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Academic Staff

Professor Tony Paxton

  Paxton

Telephone: +44 020 7848 7476

Emailtony.paxton@kcl.ac.uk

Office: S3.10

Research Group: Theory & Simulation of Condensed Matter

Office Hours: 11-12 Thu, 12-1 Fri

Professor Tony Paxton at the Thomas Young Centre

Biography

Before joining King's College London Tony was a Professor of Theory and Modelling in Condensed Matter and Director of Research in the Atomistic Simulation Centre at Queen's University Belfast. He has a BMet from Sheffield University (1984) and DPhil from Oxford (1987). He worked at Max Planck Institut fuer Festkoerperforschung (1987-1989), SRI International, Menlo Park California (1989-1993) and University of Oxford, Department of Materials (1993-1995). From 1995 to 2013 he was at Queen's University Belfast and is currently attached to the Fraunhofer Institute for Mechanics of Materials (IWM) in Freiburg. He is a Visiting Professor in the Department of Materials at Imperial College London and Honorary Professor of Physics at Queen's University Belfast.

Research

Tony's research interests are in nanoscale and microscale modelling of structure property relations in structural and functional materials. He is also interested in atomistic simulation of water and chemical processes in aqueous solution, both catalysis and corrosion. 

Two recently concluded projects are "Multiscale Modelling of Hydrogen Embrittlement" (www.MultiHy.eu) and "Catalytic Advances through Sustainable Technologies (CASTech)" (www.centacat.qub.ac.uk/castech). Two current projects are  "Hydrogen in metals - from fundamentals to the design of new steels (HEmS)" (http://www.hems.ox.ac.uk) and "Designing Alloys for Resource Efficiency (DARE) (http://www.http://darealloys.org).

Videos

Two lectures on tight binding delivered at EPFL Lausanne, August 2015.

Lecture 1

Lecture 2

Hydrogenation of benzyle acetate. See it here at YouTube

Ring polymer molecular dynamics simulation of a single hydrogen atom in bcc iron at 100K. See it here at YouTube.

 

Selected Publications

Publications Repository

Google Scholar Publications List

A.T.Paxton and I.H.Katzarov, "Quantum and isotope effects on hydrogen diffusion, trapping and escape in iron," Acta Materialia, vol. 103, p. 71 (2016)

http://www.sciencedirect.com/science/article/pii/S1359645415007430

A.Y. Lozovoi, D.L. Pashov, T.J. Sheppard, J.J. Kohanoff and A.T. Paxton, "Universal tight binding model for chemical reactions in solution and at surfaces: III Stoichiometric and reduced surfaces of titania and the adsoption of water," J. Chem. Phys., vol. 141, art. 044505 (2014)

http://scitation.aip.org/content/aip/journal/jcp/141/4/10.1063/1.4890492

 

A. T. Paxton, "From quantum mechanics to the physical metallurgy of 
steels," paper presented at "Adventures in the Phyiscal Metallurgy of Steels," Cambridge, July 2013. Published in Materials 
Science and Technology,  vol. 30, pp. 1063-1070 (2014)

http://www.msm.cam.ac.uk/apms

http://arxiv.org/abs/1310.3778 

 

I. H. Katzarov, D. L. Pashov and A. T. Paxton, "Fully quantum mechanical calculation of the diffusivity of hydrogen in iron using the tight-binding approximation and path integral theory," Phys. Rev. B, vol 87, art. 054107 (2013)

http://link.aps.org/doi/10.1103/PhysRevB.88.054107

 

A. T. Paxton and C. Elsässer, "Analysis of a carbon dimer bound to a vacancy in iron using density functional theory and a tight binding model," Phys. Rev. B, vol 87, art. 224110 (2013)

http://link.aps.org/doi/10.1103/PhysRevB.87.224110

 

D. Dundas, B. Cunningham, C. Buchanan, A. Terasawa, A. T. Paxton and T. N. Todorov, "An ignition key for atomic-scale engines," J. Phys.: Condens. Matter (fast track commun.), vol 24., art. 402203 (2012)

http://dx.doi.org/10.1088/0953-8984/24/40/402203

 

A. T. Paxton and J. J. Kohanoff, "A tight binding model for water," J. Chem. Phys., vol 134, art. 044130 (2011)

http://dx.doi.org/10.1063/1.3523983

 

I. H. Katzarov and A. T. Paxton, "Is the pinning of ordinary dislocations in gamma-TiAl intrinsic or extrinsic in nature? A combined atomistic and kinetic Monte Carlo approach," Acta Materialia, vol 59, page 1281 (2011)

http://dx.doi.org/10.1016/j.actamat.2010.10.060

 

A. T. Paxton and C. Elsässer, "Electronic structure and total energy of interstitial hydrogen in iron: Tight-binding models," Phys. Rev. B, art. 235125 (2010)

http://link.aps.org/doi/10.1103/PhysRevB.82.235125

 

I. H. Katzarov and A. T. Paxton, "Microscopic Origin of Channeled Flow in Lamellar Titanium Aluminide", Phys. Rev. Letters, vol 104, art 225502 (2010)

http://link.aps.org/doi/10.1103/PhysRevLett.104.225502

 

A. T. Paxton, T. N. Todorov and A. M. Elena, "Ring currents in azulene," Chem. Phys. Letters, vol 483, page 154 (2009)

http://dx.doi.org/10.1016/j.cplett.2009.10.041

 

A. T. Paxton, "An Introduction to the Tight Binding Approximation: Implementation by Diagonalisation," in, "Multiscale Simulation Methods in Molecular Sciences," eds. J. Grotendorst, N. Attig, S. Blügel and D. Marx, NIC Series Volume 42, Institute for Advanced Simulation Jülich Supercomputing Centre, 2009. ISBN 978-3-9810843-8-2

http://webarchiv.fz-juelich.de/nic-series/volume42/volume42.html

http://webarchiv.fz-juelich.de/nic-series/volume42/paxton.pdf

 

A. T. Paxton and M. W. Finnis, "Magnetic tight binding and the iron-chromium enthalpy anomaly," Phys. Rev. B, vol 77, art. 024428 (2008)

http://link.aps.org/doi/10.1103/PhysRevB.77.024428

 

A. Y. Lozovoi, A. T. Paxton and M. W. Finnis, "Structural and chemical embrittlement of grain boundaries by impurities: A general theory and first-principles calculations for copper," Phys. Rev. B, vol 74, art. 155416 (2006)

http://dx.doi.org/10.1103/physRevB.74.155416

 

A. T. Paxton, "Theory of the near K-edge structure in electron energy loss spectroscopy," Journal Of Electron Spectroscopy And Related Phenomena, vol 143, page 51 (2005)

http://dx.doi.org/10.1016/j.elspec.2004.05.007

 

R. Schweinfest, A. T. Paxton and M. W. Finnis, "Bismuth embrittlement of copper is an atomic size effect," Nature, vol 432, No, 7020, page 1008 (2004)

http://dx.doi.org/10.1038/nature03198

Phd Vacancies

Applications are invited for research in the Theory & Simulation of Condensed Matter group.

To apply for the Physics MPhil/PhD  please fill in an application form  Further details and guidelines can be found here .

All relevant information regarding eligibility, including academic and English language requirements, is available from the online prospectus.

For further details contact  Professor Tony Paxton  and or the Postgraduate Tutor Dr Chris Lorenz.

 

 

 

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