Browsing 02 Physical Sciences by Title

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Browsing 02 Physical Sciences by Title

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  • Contamination-free imaging by electron induced carbon volatilization in environmental scanning electron microscopy 
    Toth Milos; Lobo Charlene; Lysaght Michael; Vladar Ae; Postek Mt (Amer Inst Physics, 2009)
    Many ultraviolet, x-ray and charged particle beam techniques are inhibited by the growth of carbonaceous films caused by cross linking of hydrocarbon contaminant adsorbates. In electron microscopy, such films obscure surface ...
  • Controlling the properties of InGaAs quantum dots by selective-area epitaxy 
    Mokkapati Sudha; Lever Penelope; Tan Hark; Jagadish Chennupati; Mcbean Katie; Phillips Matthew (American Institute of Physics, 2005)
    Selective growth of InGaAs quantum dots on GaAs is reported. It is demonstrated that selective-area epitaxy can be used for in-plane bandgap energy control of quantum dots. Atomic force microscopy and cathodoluminescence ...
  • Control of Eccentric Building Vibration with Base Isolation 
    Wu, H., Fitzell, B., Samali, B. (Australian Acoustical Society, 2005)
    Base isolation is found effective in reducing torsional response of structures with mass eccentricity when subjected to earthquakes. In this study, dynamic characteristics of an eccentric five-storey benchmark model, ...
  • Convergence Properties And Flat Bands In Platonic Crystal Band Structures Using The Multipole Formulation 
    Poulton Christopher; Mcphedran Ross; Movchan Natalia; Movchan Alexander (Taylor & Francis Ltd, 2010)
    We present converged band diagrams for Bloch-Floquet bending waves in a thin elastic plate containing a square array of circular perforations, using the multipole formulation developed by Movchan et al. (2007) and applied ...
  • Core losses in claw pole permanent magnet machines with soft magnetic composite stators 
    Zhu Jianguo; Zhong Jin Jiang; Guo Youguang; Wu Wei (Institute of Electrical and Electronics Engineers, 2003)
    This paper presents the core loss calculation in soft magnetic composite (SMC) samples and a claw pole permanent magnet machine with SMC stator. By using finite-element analysis of the magnetic field, the total core ...
  • Coreshell Nanoparticles With Selfregulating Plasmonic Functionality 
    Cortie Michael; Dowd Annette; Harris Nadine; Ford Michael (American Physical Society, 2007)
    We propose a smart nanoparticle, a “regulatron,” that exploits a cycle of dynamic plasmonic feedback to self-regulate its temperature to a fixed range. One kind of regulatron can be conceived from VO2 and Au; the temperature ...
  • Correlation between the structural and optical properties of Mn-doped ZnO 
    Ton-That Cuong; Foley Matthew; Phillips Matthew; Tsuzuki Takuya; Smith Zoe (Elsevier, 2012)
    The crystallographic and optical properties of Mn-doped ZnO nanoparticles prepared by a sol-gel process have been investigated by X-ray diffraction, UV-visible absorption spectroscopy and cathodoluminescence microanalysis. ...
  • Coupled dipole method for radiation dynamics in finite photonic crystal structures 
    Bordas Frederic; Louvion Nicolas; Callard Segolene; Chaumet Patrick; Rahmani Adel (American Physical Society, 2006)
    We present a coupled-dipole treatment of radiation dynamics in the weak-coupling regime in a finite threedimensional photonic crystal structure. The structure is discretized in real space and the self-consistent local field ...
  • Coupled dipole method for scatterers with large permittivity 
    Chaumet Patrick; Sentenac Anne; Rahmani Adel (American Physical Society, 2004)
    In the coupled dipole method, a three-dimensional scattering object is discretized over a lattice into a set of polarizable units that are coupled self-consistently. Starting from the volume integral equation for the ...
  • Coupled-dipole method in time domain 
    Chaumet Patrick; Belkebir Kamal; Rahmani Adel (Optical Society of America, 2008)
    We present a time-domain formulation of electrodynamics based on the self-consistent derivation of the electromagnetic field in a linear, dispersive, lossy object via the coupled dipole method.
  • Coupled dipole method with an exact longwavelength limit and improved accuracy at finite frequencies 
    Rahmani Adel; Chaumet Patrick; Bryant Garnett (Optical Society of America, 2002)
    We present a new formulation of the coupled dipole method that accounts for local-field effects and is exact in the long-wavelength limit. This formulation also leads to improved accuracy of the description of ...
  • 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 ...
  • Coupled photonic crystal waveguide in hexagonal lattices 
    Brownless John; Mahmoodian Sahand; Dossou Kokou; Lawrence Felix; Botten Lindsay; De Sterke C (Optical Society of America, 2010)
    We investigate dispersion curves of coupled waveguides in hexagonal lattices. We find that their coupling coefficients change magnitude and sign along the BZ and that the modes here are no longer odd and even modes.
  • Coupled waveguide modes in hexagonal photonic crystals 
    Brownless John; Mahmoodian Sahand; Dossou Kokou; Lawrence Felix; Botten Lindsay; De Sterke C (Optical Society of America, 2010)
    We investigate the modes of coupled waveguides in a hexagonal photonic crystal. We find that for a substantial parameter range the coupled waveguide modes have dispersion relations exhibiting multiple intersections, which ...
  • 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 ...
  • Cross-disciplinary teaching of mathematics 
    Wood Leigh; Mather Glyn; Kirkup Leslie; Logan Peter (International Delta Steering Committee, 2003)
    In this paper we describe findings from the literature on cross-disciplinary teaching of mathematics to undergraduates, as part of a review of cross-faculty teaching of science subjects at the University of Technology, ...
  • Cylinder gratings in conical incidence with applications to woodpile structures 
    Botten Lindsay; Smith Geoff; Nicorovici Nicolae; Mcphedran Ross (American Society for Microbiology, 2007)
    We use our previous formulation for cylinder gratings in conical incidence to discuss the photonic band gap properties of woodpile structures. We study scattering matrices and Bloch modes of the woodpile, and use these ...
  • Cylinder gratings in conical incidence with application to modes of air-cored photonic crystal fibers 
    Nicorovici, N. A.; Botten, L. C.; Smith, G. H.; McPhedran, R. C. (American Society for Microbiology, 2005)
    We develop a formulation for cylinder gratings in conical incidence, using a multipole method. The theory, and its numerical implementation, is applied to two-dimensional photonic crystals consisting of a stack ...
  • Density of states functions for photonic crystals 
    Botten Lindsay; Mcorist J; Asatryan Ara; Mcphedran Ross; De Sterke C; Nicorovici Nicolae (American Physical Society, 2004)
    We discuss density of states functions for photonic crystals, in the context of the two-dimensional problem for arrays of cylinders of arbitrary cross section. We introduce the mutual density of states (MDOS), and show that ...
  • Depth-Resolved Cathodoluminescence Microanalysis of Near-Edge Emission in Ill-Nitride Thin Films 
    Gelhausen Olaf; Phillips Matthew; Toth Milos (American Institute of Physics, 2001)
    We describe an approach to assess the quality of III-nitride thin films using depth-resolved cathodoluminescence (CL) microanalysis. In this procedure, the depth-resolved peak shift due to self-absorption of the near-edge ...