Materials for interconnects

D Gall, JJ Cha, Z Chen, HJ Han, C Hinkle, JA Robinson… - MRS Bulletin, 2021 - Springer
The electrical resistance of interconnect wires increases with decreasing size, causing
signal delay and energy consumption that limits further downscaling of integrated circuits …

Materials quest for advanced interconnect metallization in integrated circuits

JH Moon, E Jeong, S Kim, T Kim, E Oh, K Lee… - Advanced …, 2023 - Wiley Online Library
Integrated circuits (ICs) are challenged to deliver historically anticipated performance
improvements while increasing the cost and complexity of the technology with each …

[HTML][HTML] Selecting alternative metals for advanced interconnects

JP Soulié, K Sankaran, B Van Troeye… - Journal of Applied …, 2024 - pubs.aip.org
Interconnect resistance and reliability have emerged as critical factors limiting the
performance of advanced CMOS circuits. With the slowdown of transistor scaling …

Interdiffusion reliability and resistivity scaling of intermetallic compounds as advanced interconnect materials

L Chen, S Kumar, M Yahagi, D Ando, Y Sutou… - Journal of Applied …, 2021 - pubs.aip.org
Intermetallic compounds have been proposed as potential interconnect materials for
advanced semiconductor devices. This study reports the interdiffusion reliability and …

Ab initio screening of metallic MAX ceramics for advanced interconnect applications

K Sankaran, K Moors, Z Tőkei, C Adelmann… - Physical Review …, 2021 - APS
The potential of a wide range of layered ternary carbide and nitride Mn+ 1AXn [an early
transition metal (M), an element of columns 13 or 14 of the periodic table (A), and either C or …

Al3Sc thin films for advanced interconnect applications

JP Soulié, K Sankaran, V Founta, K Opsomer… - Microelectronic …, 2024 - Elsevier
Al x Sc 1-x thin films have been studied with compositions around Al 3 Sc (x= 0.75) for
potential interconnect metallization applications. As-deposited 25 nm thick films were x-ray …

Vacancy-Type Defects and Oxygen Incorporation in NiAl for Advanced Interconnects Probed by Monoenergetic Positron Beams and Atom Probe Tomography

A Uedono, C Fleischmann, JP Soulié… - ACS Applied …, 2024 - ACS Publications
Positron annihilation and atom probe tomography were used to study vacancy-type defects
and their interaction with oxygen in 100 nm thick Ni x Al1–x deposited on a SiO2/Si …

Potential of low-resistivity Cu2Mg for highly scaled interconnects and its challenges

L Chen, Q Chen, D Ando, Y Sutou, M Kubo… - Applied Surface …, 2021 - Elsevier
Materials with low resistivity in small dimensions are urgently desired to replace Cu for
highly scaled interconnection in advanced integrated circuits. This study reports the …

Electromigration characteristics of CuAl2

T Kuge, M Yahagi, J Koike - Journal of Alloys and Compounds, 2022 - Elsevier
Intermetallic compounds with good thermal stability and low electrical resistivity have
opened up a new field of application as interconnect materials in advanced electronic …

Study on CoAl intermetallic compound films for advanced interconnect applications: Experimental and DFT investigations

KY Song, JS Lee, Y Lee, M Cho, H Choi, YK Kwon… - Vacuum, 2022 - Elsevier
This paper reports the results of a materials study on co-sputtered CoAl thin films for
interconnect applications based on both experiments and computations. We modulate the …