3 papers
cond-mat.mtrl-sci2025
Micro-crystal GaAs array sub-cells for Si tandem solar cells
James P. Connolly, Ahmed Nejim, Alexandre Jaffré +9
This work reports optical and electronic numerical modelling of a novel emerging structure which is the GaAs nanocrystal on Si tandem solar cell by epitaxial lateral overgrowth, a…
cond-mat.mtrl-sci2025
Electric-field-assisted phase switching for crystal phase quantum dot fabrication in GaAs nanowires
Qiang Yu, Khakimjon Saidov, Ivan Erofeev +7
The occurrence of several crystal phases within nanostructures of a single material presents both challenges and opportunities. While unintended phase mixing can degrade optoelectr…
cond-mat.mes-hall2025
Optical absorption in hexagonal-diamond Si and Ge nanowires: insights from STEM-EELS experiments and ab initio theory
Luiz H. G. Tizei, Michele Re Fiorentin, Thomas Dursap +6
Hexagonal-diamond (2H) group IV nanowires are key for advancing group IV-based lasers, quantum electronics, and photonics. Understanding their dielectric response is crucial for pe…