their unconventional electronic and optical properties compared to the cubic diamond phase. However, t…
Resolving the Metastable Si-XIII Structure through Convergent Theory and Experiment
Fabrizio Rovaris, Corrado Bongiorno, Anna Marzegalli +10
Silicon is the undisputed cornerstone of modern technology, with applications ranging from micro- and opto-electronics to quantum technologies. Recently, the exploration of its all…
Electronic States, Spin-Orbit Coupling and Magnetism in Germanium 60° Dislocations
Veronica Regazzoni, Fabrizio Rovaris, Anna Marzegalli +2
Defects in semiconductors have recently attracted renewed interest owing to their potential in novel quantum applications. Here we investigate the electronic and magnetic propertie…
Cross-hatch strain effects on SiGe quantum dots for qubit variability estimation
Luis Fabián Peña, Mitchell I. Brickson, Fabrizio Rovaris +11
SiGe heterostructures integrated with Si via virtual substrate (VS) growth are promising hosts for spin qubits. While VS growth targets plastic relaxation, residual cross-hatch str…
Self-ion irradiation effects on nanoindentation-induced plasticity of crystalline iron: A joint experimental and computational study
K. Mulewska, F. Rovaris, F. J. Dominguez-Gutierrez +7
In this paper, experimental work is supported by multi-scale numerical modeling to investigate nanomechanical response of pristine and ion irradiated with Fe2+ ions with energy 5 M…
Formation of Micrometer-Sized Textured Hexagonal Silicon Crystals via Nanoindentation
Mouad Bikerouin, Anna Marzegalli, Davide Spirito +10
We present a comprehensive study on the formation of micrometer-sized, textured hexagonal diamond silicon (hd-Si) crystals via nanoindentation followed by annealing. Utilizing adva…