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Ultramicroscopy Research Group

The Ultramicroscopy group is based around exploring the design and function of the aberration-corrected scanning transmission electron microscope (STEM). Based in the Advanced Microscopy Laboratory, we work to improve the acquisition and analysis of atomic-resolution annular dark-field (ADF) imaging data and EELS & EDX chemical mapping.

Our research activity spans both hardware and software development for the STEM, with areas including ADF normalisation by detector efficiency, correction of scan-noise and scan-distortion, and correction of artefacts in EELS spectra. We research and develop techniques for picometer-scale precision imaging, low-dose STEM, novel scanning strategies, and hysteresis-mitigation.

Principle Investigator

Dr. Lewys Jones FRMS MInstP

Ussher Assistant Professor in Ultramicroscopy
Royal Society & Science Foundation Ireland (SFI) University Research Fellow

Advanced Microscopy Laboratory & School of Physics,
Trinity College Dublin

Co-director SFI-EPSRC Centre for Doctoral Training in Advanced Characterisation
AMBER Research Centre,
Trinity College Dublin

E-mail: lewys.jones@tcd.ie
Phone: +353 1 896 4171
Twitter: @TCD_Ultramic