The project aims at establishing the possibilities of high-energy electron scattering in the analysis of thin layers. 

Auger electrons are emitted after nuclear decay and are used for medical purposes. The number of Auger electrons generated per nuclear decay is not known accurately, a fact that  hinders medical applications.  This project aims to obtain a experimental estimate of the number of Auger electrons emitted per nuclear decay.

We are using semiconductor nanowire arrays to engineer neuronal networks to develop neural patches to assist patients with neurological disorders in the long term.

This project aims to investigate how the mechnical properties of plant cells change with 'poking' from an external source. In nature the poking is by a pathogen. We mimic this effect with a diamond tip.

This is an all-encompassing program to integrate highly sophisticated theoretical modelling, material growth and nanofabrication capabilities to develop high performance semiconductor nanowire array solar cells. It will lead to understanding of the underlying photovoltaic mechanisms in nanowires and design of novel solar cell architectures.

There is an imminent need to reduce our dependence on carbon-based fuels in order to minimize the
potential adverse outcomes associated with climate change. This project aims to develop an efficient means of producing clean hydrogen fuel by splitting water under sunlight using novel hematite based semiconductor electrodes for efficient solar hydrogen generation.

In this project, we will characterise actual device solar cell structures with electron microscopy techniques and seek to understand the microscopic effects behind the device performance and reliability

Simplify nanowire solar cell fabrication by eliminating the need for p-n junctions to increase the ultimate device efficiency.

This projects combines ion implantation and deep level transient spectroscopy to study electrically active deep level defects in wide bandgap semiconductors.

The project aims at establishing the possibilities of high-energy electron scattering in the analysis of thin layers. 

Traditional high-pressure studies have opted to avoid the creation of shear by the use of local gas and liquid enviroments. However, we have recently shown that shear is key to formation of an new form of diamond.

Uniform composition and tunability over the emission wavelength of ternary nanowires is an important challenge for nanowire growth. Growth of nanowires combined with a range of characterisation techniques including electron microscopy will be used for this project. PhD studentships currently available. 

Study the formation and stability of high energy ion tracks in minerals under controlled environments with importance for geological dating techniques.

Development of novel composite nanopore membranes.

This project will combine experimental work, computer simulation and modelling to investigate the physical processes underpinning resistive switching in transition metal oxides (e.g. Ta₂O₅, HfO_2, Nb₂O₅ and NbO₂) and to explore its application in future non-volatile memory (i.e. ReRAM) devices.

Investigate the fascinating porous structures of ion irradiated GaSb and InSb

High pressure diamond anvil cells often use a gas or salt solids a form of pressure medium. However, the effect of being squeezed with such materials is unknown for many systems including the novel forms of amorphous silicon, germanium and carbon studied by this ANU-based group.

Scanning electron microscopy is a powerful tool for materials and this method is believed to correctly identify depletion regions in semiconductor devices. This project links the electron microscopy contrast  to the depletion regions measured by capacitance-voltage measurements in some devices with an aim to understanding the source of contrast. 

This projects combines ion implantation and deep level transient spectroscopy to study electrically active deep level defects in wide bandgap semiconductors.

Interest in biomimetic computing has led to interest in an excting new range of of solid-state neurons and synapses based on non-volatile resistive-switching and volatile threshold-switching in metal-oxide thin films.  This project will explore the operation and functionality of these new devices.

This project aims to investigate how the mechnical properties of plant cells change with 'poking' from an external source. In nature the poking is by a pathogen. We mimic this effect with a diamond tip.

In this project, we will characterise actual device solar cell structures with electron microscopy techniques and seek to understand the microscopic effects behind the device performance and reliability

The equilibrium shape of voids or crystals is largely influenced by the total surface energies encompassing these 3D objects. This aim of this project is to extract the surface energies of different planes from transmission electron microscopy images of faceted voids and nanowires.

This project is supported by an ARC Linkage project with a US nanoindentation company who is very keen to work with our group to develop this new capability in 2018/19.

Simplify nanowire solar cell fabrication by eliminating the need for p-n junctions to increase the ultimate device efficiency.

Development of nanowire LEDs for small, robust and highly portable UV sources.

This project aims to investigate the growth of III-V semiconductors on pre-patterned nanotemplates. By using different shapes and geometries, it is envisaged that these nanostructures will provide novel architectures for advanced, next generation optoelectronic devices.

This project investigates the structure and density of defects created in 2D materials by energetic ion irradiation, and studies how such defects affect the physical properties of this important class of materials.

This is an all-encompassing program to integrate highly sophisticated theoretical modelling, material growth and nanofabrication capabilities to develop high performance semiconductor nanowire array solar cells. It will lead to understanding of the underlying photovoltaic mechanisms in nanowires and design of novel solar cell architectures.

