Development and implementation of environmental photoelectron yield spectroscopy

Shanley, Toby William

Development and implementation of environmental photoelectron yield spectroscopy

Shanley, Toby William

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Publication Type:: Thesis
Issue Date:: 2017

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Field	Value	Language
dc.contributor.author	Shanley, Toby William
dc.date.accessioned	2017-04-06T01:32:27Z
dc.date.available	2017-04-06T01:32:27Z
dc.date.issued	2017
dc.identifier.uri	http://hdl.handle.net/10453/90270
dc.description	University of Technology Sydney. Faculty of Science.	en_AU
dc.description.abstract	Environmental photoelectron yield spectroscopy (EPYS) is a novel, low vacuum, surface analysis technique that probes the electronic structure of solid-gas interfaces. Unlike its conventional, ultra high vacuum counterparts that interrogate ideal surfaces in non-realistic conditions, EPYS enables real-time characterisation of dynamic surface processes in semi-realistic, reactive gaseous environments. This capability is a requirement for the technological progress and fundamental understanding of processes in nanotechnology, materials physics, chemistry and bio-sciences. The system has been built and implemented from the outset of its existence at UTS. This project has contributed to the development of EPYS, and further developed a number of novel applications. Specifically, its application in elucidating the nature of four, fundamentally different physical phenomena is demonstrated. The thesis describes the origins of EPYS in ultra high vacuum photoelectron emission spectroscopy and the theoretical groundwork on which it is based. It also details the EPYS development, and demonstrates applications of the EPYS in the analysis of gas ionisation cascades, subsurface defects, surface termination, and adsorbate coverage. The value of this study is partly in the instrumentation development itself, but also in the demonstration of its application in studies of material systems responding to their environments.	en_AU
dc.format	Thesis (PhD)
dc.language.iso	en_AU	en_AU
dc.relation	https://opus.lib.uts.edu.au/bitstream/10453/90270/2/02whole.pdf
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	au.edu.uts.lib/ppc
dc.rights	The author owns the copyright in this thesis including all reproduction and reuse rights for the work. The work may not be altered without the permission of the copyright owner. Attribution is essential when quoting or paraphrasing from this thesis.
dc.subject	Environmental photoelectron yield spectroscopy (EPYS)	en
dc.subject	Ultra high vacuum photoelectron emission spectroscopy.	en
dc.subject	Gas ionisation cascades.	en
dc.subject	Subsurface defects.	en
dc.subject	Surface termination.	en
dc.subject	Adsorbate coverage.	en
dc.title	Development and implementation of environmental photoelectron yield spectroscopy	en_AU
dc.type	Thesis	en_AU
utslib.copyright.status	open_access

Abstract:

Environmental photoelectron yield spectroscopy (EPYS) is a novel, low vacuum, surface analysis technique that probes the electronic structure of solid-gas interfaces. Unlike its conventional, ultra high vacuum counterparts that interrogate ideal surfaces in non-realistic conditions, EPYS enables real-time characterisation of dynamic surface processes in semi-realistic, reactive gaseous environments. This capability is a requirement for the technological progress and fundamental understanding of processes in nanotechnology, materials physics, chemistry and bio-sciences. The system has been built and implemented from the outset of its existence at UTS. This project has contributed to the development of EPYS, and further developed a number of novel applications. Specifically, its application in elucidating the nature of four, fundamentally different physical phenomena is demonstrated. The thesis describes the origins of EPYS in ultra high vacuum photoelectron emission spectroscopy and the theoretical groundwork on which it is based. It also details the EPYS development, and demonstrates applications of the EPYS in the analysis of gas ionisation cascades, subsurface defects, surface termination, and adsorbate coverage. The value of this study is partly in the instrumentation development itself, but also in the demonstration of its application in studies of material systems responding to their environments.

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http://hdl.handle.net/10453/90270