Development of inert gas ion beams for fabrication of nano-structures. This project will develop a high brightness, high density ion beam for reactive fabrication of structures with dimensions of the order of and less than 100 nano-metres. Present systems use liquid metal ion sources which can pollute the substrates being fabricated. Use of inert gas ions will overcome this problem and lead to a new type of ion source to replace the older systems. Added advantages include significantly increased ....Development of inert gas ion beams for fabrication of nano-structures. This project will develop a high brightness, high density ion beam for reactive fabrication of structures with dimensions of the order of and less than 100 nano-metres. Present systems use liquid metal ion sources which can pollute the substrates being fabricated. Use of inert gas ions will overcome this problem and lead to a new type of ion source to replace the older systems. Added advantages include significantly increased lifetime much higher reproducibility. Our commercial collaborator, FEI Company, estimate the world market as being $US100,000,000 and will actively promote this technology worldwide when it is fully developed.Read moreRead less
High efficiency III-V solar cells based on low-dimensional quantum confined heterostructures. There is no doubt that clean and sustainable solar energy is one of the most viable energy sources to address the issues of climate change, global warming and depletion of conventional energy sources. With the great advantages offered by quantum confined nanostructures and nanotechnology, this project may lead to substantial efficiency improvement of current III-V solar cells (already higher efficiency ....High efficiency III-V solar cells based on low-dimensional quantum confined heterostructures. There is no doubt that clean and sustainable solar energy is one of the most viable energy sources to address the issues of climate change, global warming and depletion of conventional energy sources. With the great advantages offered by quantum confined nanostructures and nanotechnology, this project may lead to substantial efficiency improvement of current III-V solar cells (already higher efficiency than Si solar cells), making great contribution to the society and Nation in the areas of science, technology, environment, and economy.Read moreRead less
Band gap engineering of novel (In,Ga)SbN epitaxial semiconductors for high-performance long-wavelength optoelectronic devices. This proposal is at the forefront of a number of important fields, and therefore the outcomes are expected to be of great interest to a broad spectrum of industry sectors, including national defence, health care, environment and manufacturing. This novel material system could create new high technologies for various infrared devices. The outcomes of this project will pos ....Band gap engineering of novel (In,Ga)SbN epitaxial semiconductors for high-performance long-wavelength optoelectronic devices. This proposal is at the forefront of a number of important fields, and therefore the outcomes are expected to be of great interest to a broad spectrum of industry sectors, including national defence, health care, environment and manufacturing. This novel material system could create new high technologies for various infrared devices. The outcomes of this project will position Australian researchers among the pioneering groups in this area and will be beneficial to several major technology-related fields: global warming and associated environmental monitoring, security systems, thermal-imaging systems for night vision, and healthcare with the emphasis on disease diagnosis and treatment.Read moreRead less
Dopants, defects and related issues in Zinc Oxide. ZnO is a promising semiconductor for optoelectronic devices namely green, blue, ultraviolet (UV) and white light emitting diodes (LEDs) and ultimately UV lasers. It can also act as a transparent conductive oxide which has applications in flat panel displays and photovoltaic devices. Because of these potential applications, ZnO is the 'hottest' semiconductor with abounding literature and four new international conferences organised on progress in ....Dopants, defects and related issues in Zinc Oxide. ZnO is a promising semiconductor for optoelectronic devices namely green, blue, ultraviolet (UV) and white light emitting diodes (LEDs) and ultimately UV lasers. It can also act as a transparent conductive oxide which has applications in flat panel displays and photovoltaic devices. Because of these potential applications, ZnO is the 'hottest' semiconductor with abounding literature and four new international conferences organised on progress in this research area in recent years. This project is an excellent opportunity for Australia to increase its strength in optoelectronic device research and to provide an understanding of some fundamental issues in doping, defect formation, diffusion and annihilation in ZnO.Read moreRead less
Nanocavities in Si - Structural Evolution and Metal Gettering. Nanocavities represent a novel means of minimising metallic contamination in the active region of Si microelectronic devices. We propose innovative experiments, using in-situ transmission electron microscopy and synchrotron-based x-ray methods, to achieve a fundamental understanding of the processes that govern nanocavity structural evolution and metallic impurity trapping. We seek to develop a patentable technology to enhance impu ....Nanocavities in Si - Structural Evolution and Metal Gettering. Nanocavities represent a novel means of minimising metallic contamination in the active region of Si microelectronic devices. We propose innovative experiments, using in-situ transmission electron microscopy and synchrotron-based x-ray methods, to achieve a fundamental understanding of the processes that govern nanocavity structural evolution and metallic impurity trapping. We seek to develop a patentable technology to enhance impurity trapping efficiency and thus dramatically increase the applicability of this industrially-relevant process.Read moreRead less
