Efficient plasma-surface interaction surrogate model for sputtering processes based on autoencoder neural networks

T Gergs, B Borislavov, J Trieschmann - Journal of Vacuum Science & …, 2022 - pubs.aip.org
Simulations of thin film sputter deposition require the separation of the plasma and material
transport in the gas phase from the growth/sputtering processes at the bounding surfaces …

Physics-separating artificial neural networks for predicting initial stages of Al sputtering and thin film deposition in Ar plasma discharges

T Gergs, T Mussenbrock… - Journal of Physics D …, 2023 - iopscience.iop.org
Simulations of Al thin film sputter depositions rely on accurate plasma and surface
interaction models. Establishing the latter commonly requires a higher level of abstraction …

Machine learning plasma-surface interface for coupling sputtering and gas-phase transport simulations

F Krüger, T Gergs, J Trieschmann - Plasma Sources Science and …, 2019 - iopscience.iop.org
A unified model of thin film deposition by means of sputter deposition requires a description
which bridges the intrinsic time and length scales of both the solid and the gas-phase. As a …

Ion energy control via the electrical asymmetry effect to tune coating properties in reactive radio frequency sputtering

S Ries, L Banko, M Hans, D Primetzhofer… - Plasma Sources …, 2019 - iopscience.iop.org
A knowledge-based understanding of the plasma-surface-interaction with the aim to
precisely control (reactive) sputtering processes for the deposition of thin films with tailored …

Surface processes in low-pressure capacitive radio frequency discharges driven by tailored voltage waveforms

A Derzsi, B Horváth, Z Donkó… - Plasma Sources Science …, 2020 - iopscience.iop.org
Abstract Particle-in-cell/Monte Carlo collisions (PIC/MCC) simulations are performed to
investigate the sputtering and the secondary electron emission (SEE) in geometrically …

Physics-separating artificial neural networks for predicting sputtering and thin film deposition of AlN in Ar/N2 discharges on experimental timescales

T Gergs, T Mussenbrock… - Journal of Physics D …, 2023 - iopscience.iop.org
Understanding and modeling plasma–surface interactions frame a multi-scale as well as
multi-physics problem. Scale-bridging machine learning surface surrogate models have …

On the microcrystal structure of sputtered Cu films deposited on Si (100) surfaces: experiment and integrated multiscale simulation

G Zhu, M Han, B Xiao, Z Gan - Molecules, 2023 - mdpi.com
Sputtered Cu/Si thin films were experimentally prepared at different sputtering pressures
and characterized using X-ray diffraction (XRD) and an atomic force microscope (AFM) …

Influence of sputtering pressure on the micro-topography of sputtered Cu/Si films: Integrated multiscale simulation

G Zhu, M Han, B Xiao, Z Gan - Processes, 2023 - mdpi.com
In this work, an integrated multiscale simulation of magnetron sputtering epitaxy was
conducted to study the effect of sputtering pressure on the surface micro-topography of …

Particle-based simulation of atom and ion transport in HiPIMS: effect of the plasma potential distribution on the ionized flux fraction

T Kozák - Plasma Sources Science and Technology, 2023 - iopscience.iop.org
We present a three-dimensional particle-based computer simulation of high-power impulse
magnetron sputtering (HiPIMS) discharges which enables us to simulate the transport of …

Influence of target-substrate distance on the transport process of sputtered atoms: MC-MD multiscale coupling simulation

G Zhu, Q Du, B Xiao, G Chen, Z Gan - Materials, 2022 - mdpi.com
A Monte Carlo (MC) and molecular dynamics (MD) coupling simulation scheme for sputtered
particle transport was first proposed in this work. In this scheme, the MC method was utilized …