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Ultramicroscopy Group Members

Current Group Members

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Group Leader

  • Dr Lewys Jones FRMS MInstP (Orcid, Google Scholar)
    After a first degree in Material Science, Lewys received his PhD from the Department of Materials at the University of Oxford in 2013. This focussed on two themes; scanning stability in the aberration-corrected scanning transmission electron microscope (AC-STEM) and applications of focal series of annular dark-field data. After 4 years as a post-doc in the Nellist group at David Cockayne Centre for Electron Microscopy, in 2017 Lewys moved to Trinity College Dublin to found the Ultramicroscopy Group as the new Ussher Assistant Professor in Ultramicroscopy.
    In 2019, Lewys was awarded a Royal Society & Science Foundation Ireland (SFI) University Research Fellowship to expand the hardware instrumentation development activities of the group.
    Lewys has authored around 100 articles and proceedings with more than 1000 combined citations, and has launched two commercial software plug-ins for Digital Micrograph in collaboration with HREM Research.
    Lewys is a co-director of the SFI-EPSRC Centre for Doctoral Training in Advanced Characterisation, an Associate Editor of the journal Advanced Structural and Chemical Imaging, and has been a Fellow of the Royal Microscopical Society since 2015.

PhD Students (alphabetical)

  • Patrick McBean BA (Orcid, Google Scholar)
    Patrick received his BSc in Physics & Astrophysics in 2019 from Trinity College Dublin. Following his final year research project with Professor Jonathan Coleman in the Chemical Physics of Low-Dimensional Nanostructures research group, he is now working on his PhD with the Ultramicroscopy Group doing computational modelling of magnetic fields. In his spare time he competes in badminton and air-rifle.
  • Tiarnan Mullarkey BA (Orcid, Google Scholar)
    Tiarnan graduated from Trinity College Dublin with a BA in Physics in 2019. During his degree he completed a final year research project in the Ultramicroscopy group based on creating a digital, electron-counting imaging technique for ADF detectors used in scanning transmission electron microscopes. He will be continuing this research for his PhD project through the Center for Doctoral Training in the Advanced Characterisation of Materials. He hopes to use and further develop his new technique to characterise samples previously too sensitive to image with current analogue techniques.
  • Frances Quigley BA (Orcid, Google Scholar)
    Frances graduated from her undergraduate degree in Physics in Trinity College Dublin in 2019. During this she completed a research project in surface-science at Soochow University, China as well as a biophysics project at the University of Sydney using high performance computing. She is currently studying for her PhD with Dr. Lewys Jones in low-energy electron microscopy with the aim of creating a new low-energy electron emitter exploiting photoelectric emission. Frances has a strong interest in science communication and has worked for almost three years in the Science Gallery Dublin as a mediator developing her science communication skills.

Undergraduate Research Students

  • Jean O Brien
    Jean is a third year undergraduate student studying theoretical physics in Trinity. In 2018 she completed a summer research project entitled "Sample Preparation for Transmission Electron Microscopy" as part of the Ultramicroscopy group. She is a recipient of the Naughton Scholarship and the Laidlaw Scholarship and is currently researching microplastics in the environment in Ireland as part of the Laidlaw programme. Her project involves five weeks of research in the summer of 2019 and a further five weeks of research in the summer of 2020, after which she will produce a final report and poster.
  • Grainne Allen
  • Éanna Doyle
  • Cameron O'Byrne

Past Group Members


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Former Final-year Project Students (alphabetical)

  • Connal McNamara
  • Catriona Murphy
  • Tiarnan Mullarkey
  • Mark Murray

Former Summer Intern Students (alphabetical)

  • Michael Mitchell
  • Jean O Brien
  • William O Sullivan
  • Claire Rieger (UCSB)