UV-ozone functionalization of 2D materials

SJ McDonnell, RM Wallace - Jom, 2019 - Springer
Abstract Integrating two-dimensional (2D) materials into the current nanoelectronic process
requires control over the deposition of gate oxides onto these materials. Atomic layer …

Influence of temperature and plasma parameters on the properties of PEALD HfO2

M Lapteva, V Beladiya, S Riese, P Hanke… - Optical Materials …, 2021 - opg.optica.org
HfO_2 has promising applications in semiconductors and optics due to its high dielectric
constant and high refractive index. In this work, HfO_2 thin films were deposited by plasma …

Comparative study of the growth characteristics and electrical properties of atomic-layer-deposited HfO 2 films obtained from metal halide and amide precursors

IK Oh, BE Park, S Seo, BC Yeo, J Tanskanen… - Journal of Materials …, 2018 - pubs.rsc.org
Downscaling of complementary metal-oxide semiconductor (CMOS) gate stacks requires the
introduction of ultra-thin and high-k dielectrics such as HfO2. Atomic layer deposition (ALD) …

Impact of Charge Trapping On Epitaxial p-Ge-on-p-Si and HfO2 Based Al/HfO2/p-Ge-on-p-Si/Al Structures Using Kelvin Probe Force Microscopy and Constant …

S Choudhary, D Schwarz, HS Funk… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
The quest for the high speed, low power digital logic circuits urge an imperative demand of
compatible high-κ dielectric integration on novel Germanium (Ge) based channel material …

Enhanced physical and electrical properties of HfO2 deposited by atomic layer deposition using a novel precursor with improved thermal stability

SW Lee, H Kim, JH Ahn - Surfaces and Interfaces, 2023 - Elsevier
With the increased application range of Hf-based oxides in memory devices, such as high-k
capacitors, gate dielectrics, and ferroelectric devices, improvement in the properties of HfO 2 …

Uniformity of HfO2 Thin Films Prepared on Trench Structures via Plasma-Enhanced Atomic Layer Deposition

B Choi, HU Kim, N Jeon - Nanomaterials, 2022 - mdpi.com
In this study, we assessed the physical and chemical properties of HfO2 thin films deposited
by plasma-enhanced atomic layer deposition (PEALD). We confirmed the self-limiting nature …

Amidoxime-Containing Zr and Hf Atomic Layer Deposition Precursors for Metal Oxide Thin Films

GY Lee, SH Lee, IH Jo, CM Cho, S Shostak… - Inorganic …, 2023 - ACS Publications
In this article, we discuss the synthesis of eight novel zirconium and hafnium complexes
containing amidoxime ligands as potential precursors for atomic layer deposition (ALD). Two …

Chemisorption and Surface Reaction of Hafnium Precursors on the Hydroxylated Si (100) Surface

TB Tai, J Lim, H Shin - Coatings, 2023 - mdpi.com
Hafnium oxide (HfO2) is widely recognized as one of the most promising high-k dielectric
materials due to its remarkable properties such as high permittivity, wide band gap, and …

Atomic Layer Deposition of Hafnium Oxide Passivating Layers on Silicon: Impact of Precursor Selection

SL Pain, A Yadav, D Walker, NE Grant… - physica status solidi …, 2024 - Wiley Online Library
Hafnium oxide (HfOx) films grown by atomic layer deposition (ALD) have recently been
demonstrated to provide high‐quality silicon surface passivation. Reports have suggested …

Investigation of tetrakis (ethylmethylamido) hafnium adsorption mechanism in initial growth of atomic layer deposited-HfO2 thin films on H-/OH-terminated Si (100) …

J Park, M Jeong, YJ Cho, KJ Kim, TB Tai… - Journal of Vacuum …, 2023 - pubs.aip.org
The continuous scaling down of dynamic random access memory devices has necessitated
a comprehensive understanding of the initial growth mechanism in atomic layer deposition …