In this project we aim to design and demonstrate  III-V compound semiconductor based quantum well nanowire light emitting devices with wavelength ranging from 1.3 to 1.6 μm for optical communication applications.

Uniform composition and tunability over the emission wavelength of ternary nanowires is an important challenge for nanowire growth. Growth of nanowires combined with a range of characterisation techniques including electron microscopy will be used for this project. PhD studentships currently available. 

Study the formation and stability of high energy ion tracks in minerals under controlled environments with importance for geological dating techniques.

Development of novel composite nanopore membranes.

This project will combine experimental work, computer simulation and modelling to investigate the physical processes underpinning resistive switching in transition metal oxides (e.g. Ta₂O₅, HfO_2, Nb₂O₅ and NbO₂) and to explore its application in future non-volatile memory (i.e. ReRAM) devices.

Investigate the fascinating porous structures of ion irradiated GaSb and InSb

We are using semiconductor nanowire arrays to engineer neuronal networks to develop neural patches to assist patients with neurological disorders in the long term.

There is an imminent need to reduce our dependence on carbon-based fuels in order to minimize the
potential adverse outcomes associated with climate change. This project aims to develop an efficient means of producing clean hydrogen fuel by splitting water under sunlight using novel hematite based semiconductor electrodes for efficient solar hydrogen generation.

This project aims to investigate the concepts and strategies required to produce electrically injected semiconductor nanowire lasers by understanding light interaction in nanowires, designing appropriate structures to inject current, engineer the optical profile and developing nano-fabrication technologies. Electrically operated nanowire lasers would enable practical applications in nanophotonics.

Scanning electron microscopy is a powerful tool for materials and this method is believed to correctly identify depletion regions in semiconductor devices. This project links the electron microscopy contrast  to the depletion regions measured by capacitance-voltage measurements in some devices with an aim to understanding the source of contrast. 

Develop and utilise computer simulations to analyse synchrotron based scattering from nano-sized objects.

Interest in biomimetic computing has led to interest in an excting new range of of solid-state neurons and synapses based on non-volatile resistive-switching and volatile threshold-switching in metal-oxide thin films.  This project will explore the operation and functionality of these new devices.

The equilibrium shape of voids or crystals is largely influenced by the total surface energies encompassing these 3D objects. This aim of this project is to extract the surface energies of different planes from transmission electron microscopy images of faceted voids and nanowires.

Semiconductor nanowires are emerging nano-materials with substantial opportunities for novel photonic and electronic device applications. This project aims at developing a new generation of high performance NW based photodetectors for a wide range of applications.

The project aims to investigate compound semiconductor micro-ring lasers on silicon substrates using selective area growth to engineer the shape of the lasing cavity at the nano/micro-scale. This project will open up new doors to the industry since an integrated laser which is reliable, efficient and easily manufacturable is still elusive in Si photonics.

Development of nanowire LEDs for small, robust and highly portable UV sources.

This project aims to investigate the growth of III-V semiconductors on pre-patterned nanotemplates. By using different shapes and geometries, it is envisaged that these nanostructures will provide novel architectures for advanced, next generation optoelectronic devices.

This project investigates the structure and density of defects created in 2D materials by energetic ion irradiation, and studies how such defects affect the physical properties of this important class of materials.

Auger electrons are emitted after nuclear decay and are used for medical purposes. The number of Auger electrons generated per nuclear decay is not known accurately, a fact that  hinders medical applications.  This project aims to obtain a experimental estimate of the number of Auger electrons emitted per nuclear decay.

In this project we aim to design and demonstrate  III-V compound semiconductor based quantum well nanowire light emitting devices with wavelength ranging from 1.3 to 1.6 μm for optical communication applications.

This project aims to investigate the concepts and strategies required to produce electrically injected semiconductor nanowire lasers by understanding light interaction in nanowires, designing appropriate structures to inject current, engineer the optical profile and developing nano-fabrication technologies. Electrically operated nanowire lasers would enable practical applications in nanophotonics.

Semiconductor nanowires are emerging nano-materials with substantial opportunities for novel photonic and electronic device applications. This project aims at developing a new generation of high performance NW based photodetectors for a wide range of applications.

The project aims to investigate compound semiconductor micro-ring lasers on silicon substrates using selective area growth to engineer the shape of the lasing cavity at the nano/micro-scale. This project will open up new doors to the industry since an integrated laser which is reliable, efficient and easily manufacturable is still elusive in Si photonics.

Develop and utilise computer simulations to analyse synchrotron based scattering from nano-sized objects.