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Derek W. Lawther

  • B.Sc., (Hon.), Dalhousie University, 1987
  • M.Sc., Dalhousie University, 1988
  • Ph.D., Dalhousie University, 1993
Associate Professor
(902) 566-0338
Research Interests: 
  • Investigation of the links between atomic-scale defects in materials and their corresponding macroscopic physical properties
  • Positron annihilation spectroscopy
  1. U. Myler, P.J. Simpson, D.W. Lawther and P.M. Rousseau, “On the Electrical Deactivation of Arsenic in Silicon", J. Vacuum Sci. Technology 15 (1997), 757-759.
  2. D.W. Lawther and P.J. Simpson, “Positron-beam techniques for materials characterization", Defect and Diffusion Forum 138-139 (1996), 1-18.
  3. D.W. Lawther, U. Myler, P.J. Simpson, P. Rousseau, P.B. Griffin and J.D. Plummer, “Vacancy generation resulting from electrical deactivation of arsenic", Appl. Phys. Lett. 67 (1995), 3575-3577.
  4. D.W. Lawther and R.A. Dunlap, “Positron annihilation study of equilibrium defects in Al-Cu-Fe FCI quasicrystals", Phys. Rev. B 49 (1994), 3183-3189.
  5. R.A. Dunlap and D.W. Lawther, “Applications of Mossbauer effect spectroscopy to the study of quasicrystalline materials", Material Science and Engineering R: Reports 10 (1993), 141-185.
Current Collaborators (non-UPEI): 
  • Prof. R.A. Dunlap (Dalhousie University)