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Electrical Contacts to Semiconductors: A Microcosm of Materials Science and Engineering
To understand and engineer contacts for electronic devices, we apply knowledge
of thermodynamics, kinetics, processing, microscopy, spectroscopy, solid-state
theory, and electrical characterization. In this presentation, I review our work on
contacts to III-V semiconductors, including arsenides, antimonides, phosphides,
and nitrides of aluminium, gallium, and indium.

Examples will be chosen to illustrate how contact metallurgy and processing conditions can be selected to control the Schottky barrier height and doping near the metal/semiconductor interface, which is crucial for controlling contact resistance. We also discuss how to design shallow and thermally stable contacts.

Nov 24, 2021 12:00 PM in Canberra, Melbourne, Sydney

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