Wafer-Scale Porous Germanium Bilayer Structure Formation by Fast Bipolar Electrochemical Etching

L Mouchel, B Ilahi, J Cho, K Dessein, A Boucherif - Thin Solid Films, 2024 - Elsevier
Abstract Recently, porous Germanium (PGe) structures have gained significant attention as
a promising engineering material for a broad range of applications due to the versatility of its …

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 …

Potential monitoring during Ge electrochemical etching: Towards tunable double porosity layers

T Hanuš, L Mouchel, B Ilahi, A Dupuy, J Cho… - Electrochimica …, 2024 - Elsevier
Abstract Porous Germanium (PGe) has emerged as a promising material for applications
such as substrate engineering, sensing, and energy storage, thanks to its uniquely versatile …

Anisotropic mesoporous germanium nanostructures by fast bipolar electrochemical etching

A Dupuy, MR Aziziyan, D Machon, R Arès… - Electrochimica Acta, 2021 - Elsevier
Mesoporous germanium has received lately a growing interest in many fields. However, the
lack of flexibility and knowledge concerning its electrochemical etching remains important. In …

Porous germanium multilayers

E Garralaga Rojas, J Hensen, J Carstensen… - … status solidi c, 2011 - Wiley Online Library
We present the reproducible fabrication of porous germanium (PGe) single‐and multilayers.
Mesoporous layers form on heavily doped 4” p‐type Ge wafers by electrochemical etching in …

Formation and optimization of mesoporous germanium by bipolar electrochemical etching

YA Bioud, A Boucherif, S Fafard, V Aimez… - Inter. Conf. Si Epi …, 2015 - csstc2015.ca
In this work, we have systematically studied the influence of the etching parameters such as:
current density, electrolyte concentration, anodic/cathodic pulse duration, pore initiation on p …

Fast growth synthesis of mesoporous germanium films by high frequency bipolar electrochemical etching

YA Bioud, A Boucherif, A Belarouci, E Paradis… - Electrochimica …, 2017 - Elsevier
Mesoporous germanium (MP-Ge) has been predicted to play an important role in a wide
range of potential applications. These porous Ge networks are characterized by physical …

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 …

Formation of mesoporous germanium double layers by electrochemical etching for layer transfer processes

EG Rojas, B Terheiden, H Plagwitz, J Hensen… - Electrochemistry …, 2010 - Elsevier
We produce uniform mesoporous single-and multilayers on 4in. p-type Ge wafers by means
of electrochemical etching in highly concentrated HF-based electrolytes. Pore formation by …

[PDF][PDF] Mesoporous Germanium Layer Formation by Electrochemical Etching

EJ Garralaga Rojas - 2010 - macau.uni-kiel.de
Weight reduction of multi-junction III-V semiconductor solar cells is an important budget
issue for space applications. Typically, space solar cells are epitaxially formed on a Ge or …