John Steeds (scientist)
John Steeds | |
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| Born | 9 February 1940 |
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| Doctoral advisor | Archibald Howie[1] |
John Wickham Steeds FRS FInstP[2] (born 9 February 1940) is a British physicist and materials scientist. He is an Emeritus Professor of Physics at the University of Bristol.[2][3]
Research
[edit]Steeds is best known for his investigations of the microstructure of materials using electron microscopy and convergent-beam electron diffraction. Early in his career, he produced seminal work on dislocation arrangements in deformed copper crystals, which is a basis for the more recent theories of work hardening. His monograph on anisotropic elasticity theory of dislocations is a standard reference. He has led a sophisticated research effort to make, from image plane diffraction analysis ("real-space crystallography") and convergent-beam diffraction, a complete system for crystallographic structure determination in the electron microscope. He is recognised as a world expert in this technique.[1][2]
Significant applications include precipitate structure in steels, new phases in the contact regions of integrated circuits and the correction of important errors in the structure of transition metal dichalcogenides. With the first observation of solitons (discommensurations) in the stripe and triply incommensurate states of these layer compounds, he has produced dynamic images of the basic phase-transition mechanisms.[1][2]
Awards and honours
[edit]Steeds was elected a Fellow of the Royal Society (FRS) in 1988.[2][4] In 1996, he received the Holweck Medal, awarded jointly by the Institute of Physics and Société Française de Physique.[1][5]
References
[edit]- ^ a b c d e Colliex, Christian (1996). "John Wickham Steeds, Holweck Prize 1996". Microscopy Microanalysis Microstructures. 7 (4). EDP Sciences: V. doi:10.1051/mmm:01996007040r500. ISSN 1154-2799.
- ^ a b c d e "John Steeds". London: Royal Society. Archived from the original on 2015-11-23. Retrieved 2017-07-13. One or more of the preceding sentences may incorporate text from the royalsociety.org website where "all text published under the heading 'Biography' on Fellow profile pages is available under Creative Commons Attribution 4.0 International License" (Royal Society Terms, conditions and policies, Intellectual property rights).
- ^ "Professor John Steeds - Physics". www.bristol.ac.uk. 2017-02-20. Archived from the original on 2017-08-06. Retrieved 2017-07-13.
- ^ "EC/1988/37: Steeds, John Wickham". The Royal Society. Retrieved 13 July 2017.[permanent dead link]
- ^ Physics, Institute of. "Holweck medal recipients". Institute of Physics - For physics • For physicists • For all. Retrieved 2017-07-13.
External links
[edit]- John Wickham Steeds[dead link], Eminent Cavendish Physicists, University of Cambridge
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