He is an Australian experimental physicist and his research is focussed on using the electron microscope to study the microstructure of different materials.

His basic research centers around the development of quantitative High Resolution Transmission Electron Microscopy, aided by computer-controlled microscope operation and image simulation, which enables direct determination of atomic structure in defective materials.

His research also involves using electron-microscopy-based methods to characterize advanced materials such as semiconductor heterostructures, magnetic thin films and multilayers, and nanostructures.

Semiconductor systems of interest include ternary and quaternary Group III nitride alloys for light-emitting diodes and lasers, and II–VI alloys, such as mercury cadmium telluride for detectors of infra-red radiation.

Off-axis electron holography is a particularly powerful approach since it permits quantitative visualization of nanoscale electric and magnetic fields, and we are using the technique to investigate the magnetization behavior and fringing fields associated with patterned nanostructures.