activity
20212023
most citedThermal and Oxidation Stability of TiW Diffusion Barriers Investigated by Soft and Hard X-ray Photoelectron Spectroscopy

18 citations · 25 across the 4 of their papers we have counts for

collaborators

4 papers

cond-mat.mtrl-sci2023

Capturing the dynamics of Ti diffusion across TiW/Cu heterostructures using X-ray photoelectron spectroscopy

Curran Kalha, Pardeep K. Thakur, Tien-Lin Lee +4

Interdiffusion phenomena between adjacent materials are highly prevalent in semiconductor device architectures and can present a major reliability challenge for the industry. To fu…

cond-mat.mtrl-sci2022★ 7 cited

Evaluation of the Thermal Stability of TiW/Cu Heterojunctions Using a Combined SXPS and HAXPES Approach

Curran Kalha, Michael Reisinger, Pardeep. K. Thakur +7

Power semiconductor device architectures require the inclusion of a diffusion barrier to suppress, or at best prevent the interdiffusion between the copper metallisation interconne…

cond-mat.mtrl-sci2021

Accurate effective harmonic potential treatment of the high-temperature cubic phase of Hafnia

Sebastian Bichelmaier, Jesús Carrete, Michael Nelhiebel +1

HfO is an important high- dielectric and ferroelectric, exhibiting a complex potential energy landscape with several phases close in energy. It is, however, a strongly anhar…

cond-mat.mtrl-sci2021★ 18 cited

Thermal and Oxidation Stability of TiW Diffusion Barriers Investigated by Soft and Hard X-ray Photoelectron Spectroscopy

Curran Kalha, Sebastian Bichelmaier, Nathalie K. Fernando +10

The binary alloy of titanium-tungsten (TiW) is an established diffusion barrier in high-power semiconductor devices, owing to its ability to suppress the diffusion of copper from t…