Reconfigurable Field‐Effect Transistor Technology via Heterogeneous Integration of SiGe with Crystalline Al Contacts

A Fuchsberger, L Wind, M Sistani… - Advanced Electronic …, 2023 - Wiley Online Library
Reconfigurable field‐effect transistors, capable of being dynamically programmed during
run‐time, overcome the static nature of conventional complementary metal‐oxide …

[HTML][HTML] In situ TEM heating experiments on thin epitaxial GeSn layers: Modes of phase separation

K Martínez, A Minenkov, J Aberl, D Buca, M Brehm… - APL Materials, 2023 - pubs.aip.org
The thermal stability of GeSn epitaxial thin films was investigated via in situ transmission
electron microscopy (TEM). Samples were grown with a similar layer structure and 10 at …

Ge Epitaxy at Ultralow Growth Temperatures Enabled by a Pristine Growth Environment

C Wilflingseder, J Aberl… - ACS Applied …, 2024 - ACS Publications
Germanium (Ge), the next-in-line group-IV material, bears great potential to add functionality
and performance to next-generation nanoelectronics and solid-state quantum transport …

A Runtime Reconfigurable Ge Field-Effect Transistor With Symmetric On-States

A Fuchsberger, L Wind, D Nazzari… - IEEE Journal of the …, 2024 - ieeexplore.ieee.org
Here, we present a Ge based reconfigurable transistor, capable of dynamic run-time
switching between n-and p-type operation with enhanced performance compared to state-of …

[HTML][HTML] Light emission from ion-implanted SiGe quantum dots grown on Si substrates

L Spindlberger, J Aberl, L Vukušić, T Fromherz… - Materials Science in …, 2024 - Elsevier
We report on electroluminescence spectroscopy experiments demonstrating room-
temperature light emission from heavily alloyed SiGe quantum dots, for which the light …

[HTML][HTML] Si/Ge1− xSnx/Si Transistors with highly transparent Al contacts

L Wind, S Preiß, D Nazzari, J Aberl, EP Navarrete… - Solid-State …, 2025 - Elsevier
We study the monolithic quasi-ohmic contact formation with single-elementary Al to Ge 1− x
Sn x channel devices with various Sn concentrations between 0.5% and 4%. Thereby we …

[HTML][HTML] Temperature-dependent electronic transport in reconfigurable transistors based on Ge on SOI and strained SOI platforms

A Fuchsberger, L Wind, D Nazzari, J Aberl… - Solid-State …, 2025 - Elsevier
Integrating Ge onto SOI should enhance the drive currents and switching speeds of
transistors. However, Ge on insulator platforms have fallen short of providing these benefits …

[PDF][PDF] Si/Ge1− 𝑥Sn𝑥/Si transistors with highly transparent Al contacts

L Wind, S Preiß, D Nazzari, J Aberl… - Solid-State …, 2025 - researchgate.net
We study the monolithic quasi-ohmic contact formation with single-elementary Al to Ge1−
𝑥Sn𝑥 channel devices with various Sn concentrations between 0. 5% and 4%. Thereby we …

Growth of SiGe, GeSn and Si: C alloys grown by Molecular Beam Epitaxy at Ultra-Low Temperatures/Author Enrique Prado Navarrete

E Prado Navarrete - 2023 - epub.jku.at
Over the recent decades, heteroepitaxial layers comprising crystalline stacks of Group-IV
alloys, predominantly SiGe, have been employed to enhance the operational efficiency of …

Ultrathin Germanium and Silicon-Germanium Nanosheet Transistors for Runtime Reconfigurable Electronics

WM Weber, L Wind, A Fuchsberger… - 2023 IEEE …, 2023 - ieeexplore.ieee.org
Reconfigurable field effect transistors (RFET) merge the functionality of p-and n-type field
effect transistors at runtime upon the application of a dedicated control voltage. More …