Biography

Acting Chair, Physics; Associate Professor


BSc, MSc, PhD (Dalhousie)



Dr. Derek Lawther, an experimental physicist, uses positron annihilation to identify defects in materials such as metals. He probes for defects at the atomic level and works to understand better how to manipulate these defects to produce enhanced physical properties such as increased strength or conductivity.

Recent Publications

Research Classification

  • No classification given

Research Interests

  • Investigation of the links between atomic-scale defects in materials and their corresponding macroscopic physical properties
  • Positron annihilation spectroscopy
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