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Browsing 02 Physical Sciences by Issue Date

Now showing items 41-60 of 622

Heavy metal pathways and archives in biological tissue

Orlic I.; Siegele R.; Menon D.; Markich S.; Cohen D.; Jeffree Ross; Mcphail D.; Sarbutt A.; Stelcer E. (Elsevier B.V., 2002)

Nuclear milli and microprobes at the Australian Nuclear Science and Technology Organisation (ANSTO) were used to determine lead accumulation in native Australian plants and animals. Three species of eucalypt plants (Eucalyptus ...
Localfield correction for an interstitial impurity in a crystal

Rahmani Adel; Chaumet Patrick; Bryant Garnett (Optical Society of America, 2002)

The local-field correction experienced by an interstitial impurity in a crystal with cubic symmetry is derived by use of a rigorous, self-consistent, semimicroscopic description of spontaneous emission in a microcavity. We ...
Cricketing Chances

Cohen Graeme (University of Technology, Sydney, 2002)

Two distinct aspects of the application of probabilistic reasoning to cricket are considered here. First, the career bowling figures of the members of one team in a limited-overs competition are used to determine the ...
Coupled multipolar interactions in clusters of nanoparticles with metal shells

Smith Geoffrey; Pustovit Vladimir (Elsevier Science, 2002)

Coupled multipolar interactions between spherical nanoparticles coated with metal nanoshells are shown to yield very different optical behaviour to those between all metal nanoparticles in the same configurations. Controlled ...
The Electronic Band Structure of Li2O Testing Theoretical Predictions using Electron Momentum Spectroscopy

Mikajlo, E. A.; Nixon, K. L.; Coleman, V. A.; Ford, M. J. (Institute of Physics Publishing, 2002)

Using the technique of electron momentum spectroscopy (EMS) we have measured the oxygen 2p- and 2s-derived valence bands and lithium 1s-derived core level in lithium oxide. All three sets of bands have been measured in a ...
Multipole method for microstructured optical fibers. II. Implementation and results

Kuhlmey Boris; White Tom; Renversez Gilles; Maystre Daniel; Botten Lindsay; De Sterke C; Mcphedran Ross (Optical Society of America, 2002)

We describe the numerical verifications of a multipole formulation for calculating the electromagnetic properties of the modes that propagate in microstructured optical fibers. We illustrate the application of this ...
Relationship between sample morphology and carrier diffusion length in GaN thin films.

Godlewski Marek; Goldys Ewa; Phillips Matthew; Bottcher T; Figge Stephan; Hommel Detlef; Czernecki R; Prystawko P; Leszczynski M; Perlin Piotr; Wisniewski P; Suski T; Bockowski M; Grzegory Izabella; Porowski Sylvek (Polish Academy of Science, 2002)

Scanning and spot-mode cathodoluminescence investigations of homo- and hetero-epitaxial GaN films indicate a surprisingly small influence of their microstructure on overall intensity of a light emission . This we explain ...
Phononic band structures for arrays of circular cavities in an elastic medium

Zalipaev Victor; Movchan Alexander; Poulton Christopher; Mcphedran Ross (Kluwer, 2002)
Probleme spectral pour la propagation conique des ondes elastiques dans un reseau de fibres

Guenneau Sebastien; Poulton Christopher; Movchan Alexander (Elsevier, 2002)

This Note is devoted to the analysis of elastic waves conically propagating through a doubly periodic array of cylindrical channels. A new method, based on a multiple scattering approach, has been proposed to reduce the ...
Elastic waves and homogenization in oblique periodic structures

Zalipaev Victor; Movchan Alexander; Poulton Christopher; Mcphedran Ross (Royal Society, 2002)

A mathematical model has been constructed to describe elastic waves propagating in a two¿dimensional solid containing a doubly periodic parallelogram array of circular holes. A multipole expansion method is employed which ...
Magnetic-field-induced enhancement of terahertz emission from III-V semiconductor surfaces

Johnston Michael; Corchia A; Dowd Annette; Linfield Edmund; Davies A.; Mclaughlin Robert; Arnone Don; Pepper Michael (Elsevier, 2002)

We discuss the origins of the magnetic-field-induced enhancement of terahertz (THz) emission from bulk semiconductor surfaces. The principal effect of the magnetic field is to rotate the THz dipole and hence dramatically ...
A method to measure the effective gas path length in the environmental or variable pressure scanning electron microscope

Gauvin Ranald; Griffin Brendan; Nockolds Clive; Phillips Matthew; Joy David (Wiley, 2002)

A simple method is described to determine the effective gas path length when incident electrons scatter in the gas above the specimen. This method is based on the measurement of a characteristic x-ray line emitted from a ...
Dynamic evaluation of conditional probabilities of winning a tennis match

Cohen Graeme; Clowes Shaun; Tomljanovic Ljiljana (University of Technology, Sydney, 2002)

Let p and q be the probabilities of players A and B, respectively, winning a point in a game of tennis (p+q = 1). We describe a program which has been devised and implemented to give the probability of A or B winning the ...
ESEM beam current measuring device based on a planar shotty diode

Aubin André-Sébastien; Drouin Dominique; Phillips Matthew (Cambridge University Press, 2002)
Offshore/onshore foundation programs: student perspective

Logan Peter; Cox Laurence; Cobbin Deirdre (IDP Education Australia, 2002)

This presentation reports on a study of the educational quality and cultural sensitivity offoundation programs operated by Australian universities. The initial phase of the project, that involved a literature review and ...
The integration of forward light transport and lateral illumination of polymer optical fibre

Joseph, E. K; Franklin, J.; Smith, G. B; Deller, C. A (Causal Productions Pty Ltd, 2002)

Flexible polymer light guides doped with special micro-spheres to combine light leakage and long distance transport are described optically using a simple light distribution model. A constant angular profile of light ...
Time resolved analysis of the positive ion dynamics in the variable pressure scanning electron microscope

Phillips Matthew; Morgan Scott (Cambridge University Press, 2002)
Absorption correction of Fe La,b emission from iron oxides

Remond Louise; Fialin Michel; Nockolds Clive; Phillips Matthew; Roques-Carmes Claude (Cambridge University Press, 2002)
Multipole Method for Microstructured Optical Fibers. I. Formulation

White Tom; Kuhlmey Boris; Mcphedran Ross; Maystre Daniel; Renversez Gilles; De Sterke C; Botten Lindsay (Optical Society of America, 2002)

We describe a multipole method for calculating the modes of microstructured optical fibers. The method uses a multipole expansion centered on each hole to enforce boundary conditions accurately and matches expansions with ...
Modelling dynamics of a continuous structure with a piezoelectric sensor/actuator for passive structural control

Zhang Nong; Kirpitchenko Inessa (Academic Press, 2002)

This paper presents the concept of a vibration control system in which motions of a continuous structure with piezoelectricsensors/actuators can be suppressed (or activated) through transforming mechanical energy to ...

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