@expmicromech.com.bsky.social
Research Group led by Prof Ben Britton, @bmatb.expmicromech.com, based at UBC and Imperial College London. Mostly news about the group's activities, including papers & preprints. https://www.expmicromech.com/home
Figure 1 from the paper which shows the electron column and microscope layout required to collect and understand and electron channelling pattern
๐จ New Preprint: "AstroECP: towards more practical Electron Channeling Contrast Imaging"
M. Haroon Qaiser, Lukas Berners, Robin J. Scales, @tbizh95.bsky.social, Martin Heller, Jiri Dluhos, Sandra Korte-Kerzel, @bmatb.expmicromech.com
arxiv.org/abs/2507.00354
Graphical abstract - showing the experimental set up for the analysis of WSe2 films, the data clustering method, analysis of the diffraction patterns, and diffraction patterns from one, two and three layer WSe2 films
๐จNew #PrePrint - "Characterization of WSe2 films using reflection Kikuchi diffraction in the scanning electron microscope and multivariate statistical analyses" @tbizh95.bsky.social, J Holzer, T Vystavฤl, M Kolรญbal, E Paiva de Araรบjo, C. Stephens & @bmatb.expmicromech.com
arxiv.org/abs/2506.22575
A graphical abstract showing the steps required to do a lift out experiment - where a chunk of Mg is extracted and then images in 3D
๐จ new preprint - arxiv.org/abs/2506.17534 ๐ฌ
"Large volume 'chunk' lift out for 3D tomographic analysis using analytical plasma focussed ion beam -- scanning electron microscopy" by
@drruthb.bsky.social Shuheng Li, Sharang Sharang, Warren J. Poole, @bmatb.expmicromech.com
Figure 1 from the paper - which shows the instrument sample design for in situ optical digital image correlation analysis of zircaloy 4
New paper:
Long, D., Dessolier, T., @bmatb.expmicromech.com Pedrazzini, S., and Dunne, F. P.E., "Zirconium ฮ-Hydrides: Strain Localisation, Ratcheting, and Fatigue Crack Propagation" published in the International Journal of Plasticity (2025)
www.sciencedirect.com/science/arti...
A graphical abstract from the work that shows the microscope set up, examples of the systematic studies that form part of the paper, and three example application areas
๐จNew Preprint - "Practical considerations for crystallographic and microstructure mapping with direct electron detector-based electron backscatter diffraction" by
@tbizh95.bsky.social, Ruth Birch, Graeme Francolini, Ebru Karakurt Uluscu, @bmatb.expmicromech.com
arxiv.org/abs/2504.11624
A photograph of a new scanning electron microscope in the lab
Exciting times - a brand new Thermo Fisher Scientific Apreo Chemisem scanning electron microscope, equipped with EDX and EBSD, is being commissioned for us at UBC - with support from Systems for Research.
This instrument will enable us to develop highly automated materials characterization methods.
A figure from the paper which shows different geometries of the experimental set up and the collected diffraction patterns.
๐จNew published paper: "Comparison of Kikuchi Diffraction Geometries in Scanning Electron Microscope" by @tbizh95.bsky.social, Lukas Berners, Jakub Holzer, @bmatb.expmicromech.com - where we use and compare direct electro detector configurations for electron crystallography
doi.org/10.1016/j.ma...
A black and white micrograph revealing deformation twins and other features from the shocked meteorite sample
๐จNew paper - "Microstructural characterization to reveal evidence of shock deformation in a Campo del Cielo meteorite fragment" by Graeme Francolini and @bmatb.expmicromech.com - accepted for publication in Materials Characterization doi.org/10.1016/j.ma... ๐งช๐ฌ๐
14.02.2025 01:02 โ ๐ 2 ๐ 0 ๐ฌ 0 ๐ 1
Figure 2 from the paper that shows: "Experimental stages and typical raw, background corrected Kikuchi patterns from the four diffraction geometries. Indexed patterns with pattern centre and selected bands overlaid are also shown."
๐จNew #ArXiv #PrePrint:
"Comparison of Kikuchi Diffraction Geometries in Scanning Electron Microscope" by
@tbizh95.bsky.social, Lukas Berners, Jakub Holzer, @bmatb.expmicromech.com
Exploring on- and off-axis TKD, EBSD and RKD geometries for crystallographic analysis
arxiv.org/abs/2411.13018
The data and code for this paper is available on Zenodo, if you want to give it a go yourself:
zenodo.org/records/1338...
A graphical abstract that shows how we go from an initial microstructure map and apply a reconstruction algorithm, which we improve using a 'resort' procedure. The new algorithm has a better looking and more realistic microstructure.
๐จNew paper: "Improving parent-austenite twinned grain reconstruction using electron backscatter diffraction in low carbon austenite" by @drruthb.bsky.social @bmatb.expmicromech.com and Warren Poole in Scripta Materialia (2025) - we use #EBSD and improve the analysis of steel
doi.org/10.1016/j.sc...
Screenshot of the paper headline from the linked article - showing the full title, journal, and author list.
๐จNew paper: "Effect of chromium doping on the grain boundary character of WC-Co" by Max Emmanuel et al., where we measure how the variations in processing parameters influence the microstructure in hard metal cutting tool materials.
doi.org/10.1016/j.ij...
This is a BlueSky feed for the @expmicromech.com research group, who are based at the University of British Columbia and Imperial College London.
This will be a low traffic feed, where we'll post news group the group here (which is also pushed to our website - www.expmicromech.com).
