Epitaxial lattice-matched AlScN/GaN distributed Bragg reflectors

L van Deurzen, TS Nguyen, J Casamento… - Applied Physics …, 2023 - pubs.aip.org
We demonstrate epitaxial lattice-matched Al 0.89 Sc 0.11 N/GaN 10 and 20 period
distributed Bragg reflectors (DBRs) grown on c-plane bulk n-type GaN substrates by plasma …

Pulsed E-/D-mode switchable GaN HEMTs with a ferroelectric AlScN gate dielectric

JY Yang, SY Oh, MJ Yeom, S Kim, G Lee… - IEEE Electron …, 2023 - ieeexplore.ieee.org
In this study, we demonstrate ferroelectric GaN high-electron mobility transistors (HEMTs)
with a sputtered AlScN gate dielectric, exhibiting a large memory window of~ 14.6 V and a …

Performance characterization of Ferroelectric GaN HEMT based biosensor

N Topno, V Hemaja, DK Panda, DK Dash… - Microsystem …, 2024 - Springer
In this manuscript detection of biomolecules has been performed using both the dielectric
modulation method as well as gate work function engineering technique for the proposed …

Ferroelectric AlBN films by molecular beam epitaxy

C Savant, V Gund, K Nomoto, T Maeda… - Applied Physics …, 2024 - pubs.aip.org
We report the properties of molecular beam epitaxy deposited AlBN thin films on a recently
developed epitaxial nitride metal electrode, Nb 2 N. While a control AlN thin film exhibits …

Theoretical limits of the matching bandwidth and output power of AlScN-based hemts

P Döring, S Krause, C Friesicke… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this work, the simultaneously achievable matching bandwidth and output power of AlScN-
based high electron mobility transistors (HEMTs) are derived and compared to conventional …

Nanoscale Engineering of Wurtzite Ferroelectrics: Unveiling Phase Transition and Ferroelectric Switching in ScAlN Nanowires

D Wang, P Wang, S Mondal, M Hu, Y Wu… - ACS Applied Nano …, 2024 - ACS Publications
The pursuit of extreme device miniaturization and the exploration of associated physical
phenomena has spurred significant interest in crystallographic phase control and …

E-mode AlGaN/GaN HEMT with ScAlN/ScN charge trap-coupled ferroelectric gate stacks

J Liu, D Wang, MT Hasan, S Mondal, J Manassa… - Applied Physics …, 2025 - pubs.aip.org
A fully epitaxial ferroelectric ScAlN/AlGaN/GaN HEMT coupled with an ultrathin ScN charge
trap layer for enhancement-mode operation is demonstrated. The ultrathin ScN acts as an …

Effect of temperature on the performance of ScAlN/GaN high-electron mobility transistor

MT Hasan, J Liu, D Wang, S Mondal… - Applied Physics …, 2024 - pubs.aip.org
We have studied the operation of the ScAlN/GaN high-electron mobility transistor (HEMT) at
high temperatures up to 700 K (423 C). A maximum drain current density of∼ 2 A/mm and …

AlScN High Electron Mobility Transistors: Integrating High Piezoelectric, High K Dielectric, and Ferroelectric Functionality

J Casamento, K Nomoto, TS Nguyen… - 2023 IEEE BiCMOS …, 2023 - ieeexplore.ieee.org
This paper presents an overview of the promising physical properties of the aluminum
scandium nitride (AlScN) ternary alloy system and its integration in radiofrequency …

A novel reconfigurable RF switch based on ferroelectric hafnium oxide FeFET fabricated in 22 nm FDSOI technology

S Abdulazhanov, DK Huynh, QH Le… - 2023 18th European …, 2023 - ieeexplore.ieee.org
This paper presents a novel type of ferroelectric field effect transistor (FeFET)-based RF
switch with multiple finger structure fabricated in 22~nm FDSOI technology. The ability to …