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Now showing items 32-51 of 128

EBSD Investigations of Equal Channel Angular Extruded Copper

Wuhrer Richard; Meijer Elisabeth; Yeung Wing; Attard D (Cambridge University Press, 2007)

Development of nano- and submicron-structured materials has attracted significant research interest in the last ten years [1, 2]. Most recently, an innovative technology called the Equal Channel Angular Extrusion (ECAE) ...
Educational intervention for patients with automatic implantable cardioverter defibrillators

Edelman Sarah; Lemon Jim; Kirkness Ann (Australian Nursing Federation, 2007)
Effect of doping on flux pinning of GdBa2Cu3O7-y

Zhang L; Xu X; Ding S; Zheng Minghui; Xiao Lin; Ren Hongtao; Jiao Yulei; Wang Xiu-Hong; Lin Zhi Wei (Jack); Zhu Jianguo (American Institute of Physics, 2005)

Cylindrical single grains of GdBa2Cu3Oy (Gd-123) with a diameter of 25 mm were successfully fabricated by melt-texture growth (MTG) process in air to study the influence of different starting powders on flux pinning. ...
The effect of stretching thiyl and ethynyl-Au molecular junctions

Ford Michael; Garcia-Suarez Victor; Cortie Michael; Hoft Rainer; Lambert Colin (IOP Publishing, 2008)

We perform density functional theory (DFT) calculations of the stretching of Au(111)-X-Au(111) molecular junctions where X is either a thiyl or ethynyl biradical. The equilibrium geometries for the radicals adsorbing on ...
Effects of lithium doping and post-processing on the Cathodoluminescence of Zinc Oxide Nanoparticles

Mcbean Katie; Phillips Matthew; Drouin Dominique (Cambridge University Press, 2006)
Efficient computation of optical forces with the coupled dipole method

Rahmani Adel; Chaumet Patrick; Sentenac Anne; Bryant Garnett (American Physical Society, 2005)

We present computational techniques to compute in an efficient way optical forces on arbitrary nanoobjects using the coupled dipole method. We show how the time of computation can be reduced by several orders of magnitude ...
Efficient couplers for photonic crystal waveguides

Dossou Kokou; Botten Lindsay; De Sterke C; Mcphedran Ross; Asatryan Ara; Chen Swee; Brnovic Jovana (Elsevier Science, 2006)

We use two-dimensional simulations to study the design of tapers to provide efficient, low reflection coupling between a waveguide in a two-dimensional photonic crystal (PC) and free space. We find that, largely independent ...
Efficient slow-light coupling in a photonic crystal waveguide without transition region

Mcphedran Ross; Dossou Kokou; White Thomas; De Sterke C; Botten Lindsay (Optical Society of America, 2008)

We consider the coupling into a slow mode that appears near an inflection point in the band structure of a photonic crystal waveguide. Remarkably, the coupling into this slow mode, which has a group index ng>1000, can be ...
Electric fields produced by electron irradiation of insulators in a low vacuum environment

Toth Milos; Phillips Matthew; Craven J; Thiel Bradley; Donald Athene (American Institute of Physics, 2002)

We report on the properties of electric fields generated as a result of electron irradiation of dielectrics in a low vacuum scanning electron microscope. Individual field components produced by (i) ionized gas molecules ...
Electronic band structure of beryllium oxide

Sashin Vladimir; Bolorizadeh Mehdi; Kheifets Anatoli; Ford Michael (Institute of Physics Publishing, 2003)

The energy-momentum resolved valence band structure of beryllium oxide has been measured by electron momentum spectroscopy (EMS). Band dispersions, bandwidths and intervalence bandgap, electron momentum density (EMD) and ...
Electronic Band structure of calcium oxide

Sashin Vladimir; Kheifets Anatoli; Bolorizadeh Mehdi; Ford Michael (Elsevier, 2004)

We employed electron momentum spectroscopy (EMS) to measure the bulk electronic structure of calcium oxide. We extracted the electron momentum density (EMD), density of occupied states (DOS), band dispersions, bandwidths ...
The electronic structure of Be and BeO: benchmark EMS measurements and LCAO calculations

Soule De Bas Benjamin; Dorsett Helen; Ford Michael (Elsevier, 2003)

The electronic band structures of Be and BeO have been measured by transmission electron momentum spectroscopy (EMS). The low atomic number of beryllium and the use of ultrathin solid films in these experiments reduce ...
Electronic structure of potassiumdoped La@C82 metallofullerene studied with photoelectron spectroscopy

Ton-That Cuong; Dowd Annette; Shard Alex; Dhanak Vinod; Taninaka Atsushi; Shinohara Hisanori; Welland Mark (American Physical Society, 2007)

The electronic structure of potassium-doped La@C82 has been studied with synchrotron-radiation photoelectron spectroscopy. Ultraviolet photoemission measurements indicate evolution of the valence-band states of La@C82 ...
Electron imaging of dielectrics under simultaneous electron-ion irradiation

Toth Milos; Phillips Matthew; Thiel Bradley; Donald Athene (American Institute of Physics, 2002)

We demonstrate that if charging caused by electron irradiation of an insulator is controlled by a defocused flux of soft-landing positive ions, secondary electron (SE) images can contain contrast due to lateral variations ...
Electron momentum spectroscopy and linear combination of atomic orbitals calculation of bulk Na2O

Mikajlo Elisabeth; Nixon Kate; Ford Michael (Institute of Physics Publishing, 2003)

This paper presents an experimental measurement of the electronic structure of Na2O in the solid phase using electron momentum spectroscopy (EMS) and compares the results with ab initio calculations performed within the ...
Energy and momentum resolved band structure of K2O: electron momentum spectroscopy and linear combination of atomic orbitals calculation

Mikajlo Elisabeth; Ford Michael (Institute of Physics Publishing, 2003)

This paper details an experimental and theoretical investigation into the electronic structure of the highly ionic, alkali oxide, potassium oxide (K2O). The experiments were carried out using the relatively new technique ...
Enhanced high speed SE imaging using a VPSEM using a Frisch Grid

Phillips Matthew; Morgan Scott (Cambridge University Press, 2006)
Evidence Of A Mobility Edge For Photons In Two Dimensions

Asatryan Ara; Botten Lindsay; Byrne Michael; Mcphedran Ross; De Sterke C (American Physical Society, 2007)

We demonstrate for the first time a nonlinear finite-difference time-domain (FDTD) analysis of optical parametric four-wave mixing (FWM) in an actual InGaAsP–InP-based racetrack microresonator, and the results are ...
Exact modelling of generalised defect modes in photonic crystal structures

Dossou Kokou; Botten Lindsay; Wilcox Stuart; Mcphedran Ross; De Sterke C; Nicorovici Nicolae; Asatryan Ara (Elsevier Science Bv, 2007)

An exact theory for modelling modes of generalised defects in 2D photonic crystals (PCs) with a genuinely infinite cladding is presented. The approach builds on our fictitious source superposition method for simple defects ...
Exact modelling of generalised defect modes in photonic crystal structures

Botten Lindsay; Dossou Kokou; Wilcox Stuart; Mcphedran Ross; De Sterke C; Nicorovici Nicolae; Asatryan Ara (Elsevier Science Bv, 2007)

An exact theory for modelling modes of generalised defects in 2D photonic crystals (PCs) with a genuinely infinite cladding is presented. The approach builds on our fictitious source superposition method for simple defects ...

Now showing items 32-51 of 128

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