Studying Molecular Dynamics with Electron and Laser Interactions. We plan to use state-of-the-art experimental techniques and methodologies to probe the dynamics of molecular processes stimulated by either laser or electron interactions. These processes are fundamental to our understanding of both natural phenomena and many devices used in the technology of today and of the future. As a result of this study our insight into the mechanisms underpining these phenomena and devices will be enhanced.
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0219618
Funder
Australian Research Council
Funding Amount
$215,000.00
Summary
National Facility for Advanced Molecular Orbital Imaging. We will develop a new two-dimensional multiparameter high-resolution electron momentum spectroscopy (EMS) spectrometer that incorporates multiparameter data acquisition and reduction techniques and combine it with a new time of flight (TOF) ion-analyser in order to perform the first high-resolution EMS with oriented target experiments.
In conjunction with theoretical calculations, the results from these experiments will provide the most ....National Facility for Advanced Molecular Orbital Imaging. We will develop a new two-dimensional multiparameter high-resolution electron momentum spectroscopy (EMS) spectrometer that incorporates multiparameter data acquisition and reduction techniques and combine it with a new time of flight (TOF) ion-analyser in order to perform the first high-resolution EMS with oriented target experiments.
In conjunction with theoretical calculations, the results from these experiments will provide the most advanced evaluation for molecular orbital imaging quality for the chemically significant targets we wish to study. This in turn will lead to the determination of more accurate physico-chemical information, including structure and bonding information, for these targets.Read moreRead less
Cross sections for electron scattering from molecules and radicals of technological and environmental relevance. We will use two state of the art crossed beam spectrometers to measure absolute differential and integral cross sections for low energy electron scattering from molecules and their molecular fragments (radicals). The species to be considered are those of significant industrial (e.g. C2F4, C4F8 and CF2) and environmental (e.g. CO2 and H2O) interest, with the cross sections we will mea ....Cross sections for electron scattering from molecules and radicals of technological and environmental relevance. We will use two state of the art crossed beam spectrometers to measure absolute differential and integral cross sections for low energy electron scattering from molecules and their molecular fragments (radicals). The species to be considered are those of significant industrial (e.g. C2F4, C4F8 and CF2) and environmental (e.g. CO2 and H2O) interest, with the cross sections we will measure being crucial to our modelling both the processes involved in plasma enhanced chemical vapour desposition of semiconductor devices and the spectral emission characteristics of planetary atmospheres. The modelling will be conducted self-consistently with our enhanced statistical equilibrium simulation code, which is unique to Australia.Read moreRead less
Environmental and Technological Applications of Electron-Driven Processes. We plan to use state-of-the-art experimental techniques and methodologies for the measurement of collision cross sections and reaction rates for low energy electron-driven process in molecules and molecular radicals. These processes are fundamental to our understanding of our environment and many devices used in the technology of today and of the future. In particular we will provide accurate cross sections for NOx and SO ....Environmental and Technological Applications of Electron-Driven Processes. We plan to use state-of-the-art experimental techniques and methodologies for the measurement of collision cross sections and reaction rates for low energy electron-driven process in molecules and molecular radicals. These processes are fundamental to our understanding of our environment and many devices used in the technology of today and of the future. In particular we will provide accurate cross sections for NOx and SOx pollutants and H2O, as well for molecules such as C4F8, and its radicals such as CF2, which are used extensively in plasma processing technologies.Read moreRead less
Negative ion mass spectrometry: fundamentals and applied applications. 1. We seek to establish negative ion mass spectrometry as a major technological tool for the sequencing of peptides and proteins. In this context, we will investigate the structures and modes of action of peptide complexes which may be of importance for the treatment and control of heart disease and stroke.
2. Negative ions of known structure will be converted (in the mass spectrometer) into transient (and reactive) molecule ....Negative ion mass spectrometry: fundamentals and applied applications. 1. We seek to establish negative ion mass spectrometry as a major technological tool for the sequencing of peptides and proteins. In this context, we will investigate the structures and modes of action of peptide complexes which may be of importance for the treatment and control of heart disease and stroke.
2. Negative ions of known structure will be converted (in the mass spectrometer) into transient (and reactive) molecules which are present in interstellar ice and dust clouds. The structures and chemistry of such molecules are of importance in understanding the origins of life on this planet.Read moreRead less
Laser Diagnostics of Soot Formation in Precessing Jet Flames. In many practical combustion systems (e.g., boiler furnaces and rotary kilns), flame radiation is the major contributor to the required heat transfer. Soot formation is a means of enhancing flame radiation provided the soot is completely oxidised within the flame so that there are no soot emissions. The enhanced flame radiation can have a significant economic and environmental impact on plant operation (changes to the parameters tha ....Laser Diagnostics of Soot Formation in Precessing Jet Flames. In many practical combustion systems (e.g., boiler furnaces and rotary kilns), flame radiation is the major contributor to the required heat transfer. Soot formation is a means of enhancing flame radiation provided the soot is completely oxidised within the flame so that there are no soot emissions. The enhanced flame radiation can have a significant economic and environmental impact on plant operation (changes to the parameters that influence soot formation can also influence NOx and greenhouse gas emissions). The objectives of this project are to identify and quantify the operating parameters that influence soot formation and destruction in such flames.Read moreRead less
The formation of negative ions and neutrals in the gas phase. Structure, reactivity and mechanism. Mass spectrometry is an analytical technique used to provide information concerning the structure of a chemical compound: it is particularly useful when dealing with small amounts of biologically important molecules. It is also a facility in which charged species can be converted into transient neutrals. This project will (i) produce information about negative ion fragmentations in order to extend ....The formation of negative ions and neutrals in the gas phase. Structure, reactivity and mechanism. Mass spectrometry is an analytical technique used to provide information concerning the structure of a chemical compound: it is particularly useful when dealing with small amounts of biologically important molecules. It is also a facility in which charged species can be converted into transient neutrals. This project will (i) produce information about negative ion fragmentations in order to extend the applicability of analytical negative-ion mass spectrometry, (ii) form neutral molecules and related species which are found in stellar dust clouds and investigate their chemistry, and (iii) train graduates in ion chemistry to the highest international standards.Read moreRead less
Cumulenes and Heterocumulenes - Stellar Molecules and New Materials. This project involves the formation and characterisation of transient neutrals (formed in the mass spectrometer by neutralisation of charged precursor ions) which are either found in stellar dust clouds, or related molecules which may be either potential stellar molecules or have importance in the development of new materials. This work may lead to a better understanding of how biomolecules are formed in interstellar environs. ....Cumulenes and Heterocumulenes - Stellar Molecules and New Materials. This project involves the formation and characterisation of transient neutrals (formed in the mass spectrometer by neutralisation of charged precursor ions) which are either found in stellar dust clouds, or related molecules which may be either potential stellar molecules or have importance in the development of new materials. This work may lead to a better understanding of how biomolecules are formed in interstellar environs. The Adelaide and Berlin groups are internationally known, already with ongoing collaboration. This application seeks to extend the scope of this world-class research, and to train the premier graduate students in astrochemistry.Read moreRead less