Investigation of the interface state characteristics of the Al/Al2O3/Ge/p-Si heterostructure over a wide frequency range by capacitance and conductance measurements

B Akın, M Ulusoy, SA Yerişkin - Materials Science in Semiconductor …, 2024 - Elsevier
Abstract In this work, Al/Al 2 O 3/Ge/p-Si heterostructures were fabricated by e-beam thermal
evaporation. The EDX (energy dispersive X-ray spectroscopy) map visually obtained the …

Trapping effects in the transient response of AlGaN/GaN HEMT devices

JM Tirado, JL Sanchez-Rojas… - IEEE Transactions on …, 2007 - ieeexplore.ieee.org
In this paper, the transient analysis of an AlGaN/GaN high-electron mobility transistor
(HEMT) device is presented. Drain-current dispersion effects are investigated when gate or …

Electro-thermal modeling of multifinger AlGaN/GaN HEMT device operation including thermal substrate effects

ER Heller, A Crespo - Microelectronics Reliability, 2008 - Elsevier
AlGaN/GaN high electron mobility transistor (HEMT) device operation was modeled from the
sub-micrometer scale to the substrate using a combination of an electro-thermal device …

Quantitative characterization of interface traps in Al2O3/AlGaN/GaN metal-oxide-semiconductor high-electron-mobility transistors by dynamic capacitance dispersion …

XH Ma, JJ Zhu, XY Liao, T Yue, WW Chen… - Applied Physics …, 2013 - pubs.aip.org
In this letter, the interface traps of Al2O3/AlGaN/GaN metal-oxide-semiconductor high-
electronmobility transistors (MOS-HEMTs) were characterized quantitatively by dynamic …

Thermal model for dc characteristics of algan/gan hemts including self-heating effect and non-linear polarization

MK Chattopadhyay, S Tokekar - Microelectronics Journal, 2008 - Elsevier
A thermal model based on the polynomial relationship of ns and EF is presented. The effect
of temperature rise due to self-heating is studied on various parameters viz. polarization …

A comparison electrical characteristics of the Au/(pure-PVA)/n-Si and Au/(CdTe doped-PVA)/n-Si (MPS) type Schottky structures using I–V and C–V measurements

ÇŞ Güçlü, M Ulusoy, Ş Altındal - Journal of Materials Science: Materials in …, 2024 - Springer
In this study, both the Au/(pure-PVA)/n-Si (MPS-1) and Au/(CdTe: PVA)/n-Si (MPS-2) type
Schottky diodes (SDs) were fabricated onto the same n-Si wafer in same conditions. After …

[HTML][HTML] Electrical characterization of traps in AlGaN/GaN FAT-HEMT's on silicon substrate by CV and DLTS measurements

M Charfeddine, M Gassoumi, H Mosbahi… - Journal of Modern …, 2011 - scirp.org
We investigate high electron mobility transistors (HEMT's) based on AlGaN/GaN grown by
molecular beam epitaxy on Silicon substrates. The improvement of the performances of such …

[HTML][HTML] Investigation of traps in AlGaN/GaN high electron mobility transistors by sub-bandgap optical pumping

TS Kang, F Ren, BP Gila, SJ Pearton… - Journal of Vacuum …, 2015 - pubs.aip.org
Sub-bandgap optical pumping with wavelengths of 671, 532, or 447 nm was employed to
study traps in AlGaN/GaN high electron mobility transistors. The trap energies were …

Investigation of SiNx and AlN Passivation for AlGaN/GaN High-Electron-Mobility Transistors: Role of Interface Traps and Polarization Charges

S Yang, Z Tang, M Hua, Z Zhang, J Wei… - IEEE Journal of the …, 2020 - ieeexplore.ieee.org
In this work, we studied the mechanisms and switching properties of AlGaN/GaN high-
electron-mobility-transistors (HEMTs) passivated by amorphous-SiN x and monocrystal-like …

Trap characterization in AlGaN/GaN HEMT by analyzing frequency dispersion in capacitance and conductance

L Semra, A Telia, A Soltani - Surface and Interface Analysis, 2010 - Wiley Online Library
An analysis of frequency dispersion in capacitance and conductance of gate‐source contact
of AlGaN/GaN HEMT was performed. Capacitance and conductance were measured at …