Plasma research at UniSA: reconnecting the physics with the chemistry?
Date
2011
Authors
Whittle, J.
Steele, D.
Michelmore, A.
Short, R.
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Journal article
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Australian Physics, 2011; 48(5):143-148
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Abstract
Researchers at the University of South Australia are conducting research to demonstrate the way the physical and chemical properties of plasmas are inter-connected. Investigations have demonstrated that plasma polymerization is a gas-phase process in which a substrate is exposed to electrically-driven plasma formed from a gaseous precursor. The researchers have demonstrated that reactive radicals and neutral species of plasmas remain close to room temperature and are out of equilibrium with the electrons due to their higher mass, ions. Researchers at the university are employing a variety of diagnostics including ion flux probes, Langmuir probes, mass spectrometers, and quartz crystal microbalance (QCMB) to provide direct measurements of the properties of polymerizing plasmas. These measurements are also being supported by traditional surface analysis techniques, such as XPS, AFM, and ToF-SIMS for characterizing the deposited plasma polymer films.
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Copyright 2011 Australian Institute of Physics