AU – Page 9 – TechConnect Briefs

Continuum Modeling the Behavior of Carbon Nanotubes in different load condition

Chaboki A., Sadrnejad S.A., Yahyaiee M., University of Sydney, AU

Molecular dynamics and quantum mechanics are the best method for analysis the CNTs behavior. Bur because of the difficulties and cost, this task is limited to small structure with limited atoms number. In this paper, [...]

Modelling the Stress Transfer in CNT Composite using Finite Element Method

Chaboki A., Sadrnejad S.A., Yahyaeii M., University of Sydney, AU

Since carbon nanotubes have special mechanical properties, they tend to be used as reinforcements in composites. The stress transfer between the nanotubes and the matrix at the interface critically controls the mechanical properties of these [...]

An Analytical Model for Multi-layer and Multi-electrode Piezoelectric Ceramic Actuators

Wang B-L., Mai Y-W., The University of Sydney, AU

The use of piezoelectric ceramics in multilayer actuator is increasing. This paper studies electroelastic field concentrations ahead of electrodes for multilayer piezoelectric actuators. The electrodes are vertical to and terminated near the edges of the [...]

Real-Time Drift Correction of a Focused Ion Beam Milling System

Freeman D., Luther-Davies B., Madden S., Australian National University, AU

We are working towards the fabrication of large periodic optical structures known as photonic crystals. A focused ion beam (FIB) is used to mill holes, which must be smooth and repeatable, with nm positional accuracy. [...]

Phenyl–Terminated Self Assembled Monolayers on Si(100) for Low Voltage Transistor Applications

Sim A., Harper J., Zareie H., James M., Singh N.K., The University of New South Wales, AU

A key problem with the existing thin film organic field effect transistor is their large operating voltage (> 20 V) due to the relatively thick (>100 nm) dielectric layer (e.g. SiO2,) which restricts their in [...]

Development of a silicon-based quantum cellular automata cell

Mitic M., Cassidy M.C., Petersson K.D., Gauja E., Starrett R.P., Brenner R., Yang C., Jamieson D.N., Clark R.G., Dzurak A.S., University of New South Wales, AU

Quantum-dot cellular automata (QCA) [1] represent a potential paradigm shift in computation, offering elegant solutions to the critical problems of device density, interconnection and power dissipation. To date QCA cells have been experimentally demonstrated in [...]

Novel Biphasic Hydrogels for Controlled Drug Delivery

Parvathy V., University of Queensland, AU

The current methods of drug delivery exhibit specific problems in designing a carrier for long-term release. Our aim is to fabricate biphasic hydrogels of predetermined molecular weights as carriers for long-term drug delivery. The rate [...]

Nanoscopic Tunning via Hydrophilic and Hydrophobic Macro-RAFT

Parvathy V., Univeristy of Queensland, AU

The motivation of this paper is to show the dependence of the morphology on the composition of the copolymers and to explore and understand the influence of morphological features in the nanoscale structure to tailor [...]

Thermal modeling of a PMMA microfluidic separation chip

Zhu Y., Bui A., CSIRO Australia, AU

The main objective of the current work is to investigate the thermal performance, in particular Joule heating of polymer microfluidic chips involving electrokinetically driven flows using experimental and numerical methods. Most of the work focused [...]

Layer by Layer Fabrication of an Amperometric Nanocomposite Biosensor for Sulfite

Adeloju S.B., Ohanessian A., Water and Sensor Research Group, AU

This paper will present the results of a layer by layer strategy that we have developed for the fabrication of a polypyrrole nanocomposite amperometric biosensor for sulfite. The use of this strategy to fabricate bilayer [...]