Carbon contamination in scanning transmission electron microscopy and its impact on phase-plate applications

S Hettler, M Dries, P Hermann, M Obermair… - Micron, 2017 - Elsevier
We analyze electron-beam induced carbon contamination in a transmission electron
microscope. The study is performed on thin films potentially suitable as phase plates for …

Charging of carbon thin films in scanning and phase-plate transmission electron microscopy

S Hettler, E Kano, M Dries, D Gerthsen, L Pfaffmann… - Ultramicroscopy, 2018 - Elsevier
A systematic study on charging of carbon thin films under intense electron-beam irradiation
was performed in a transmission electron microscope to identify the underlying physics for …

Momentum-resolved electron energy loss spectroscopy for map** the photonic density of states

P Shekhar, M Malac, V Gaind, N Dalili, A Meldrum… - Acs …, 2017 - ACS Publications
Strong nanoscale light–matter interaction is often accompanied by ultraconfined photonic
modes and large momentum polaritons existing far beyond the light cone. A direct probe of …

Deep ultra-violet plasmonics: exploiting momentum-resolved electron energy loss spectroscopy to probe germanium

Z Poursoti, W Sun, S Bharadwaj, M Malac, S Iyer… - Optics …, 2022 - opg.optica.org
Germanium is typically used for solid-state electronics, fiber-optics, and infrared
applications, due to its semiconducting behavior at optical and infrared wavelengths. In …

Nano-dot markers for electron tomography formed by electron beam-induced deposition: Nanoparticle agglomerates application

M Hayashida, M Malac, M Bergen, P Li - Ultramicroscopy, 2014 - Elsevier
A method allowing fabrication of nano-dot markers for electron tomography was developed
using an electron beam-induced deposition in an ordinary dual beam instrument (FIB and …

Quasi non-diffractive electron Bessel beams using direct phase masks with applications in electron microscopy

S Hettler, L Grünewald, M Malac - New Journal of Physics, 2019 - iopscience.iop.org
Electron-beam sha** opens up novel imaging possibilities in electron microscopy (EM).
The implementation of a phase or amplitude mask in the condenser lens system allows the …

Spectrum image analysis tool–A flexible MATLAB solution to analyze EEL and CL spectrum images

FP Schmidt, F Hofer, JR Krenn - Micron, 2017 - Elsevier
Spectrum imaging techniques, gaining simultaneously structural (image) and spectroscopic
data, require appropriate and careful processing to extract information of the dataset. In this …

Three dimensional accurate morphology measurements of polystyrene standard particles on silicon substrate by electron tomography

M Hayashida, K Kumagai, M Malac - Micron, 2015 - Elsevier
Polystyrene latex (PSL) nanoparticle (NP) sample is one of the most widely used standard
materials. It is used for calibration of particle counters and particle size measurement tools. It …

Accurate measurement of relative tilt and azimuth angles in electron tomography: A comparison of fiducial marker method with electron diffraction

M Hayashida, M Malac, M Bergen… - Review of Scientific …, 2014 - pubs.aip.org
Electron tomography is a method whereby a three-dimensional reconstruction of a
nanoscale object is obtained from a series of projected images measured in a transmission …

Tomographic measurement of buried interface roughness

M Hayashida, S Ogawa, M Malac - … of Vacuum Science & Technology B, 2015 - pubs.aip.org
The authors demonstrate that electron tomography allows accurate measurement of
roughness of buried interfaces in multilayer samples. The method does not require the …