Secondary electron emission yield calculation performed using two different Monte Carlo strategies

M Dapor - Nuclear Instruments and Methods in Physics Research …, 2011 - Elsevier
The secondary electron emission yield in Al2O3 and polymethylmethacrylate (PMMA) is
calculated using two different Monte Carlo approaches, one based on the energy straggling …

Energy selective scanning electron microscopy to reduce the effect of contamination layers on scanning electron microscope dopant mapping

C Rodenburg, MAE Jepson, EGT Bosch, M Dapor - Ultramicroscopy, 2010 - Elsevier
We demonstrate that energy selective scanning electron microscopy can lead to substantial
dopant contrast and resolution improvements (compared to standard SEM) when the energy …

Role of the tail of high-energy secondary electrons in the Monte Carlo evaluation of the fraction of electrons backscattered from polymethylmethacrylate

M Dapor - Applied Surface Science, 2017 - Elsevier
This work describes a Monte Carlo algorithm which appropriately takes into account the
stochastic behavior of electron transport in solids and the simulation of the energy …

Comparative study of image contrast in scanning electron microscope and helium ion microscope

R O'CONNELL, Y Chen, H Zhang, Y Zhou… - Journal of …, 2017 - Wiley Online Library
Images of Ga+‐implanted amorphous silicon layers in a 110 n‐type silicon substrate have
been collected by a range of detectors in a scanning electron microscope and a helium ion …

Resolution limits of secondary electron dopant contrast in helium ion and scanning electron microscopy

M Jepson, X Liu, D Bell, D Ferranti… - Microscopy and …, 2011 - academic.oup.com
As the miniaturization of semiconductor devices continues, characterization of dopant
distribution within the structures becomes increasingly challenging. One potential solution is …

[HTML][HTML] Beyond conventional secondary electron imaging using spectromicroscopy and its applications in dopant profiling

W Han, A Srinivasan, A Banerjee, M Chew… - Materials Today …, 2019 - Elsevier
Despite decades of research, the technique of measuring dopant concentration by the
scanning electron microscope (SEM) has so far been limited to probing idealized test pn …

The effect of oxidation and carbon contamination on SEM dopant contrast

MAE Jepson, K Khan, TJ Hayward… - Journal of Physics …, 2010 - iopscience.iop.org
Dopant contrast in the scanning electron microscope (SEM) has the potential to provide
rapid and quantitative information about the distribution of dopant atoms in semiconductors …

Computer simulation of electron transport in solids with applications to materials analysis and characterization

M Dapor - 2013 - iris.unitn.it
Monte Carlo (MC) technique allows solving mathematical and physical problems of great
complexity. One of the main topics that can be approached using the MC strategies …

Highly reproducible secondary electron imaging under electron irradiation using high-pass energy filtering in low-voltage scanning electron microscopy

D Tsurumi, K Hamada… - Microscopy and …, 2012 - academic.oup.com
The reproducibility of contrast in secondary electron (SE) imaging during continuous
electron irradiation, which caused surface contamination, was investigated using SE high …

Dopant contrast in the helium ion microscope: contrast mechanism

C Rodenburg, MAE Jepson, BJ Inkson… - Journal of Physics …, 2010 - iopscience.iop.org
With the continued miniaturisation of semiconductor devices, there is an increasing need for
nanoscale characterisation. Dopant mapping in a Low Voltage Scanning Electron …