Nanosecond Carrier Lifetime of Hexagonal Ge

VT van Lange, A Dijkstra, EMT Fadaly… - ACS …, 2024 - ACS Publications
Hexagonal Si1–x Ge x with suitable alloy composition promises to become a new silicon
compatible direct bandgap family of semiconductors. Theoretical calculations, however …

GaAs/GaInP nanowire solar cell on Si with state-of-the-art V oc and quasi-Fermi level splitting

C Tong, A Delamarre, R De Lépinau, A Scaccabarozzi… - Nanoscale, 2022 - pubs.rsc.org
With their unique structural, optical and electrical properties, III–V nanowires (NWs) are an
extremely attractive option for the direct growth of III–Vs on Si for tandem solar cell …

Quantitative Assessment of Carrier Density by Cathodoluminescence. I. Thin Films and Modeling

HL Chen, A Scaccabarozzi, R De Lépinau, F Oehler… - Physical Review …, 2021 - APS
Doping is a fundamental property of semiconductors and constitutes the basis of modern
microelectronic and optoelectronic devices. Their miniaturization requires contactless …

Cathodoluminescence mapping of electron concentration in MBE-grown GaAs: Te nanowires

C Tong, T Bidaud, E Koivusalo, MR Piton… - …, 2022 - iopscience.iop.org
Cathodoluminescence mapping is used as a contactless method to probe the electron
concentration gradient of Te-doped GaAs nanowires. The room temperature and low …

GaAs-on-Si solar cells based on nanowire arrays grown by molecular beam epitaxy

R De Lépinau - 2020 - theses.hal.science
Nanowires (NW) epitaxially grown on Si substrate are efficient light absorbers and allow to
integrate high-quality III-V materials on Si by preventing defects induced by the lattice …

Direct growth of III-V nanowire-based top cell for tandem on Silicon

R de Lépinau, C Tong, A Scaccabarozzi… - 2020 47th IEEE …, 2020 - ieeexplore.ieee.org
We grow and characterize solar cells based on Ga-catalyzed GaAs NWs radial pin
homojunctions grown by Molecular Beam Epitaxy onto inactive p-type Si (111) substrates …