Probing the properties of amorphous semiconductors with swift heavy ion irradiation and synchrotron radiation. This proposal is consistent with Research Priority 3: Frontier Technologies for Building and Transforming Australian Industries and the Priority Goals: Breakthrough Science, Frontier Technologies and Advanced Materials. We seek to deduce and understand the processes operative during swift heavy ion irradiation of amorphous semiconductors to probe fundamental materials properties. Ou ....Probing the properties of amorphous semiconductors with swift heavy ion irradiation and synchrotron radiation. This proposal is consistent with Research Priority 3: Frontier Technologies for Building and Transforming Australian Industries and the Priority Goals: Breakthrough Science, Frontier Technologies and Advanced Materials. We seek to deduce and understand the processes operative during swift heavy ion irradiation of amorphous semiconductors to probe fundamental materials properties. Our results and accompanying scientific insight will broaden the applicability of amorphous semiconductors in advanced technologies, enhance the national research profile, increase the domestic knowledge base and yield skilled, young scientists trained to utilise the Australian Synchrotron.Read moreRead less
Amorphous-Phase Formation and Structure in Semiconductor Substrates following Swift Heavy-Ion Irradiation. This proposal is consistent with Research Priority 3: Frontier Technologies for Building and Transforming Australian Industries and the Priority Goals: Breakthrough Science, Frontier Technologies and Advanced Materials. We seek to deduce and understand the processes operative during swift heavy-ion irradiation of elemental and binary semiconductor substrates and identify and measure the ....Amorphous-Phase Formation and Structure in Semiconductor Substrates following Swift Heavy-Ion Irradiation. This proposal is consistent with Research Priority 3: Frontier Technologies for Building and Transforming Australian Industries and the Priority Goals: Breakthrough Science, Frontier Technologies and Advanced Materials. We seek to deduce and understand the processes operative during swift heavy-ion irradiation of elemental and binary semiconductor substrates and identify and measure the resulting amorphous-phase structure. Our results and accompanying scientific insight will broaden the applicability of these materials in advanced technologies, enhance the national research profile, increase the domestic knowledge base and yield skilled, young scientists trained to utilize the Australian Synchrotron when commissioned in 2007.Read moreRead less
Epitaxial Nanowires for Optoelectronic Device Applications. Nanotechnology is expected to make a major impact in all industrial sectors and multi-trillion dollar economic activity is expected by 2020. Nanowires are considered to be new building blocks for future electronics and photonics technologies and our aim is to develop nanowire based technologies which are of benefit to Australian industry. This project will develop patentable technologies as well as enhance international links with UK, ....Epitaxial Nanowires for Optoelectronic Device Applications. Nanotechnology is expected to make a major impact in all industrial sectors and multi-trillion dollar economic activity is expected by 2020. Nanowires are considered to be new building blocks for future electronics and photonics technologies and our aim is to develop nanowire based technologies which are of benefit to Australian industry. This project will develop patentable technologies as well as enhance international links with UK, China, Sweden and Norway. Training of postgraduate students and post-doctoral fellows in the field of nanotechnology will be of immense benefit to Australian industries, research and academic institutions. Read moreRead less
Tailoring the Shape, Size and Orientation of Metal Nanocrystals via Swift Heavy Ion Irradiation. This proposal is consistent with National Research Priority 3: Frontier Technologies for Building and Transforming Australian Industries and the Priority Goals: Breakthrough Science, Advanced Materials and Frontier Technologies. Our ability to tailor the shape, size and orientation of metal nanocrystals will broaden the domestic knowledge base, enhance the national research profile and train young ....Tailoring the Shape, Size and Orientation of Metal Nanocrystals via Swift Heavy Ion Irradiation. This proposal is consistent with National Research Priority 3: Frontier Technologies for Building and Transforming Australian Industries and the Priority Goals: Breakthrough Science, Advanced Materials and Frontier Technologies. Our ability to tailor the shape, size and orientation of metal nanocrystals will broaden the domestic knowledge base, enhance the national research profile and train young scientists, particularly in the use of two national facilities: the Australian Synchrotron and the ANU Heavy-Ion Accelerator Facility. Furthermore, domestic capabilities in materials characterisation and nanotechnology will be bolstered, state-of-the-art domestic industry will be enhanced and new technological applications will be enabled.Read moreRead less
Photonic Crystal Enhanced Wavelength Selective, Multi-Colour Quantum Dot Infrared Photodetectors. Photonic crystal enhanced quantum dot infrared photodetectors are a new generation of detectors developed from integrating nanotechnology with material science and optics. This would not only enhance the detector performance but the structure will now detect a narrow band around the desired wavelength with multi-colour detectivity. The technology developed in this project is anticipated to attract i ....Photonic Crystal Enhanced Wavelength Selective, Multi-Colour Quantum Dot Infrared Photodetectors. Photonic crystal enhanced quantum dot infrared photodetectors are a new generation of detectors developed from integrating nanotechnology with material science and optics. This would not only enhance the detector performance but the structure will now detect a narrow band around the desired wavelength with multi-colour detectivity. The technology developed in this project is anticipated to attract interest from the industries and government agencies. It will be pervasive for use at home, in the manufacturing and mining industry, environmental and pollution monitoring, defence and national security. Applications include spectral imaging, remote sensing, environmental/pollution monitoring, toxic gas and bio-hazardous material detection.Read moreRead less