Dr Gregory Thomas Owen

Dr Gregory Owen MPhys, Ph.D

Senior Lecturer

Swansea

Tel: +44 (0) 1792 48100
E-mail: gregory.owen@uwtsd.ac.uk

Greg Owen

Teaching and Learning, Research

Obtained an undergraduate Masters degree in Physics before completing a Ph.D in Spectroscopic, Electrical and Morphological analysis of Nano-Crystalline Gas Sensors.

Post doctoral research appointments in the areas of Grain Boundary Engineering of Sigma 3 and Special Grain Boundaries including a sabbatical to the University of Ferrara, Italy.

Gained qualified teaching status and teaching appointments in secondary, FE and HE settings.

Working towards achieving HEA status, CEng, CPhys

Teaching interests include:

  • Materials & Manufacturing
  • Material & Introduction to Manufacturing
  • Manufacturing, Design & Technology
  • Advanced Processes and Materials
  • Structures and Properties of Materials
  • Materials in Service
  • Medical Engineering
  • Bio-Mechanics

Research Interests:

  • Grain Boundary Engineering
  • Characterisation of Nano-Crystalline materials and their responses to oxidising and reducing gases
  • Correlation of electronic properties with nanoscale morphological variations measured by SPM on semiconductor devices
  • Pedagogical techniques used in Undergraduate Engineering
  • Time evolution of Σ 3 annealing twins in secondary re-crystallisation
  • Five-parameter analysis and grain boundary distribution of commercially grain boundary engineered materials
  • Medical Engineering

[1]          Jones R, Owen G and Randle V, Carbide precipitation and grain boundary plane selection in overaged type 316 austenitic stainless steel. Submitted to Mater. Sci. Eng.

[2]          Randle V., Rohrer G.S., Miller H.M, Coleman M. and Owen G.T., Five-parameter grain boundary distribution of commercially grain boundary engineered nickel and copper, Acta Mater., in press.

[3]          Randle V. and Owen G.T. (2007) A comparison of grain boundary engineering mechanisms in copper and brass. Invited paper, Thermec, Vancouver, Trans. Tech. Publications, 539-543, 3365-3370.

[4]          Randle V., Coleman M. and Owen G.T., (2007) Evolution of the grain boundary network as a consequence of deformation and annealing. Fundamentals of deformation and annealing, invited paper,  Manchester, Mater. Sci. Forum, 550, 35-44.

[5]          Randle V., Rohrer G., Owen G.T. (2006)   The role of the boundary plane in grain boundary engineering, invited paper, 12th Int. Symp. On Plasticity and its current applications, Nova Scotia, Ed. A.S. Khan and R. Kazmi, 307-309.

[6]          Owen GT and Randle V, (2006) On the role of iterative processing in grain boundary engineering, Scripta Mater., 55, 959-962.

[7]          Randle V. and Owen G.T. (2006) Mechanisms of grain boundary engineering, Acta Mater, 54, 1777-1783.

[8]          Booth M., Randle V. and Owen G., (2005) Time evolution of Σ 3 annealing twins in secondary recrystallised nickel, J. Micros., 217, 162-166.

[9] T.G.G. Maffeis, G.T. Owen, M.W. Penny, T.K.H. Starke, S.A. Clark, H. Ferkel, and S.P. Wilks, Nano-crystalline SnO2 gas sensor response to O-2 and CH4 at elevated temperature investigated by XPS. Surface Science 520 (2002) 29-34.

[10] P.R. Dunstan, T.G.G. Maffeis, M.P. Ackland, G.T. Owen, and S.P. Wilks, The correlation of electronic properties with nanoscale morphological variations measured by SPM on semiconductor devices. Journal of Physics-Condensed Matter 15 (2003) S3095-S3112.

[11] C. Malagu, M.C. Carotta, H. Fissan, V. Guidi, M.K. Kennedy, F.E. Kruis, G. Martinelli, T.G.G. Maffeis, G.T. Owen, and S.P. Wilks, Surface state density decrease in nanostructured polycrystalline SnO2: modelling and experimental evidence. Sensors and Actuators B-Chemical 100 (2004) 283-286

[12] T.G.G. Maffeis, G.T. Owen, M. Penny, H.S. Ferkel, and S.P. Wilks, STM patterning of SnO2 nanocrystalline surfaces. Applied Surface Science 234 (2004) 2-10.

[13] T.G.G. Maffeis, C.T. Owen, and S.P. Wilks, Room temperature and elevated temperature characterization of nanocrystalline SnO2 surfaces by scanning tunnelling microscopy and spectroscopy. International Journal of Nanoscience, Vol 3, Nos 4 and 5 3 (2004) 519-524.

[14] T.G.G. Maffeis, A. Penny, K.S. Teng, S.P. Wilks, H.S. Ferkel, and G.T. Owen, Macroscopic and microscopic investigations of the effect of gas exposure on nanocrystalline SnO2 at elevated temperature. Applied Surface Science 234 (2004) 82-85.

[15] C. Malagu, M.C. Carotta, S. Galliera, V. Guidi, T.G.G. Maffeis, G. Martinelli, G.T. Owen, and S.P. Wilks, Evidence of bandbending flattening in 10 nm polycrystalline SnO2. Sensors and Actuators B-Chemical 103 (2004) 50-54.

[16] T.G.G. Maffeis, G.T. Owen, C. Malagu, G. Martinelli, M.K. Kennedy, F.E. Kruis, and S.P. Wilks, Direct evidence of the dependence of surface state density on the size of SnO2 nanoparticles observed by scanning tunnelling spectroscopy. Surface Science 550 (2004) 21-25.

[17] S.P. Wilks, T.G.G. Maffeis, G.T. Owen, K.S. Teng, M.W. Penny, and H. Ferkel, Charge writing on the nanoscale: From nanopatterning to molecular docking. Journal of Vacuum Science & Technology B 22 (2004) 1995-1999.