Influence of plasmon excitations on atomic-resolution quantitative 4D scanning transmission electron microscopy

A Beyer, FF Krause, HL Robert, S Firoozabadi… - Scientific reports, 2020 - nature.com
Scanning transmission electron microscopy (STEM) allows to gain quantitative information
on the atomic-scale structure and composition of materials, satisfying one of todays major …

Angle-resolved STEM using an iris aperture: Scattering contributions and sources of error for the quantitative analysis in Si

T Grieb, FF Krause, K Müller-Caspary, S Firoozabadi… - Ultramicroscopy, 2021 - Elsevier
The angle-resolved electron scattering is investigated in scanning-transmission electron
microscopy (STEM) using a motorised iris aperture placed above a conventional annular …

Element specific atom counting for heterogeneous nanostructures: Combining multiple ADF STEM images for simultaneous thickness and composition determination

DG Şentürk, A De Backer, S Van Aert - Ultramicroscopy, 2024 - Elsevier
In this paper, a methodology is presented to count the number of atoms in heterogeneous
nanoparticles based on the combination of multiple annular dark field scanning transmission …

Quantitative composition determination by ADF-STEM at a low-angular regime: A combination of EFSTEM and 4DSTEM

S Firoozabadi, P Kükelhan, A Beyer, J Lehr, D Heimes… - Ultramicroscopy, 2022 - Elsevier
High-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) is
a valuable method for composition determination of nanomaterials. However, light elements …

Optimization of imaging conditions for composition determination by annular dark field STEM

S Firoozabadi, P Kükelhan, T Hepp, A Beyer, K Volz - Ultramicroscopy, 2021 - Elsevier
Quantitative scanning transmission electron microscopy (STEM) allows composition
determination for nanomaterials at an atomic scale. To improve the accuracy of the results …

Composition determination for quaternary III–V semiconductors by aberration-corrected STEM

P Kükelhan, T Hepp, S Firoozabadi, A Beyer, K Volz - Ultramicroscopy, 2019 - Elsevier
Quantitative scanning transmission electron microscopy (STEM) is a powerful tool for the
characterization of nano-materials. Absolute composition determination for ternary III–V …

Quantitative Scanning Transmission Electron Microscopy for III-V Semiconductor Heterostructures Utilizing Multi-Slice Image Simulations

P Kükelhan - 2019 - archiv.ub.uni-marburg.de
Quantitative STEM can satisfy the demand of modern semiconductor device development for
atomically resolved structural information. Thereby, quantitative evaluations can be based …