[HTML][HTML] Wafer-scale Ge freestanding membranes for lightweight and flexible optoelectronics

T Hanuš, B Ilahi, A Chapotot, H Pelletier, J Cho… - Materials Today …, 2023 - Elsevier
Semiconductor-based freestanding membranes (FSM) have recently emerged as a highly
promising area of advanced materials research. Their unique properties, such as lightweight …

Large‐Scale Formation of Uniform Porous Ge Nanostructures with Tunable Physical Properties

T Hanuš, J Arias‐Zapata, B Ilahi… - Advanced Materials …, 2023 - Wiley Online Library
Porous germanium (PGe) nanostructures attract a lot of attention for various emerging
applications due to their unique properties. Consequently, there is an increasing need for …

III-V material growth on electrochemically porosified Ge substrates

E Winter, W Schreiber, P Schygulla, PL Souza… - Journal of Crystal …, 2023 - Elsevier
III-V semiconductor materials for high-efficiency multi-junction solar cells are often grown on
germanium (Ge) substrates. However, apart from being considered as a rare element, Ge …

Achieving porous germanium from both p-and n-type epitaxial Ge-on-Si via bipolar potentiostatic etching

Y Zhu, Y Zhang, B Li, GM Xia, RT Wen - Electrochimica Acta, 2023 - Elsevier
Due to the large surface specific area, tunable porosity and refractive index, porous
germanium (Ge) has wide applications in optoelectronics, photovoltaics, anode materials in …

The effect of passivation to etching duration ratio on bipolar electrochemical etching of porous layer stacks in germanium

W Schreiber, T Liu, S Janz - Journal of Physics and Chemistry of Solids, 2023 - Elsevier
The effect of the passivation to etching duration ratio on the bipolar electrochemical etching
of highly p-doped germanium on its pore structures has been investigated. The final goal is …

Detection of germanium isotopes in biosynthesized Ge nanocrystals through different optical spectroscopy techniques

DK Golhani, A Khare, BG Krishna - Materials Today: Proceedings, 2023 - Elsevier
The current work aims to investigate the isotopic effect in biosynthesized Germanium
nanocrystals (Ge NCs) through Raman and IR absorption spectra. By treating bulk …

III-V Epitaxy on Detachable Porous Germanium 4” Substrates

W Schreiber, J Ohlmann, P Schygulla… - 2023 IEEE 50th …, 2023 - ieeexplore.ieee.org
Porous germanium multiple layer stacks were prepared using bipolar electrochemical
etching. In dependance of the porosity within the individual porous layers they can be used …

[PDF][PDF] Materials Today Advances

T Hanuš, B Ilahi, A Chapotot, H Pelletier, J Cho… - 2023 - researchgate.net
abstract Semiconductor-based freestanding membranes (FSM) have recently emerged as a
highly promising area of advanced materials research. Their unique properties, such as …