Electrical characteristics and photodetection mechanism of TiO 2/AlGaN/GaN heterostructure-based ultraviolet detectors with a Schottky junction

T Zhan, J Sun, T Feng, Y Zhang, B Zhou… - Journal of Materials …, 2023 - pubs.rsc.org
Recent research focusing on wide-bandgap and two-dimensional materials with a Schottky
junction has provided a new concept for ultraviolet photodetectors. However, the working …

Conduction mechanism of leakage current due to the traps in ZrO2 thin film

Y Seo, S Lee, I An, C Song… - … science and technology, 2009 - iopscience.iop.org
In this work, a metal-oxide-semiconductor capacitor with zirconium oxide (ZrO 2) gate
dielectric was fabricated by an atomic layer deposition (ALD) technique and the leakage …

Impact of titanium addition on film characteristics of HfO2 gate dielectrics deposited by atomic layer deposition

DH Triyoso, RI Hegde, S Zollner, ME Ramon… - Journal of applied …, 2005 - pubs.aip.org
The impact of 8-to 45-at.% Ti on physical and electrical characteristics of atomic-layer-
deposited and annealed hafnium dioxide was studied using vacuum-ultraviolet …

Charge trapping at deep states in Hf–Silicate based high-κ gate dielectrics

NA Chowdhury, D Misra - Journal of The Electrochemical Society, 2006 - iopscience.iop.org
We have observed charge trapping during constant voltage stress in Hf-based high-κ
dielectrics at deep traps as well as at the shallow traps. and leakage current dependence on …

Tailoring the Electrical Properties of HfO2 MOS-Devices by Aluminum Doping

A Paskaleva, M Rommel, A Hutzler… - … applied materials & …, 2015 - ACS Publications
In this work dielectric and electrical properties of Al-doped HfO2 layers deposited by plasma-
enhanced atomic layer deposition in dependence on the thickness and the added Al amount …

Electronic excitation induced defect dynamics in HfO2 based MOS devices investigated by in-situ electrical measurements

N Manikanthababu, S Vajandar, N Arun… - Applied Physics …, 2018 - pubs.aip.org
In-situ IV and CV characterization studies were carried out to determine the device quality of
atomic layer deposited HfO 2 (2.7 nm)/SiO 2 (0.6 nm)/Si-based metal oxide semiconductor …

Comparative passivation effect of ALD-driven HfO 2 and Al 2 O 3 buffer layers on the interface chemistry and electrical characteristics of Dy-based gate dielectrics

D Wang, G He, L Hao, J Gao, M Zhang - Journal of Materials Chemistry …, 2019 - pubs.rsc.org
Herein, a comparative study of the effects of atomic-layer-deposited (ALD) HfO2 and Al2O3
interfacial passivation layers (IPL) on the sputtering-derived HfDyOx (HDO)/Si gate stack has …

Radiation tolerance, charge trapping, and defect dynamics studies of ALD-grown Al/HfO2/Si nMOSCAPs

N Manikanthababu, T Basu, S Vajandar… - Journal of Materials …, 2020 - Springer
The radiation response, long-term performance, and reliability of HfO 2-based gate dielectric
materials play a critical role in metal oxide semiconductor (MOS) technology for space …

TiO2-SiO2 mixed oxide deposited by low pressure PECVD: Insights on optical and nanoscale electrical properties

M Mitronika, C Villeneuve-Faure, F Massol… - Applied Surface …, 2021 - Elsevier
Ti x Si 1-x O 2 thin films appear as promising materials to replace SiO 2 for DRAM devices.
For the effective down scaling, these mixed oxides should combine the best properties from …

The influence of composition on band gap and dielectric constant of anodic Al-Ta mixed oxides

A Zaffora, F Di Franco, M Santamaria, H Habazaki… - Electrochimica …, 2015 - Elsevier
Al-Ta mixed oxides were grown by anodizing sputter-deposited Al-Ta alloys of different
composition. Photocurrent spectra revealed a band gap, E g, slightly independent on Ta …