Hexagonal-Ge Nanostructures with Direct-Bandgap Emissions in a Si-Based Light-Emitting Metasurface

N Zhang, J Yan, L Wang, J Zhang, Z Zhang, T Miao… - ACS …, 2023 - ACS Publications
Si-based emitters have been of great interest as an ideal light source for monolithic optical-
electronic integrated circuits (MOEICs) on Si substrates. However, the general Si-based …

Enhancing Short-Wave Infrared Photosensitivity of SiGe Nanocrystals-Based Films through Embedding Matrix-Induced Passivation, Stress, and Nanocrystallization

AM Lepadatu, I Stavarache, C Palade… - The Journal of …, 2024 - ACS Publications
The development of new materials for short-wavelength infrared (SWIR) optical sensors is of
high importance for the fast development of different applications, as, for example, Internet of …

Annealing Effects on the Charging–Discharging Mechanism in Trilayer Al2O3/Ge/Al2O3 Memory Structures

I Stavarache, C Palade, VA Maraloiu… - ACS Applied …, 2024 - ACS Publications
For the development of memory devices for the continuous advancement of IT engineering,
a good understanding of the charging–discharging mechanisms in nanocrystalline floating …

Enhancing emission in a QD–nanodisk system via the alignment of the orientation of excitons with the polarization of Mie modes

N Zhang, Y Hao, Y Yao, L Gao, T Miao, H Hu… - Applied Physics …, 2023 - pubs.aip.org
A Ge quantum dot (QD)–resonator system is an attractive solution for the Si-based emitter
applied in monolithic optical–electronic integrated circuits, in which efficient coupling of QDs …

Gate-voltage control of waveguide-coupled lateral Ge-on-Si APD for 1550 nm detection

Y Yao, L Zhang, J Yu, J Gao, C Huang… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
Si-based avalanche photodetector (APD) covering a wide spectral range is a critical
component of effective detection systems applied in optical communication, laser radar …

From Si nanowires to Ge nanocrystals for VIS-NIR-SWIR sensors and non-volatile memories: a review

AM Lepadatu, I Stavarache, C Palade, A Slav… - arXiv preprint arXiv …, 2022 - arxiv.org
Nanocrystalline Si and Ge are of high interest for integrated Si photonics related to light
emission, optical sensors, photodetectors, solar energy harvesting and conversion devices …

Unique hexagonal-Ge nanostructures with direct-bandgap emissions in Si-based light-emitting metasurface

N Zhang, J Yan, L Wang, J Zhang, Z Zhang, T Miao… - 2022 - researchsquare.com
Si-based emitters have been of great interest due to their potential as the ideal light source
for monolithic optical-electronic integrated circuits (MOEICs) on Si substrates. However, the …