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Astrophysics

Positrons and Dust Grains

Positron emitters are embedded in clouds of dust grains produced by supernova. This project will explore the transport of positrons in dust grains using Monte-Carlo techniques to improve our understanding of positron transport in an astrophysically relevant setting.

Dr Joshua Machacek, Dr Daniel Murtagh

Atomic and Molecular Physics

Electron scattering in a magnetic field

A novel approach to low energy electron experiments has been developed, using strong magnetic fields to confine the electron beam. This project will further develop a new apparatus towards making important measurements of scattering cross sections.

A/Prof. James Sullivan, Dr Joshua Machacek

Positrons and Dust Grains

Positron emitters are embedded in clouds of dust grains produced by supernova. This project will explore the transport of positrons in dust grains using Monte-Carlo techniques to improve our understanding of positron transport in an astrophysically relevant setting.

Dr Joshua Machacek, Dr Daniel Murtagh

Fragmentation of molecules by positronium

Positronium is a bound state between an electron and a positron. It is hydrogen-like with a binding energy half that of hydrogen. Positronium has been found to scatter like an electron for the same velocity. Electrons can fragment molecules by temporary attaching leading to fragmentation. This project will explore the fragmentation of molecules in positronium scattering with molecules.

Dr Joshua Machacek, A/Prof. James Sullivan, Professor Stephen Buckman

Benchmark positron scattering experiments

Using the atomic and molecular physics positron beam at the ANU, the student will undertake measurements of positron scattering from simple targets, providing high accuracy data to test recent theoretical calculations.

A/Prof. James Sullivan, Professor Stephen Buckman, Dr Joshua Machacek

Positron applications in medical physics

This is a multi-faceted project which can be adapted to students at the honours level and above. A number of possibilities exist to perform experiments directed towards improving the use of positrons in medice, mostly focussed on Positron Emission Tomography (PET).

A/Prof. James Sullivan, Professor Stephen Buckman, Dr Joshua Machacek

Biophysics

Positron applications in medical physics

This is a multi-faceted project which can be adapted to students at the honours level and above. A number of possibilities exist to perform experiments directed towards improving the use of positrons in medice, mostly focussed on Positron Emission Tomography (PET).

A/Prof. James Sullivan, Professor Stephen Buckman, Dr Joshua Machacek

Clean Energy

Application of data-mining techniques to plasma waves in H-1 and other stellarators

Datamining techniques extract information from H-1 and other devices, essential to understanding instabilities that threaten the viability of fusion as the ultimate clean energy source.

Dr Boyd Blackwell, Dr Clive Michael

Fusion and Plasma Confinement

Radiofrequency wave propagation and heating in the MAGPIE plasma-materials interaction devices.

Radiofrequency waves launched from a helicon antenna produce high density plasma for materials studies in the MAGPIE devices. The dispersion of  will be investigated experimentally, and compared with theory and simulations.  Outcomes could include optimisation of the plasma density generated or ideas for improved antenna designs.

Dr Boyd Blackwell, Dr Cormac Corr, Dr Clive Michael

Application of data-mining techniques to plasma waves in H-1 and other stellarators

Datamining techniques extract information from H-1 and other devices, essential to understanding instabilities that threaten the viability of fusion as the ultimate clean energy source.

Dr Boyd Blackwell, Dr Clive Michael

Turbulence and Particle transport in linear and toroidal magnetic geometries

Turbulence is known to affect the plasma in toroidal magnetic confinement devices for fusion, and linear magnetic devices. This project involves the use of langmuir probes on both the H-1 and MAGPIE devices for evaluating the total and fluctuation-induced particle flux and address fundamental physics of turbulence in these devices.

Dr Clive Michael, Dr Boyd Blackwell

Diagnosing plasma-surface interactions under fusion-relevant conditions

This project involves studying the complex plasma-surface interaction region of a fusion-relevant plasma environment through laser-based and spectroscopic techniques.

Dr Cormac Corr

Nano-bubble formation in fusion relevant materials

Fusion energy promises millions of years of clean energy, but puts extreme stress on materials. This research will resolve scientific issues surrounding plasma-material interactions to guide and facilitate development of future advanced materials for fusion reactors.

Dr Cormac Corr, A/Prof Patrick Kluth, Mr Matt Thompson

Materials Science and Engineering

Diagnosing plasma-surface interactions under fusion-relevant conditions

This project involves studying the complex plasma-surface interaction region of a fusion-relevant plasma environment through laser-based and spectroscopic techniques.

Dr Cormac Corr

Nano-bubble formation in fusion relevant materials

Fusion energy promises millions of years of clean energy, but puts extreme stress on materials. This research will resolve scientific issues surrounding plasma-material interactions to guide and facilitate development of future advanced materials for fusion reactors.

Dr Cormac Corr, A/Prof Patrick Kluth, Mr Matt Thompson

Plasma Applications and Technology

Radiofrequency wave propagation and heating in the MAGPIE plasma-materials interaction devices.

Radiofrequency waves launched from a helicon antenna produce high density plasma for materials studies in the MAGPIE devices. The dispersion of  will be investigated experimentally, and compared with theory and simulations.  Outcomes could include optimisation of the plasma density generated or ideas for improved antenna designs.

Dr Boyd Blackwell, Dr Cormac Corr, Dr Clive Michael

Plasma-liquid interactions

Plasma–liquid interactions are an important topic in the field of plasma science and technology. The interaction of non-equilibrium plasmas with a liquid have many important applications ranging from environmental remediation to material science and health care.

Dr Cormac Corr

Physics of pulsed negative ion plasmas

This project is concerned with studying pulsed electronegative plasmas which can open new frontiers for both basic and applied studies. 

Dr Cormac Corr

Turbulence and Particle transport in linear and toroidal magnetic geometries

Turbulence is known to affect the plasma in toroidal magnetic confinement devices for fusion, and linear magnetic devices. This project involves the use of langmuir probes on both the H-1 and MAGPIE devices for evaluating the total and fluctuation-induced particle flux and address fundamental physics of turbulence in these devices.

Dr Clive Michael, Dr Boyd Blackwell

Updated:  17 August 2017/ Responsible Officer:  Head of Department/ Page Contact:  Physics Webmaster