Silatrane-Based Molecular Nanolayers as Efficient Diffusion Barriers for Cu/SiO2/Si Heterojunctions: Implications for Integrated Circuit Manufacturing

TA Chen, T Yu, VT Vu, CJ Huang… - ACS Applied Nano …, 2024 - ACS Publications
With the rapid development of emerging technologies such as artificial intelligence and high-
frequency communications, advanced subnanometer chips with a high-performance …

Mass transport mechanism of Cu species at the metal/dielectric interfaces with a graphene barrier

Y Zhao, Z Liu, T Sun, L Zhang, W Jie, X Wang, Y **e… - ACS …, 2014 - ACS Publications
The interface between the metal and dielectric is an indispensable part in various electronic
devices. The migration of metallic species into the dielectric can adversely affect the …

Control of the Cu morphology on Ru-passivated and Ru-doped TaN surfaces–promoting growth of 2D conducting copper for CMOS interconnects

CL Nies, SK Natarajan, M Nolan - Chemical Science, 2022 - pubs.rsc.org
Prolonging the lifetime of Cu as a level 1 and level 2 interconnect metal in future
nanoelectronic devices is a significant challenge as device dimensions continue to shrink …

Effect of thickness scaling on the permeability and thermal stability of Ta (N) diffusion barrier

H Xu, ZJ Hu, XP Qu, H Wan, SS Yan, M Li… - Applied Surface …, 2019 - Elsevier
Molecular and atomic permeability, thermal stability and interfacial reactions of ultrathin Ta,
TaN and Ta/TaN stack as barrier to Cu/low-k interconnects have been studied. It is shown …

Organosiloxane nanolayer as diffusion barrier for Cu metallization on Si

YP Zhang, MC Sil, CM Chen - Applied Surface Science, 2021 - Elsevier
Abstract Development of emerging technologies such as artificial intelligence, big data, and
smart vehicles brings increasing demands on high-performance integrated circuits (ICs). To …

Surface-functionalized interfacial self-assembled monolayers as copper electrode diffusion barriers for oxide semiconductor thin-film transistor

SE Lee, J Park, J Lee, EG Lee, C Im, H Na… - ACS Applied …, 2019 - ACS Publications
The stability and control of copper (Cu) electrode application in oxide semiconductor indium
gallium zinc oxide (IGZO) can improve the resistance–capacitance (RC) delay, which is …

Control of Cu morphology on TaN barrier and combined Ru-TaN barrier/liner substrates for nanoscale interconnects from atomistic kinetic Monte Carlo simulations

S Aldana, CL Nies, M Nolan - arxiv preprint arxiv:2410.06133, 2024 - arxiv.org
The miniaturization of electronic devices brings severe challenges in the deposition of metal
interconnects in back end of line processing due to a continually decreasing volume …

Manufacturable Processes for 32-nm-node CMOS Enhancement by Synchronous Optimization of Strain-Engineered Channel and External Parasitic Resistances

AM Noori, M Balseanu, P Boelen… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
Manufacturable processes to reduce both channel and external resistances (R Ext) in CMOS
devices are described. Simulations show that R Ext will become equivalent to strained Si …

Preferential Outward Diffusion of Cu during Unconventional Galvanic Replacement Reactions between HAuCl4 and Surface-Limited Cu Nanocrystals

Y Liu, AR Hight Walker - ACS nano, 2011 - ACS Publications
Metal diffusion in nanoscale materials is of great interest, yet the detailed kinetic behavior of
such diffusion remains elusive. We observe direction-controlled Cu diffusion during …

First-principles study of copper contamination in silicon semiconductor

P Chen, Y Li, F Qin, T An, Y Dai, M Zhang, M Liu… - Surfaces and …, 2022 - Elsevier
Copper (Cu) has been widely used as interconnect materials in semiconductor industry, due
to its advantages of high electrical, thermal conductivities, good electro-migration resistance …