Now showing items 1-20 of 148

    • Influence of a partially oxidized calcium cathode on the performance of polymeric light emitting diodes 

      Andersson, Gunther; de Jong, M P; Janssen, F J J; Sturm, J M; van Ijzendoorn, L J; Denier van der Gon, A W; de Voigt, M J A; Brongersma, H H (American Institute of Physics, 2001)
      We investigated the influence of the presence of oxygen during the deposition of the calcium cathode on the structure and on the performance of polymeric light emitting diodes (pLEDs). The oxygen background pressure during ...
    • Monitoring EDTA and endogenous metabolite biomarkers from serum with mass spectrometry 

      Lowe, Rachel D; Go, Eden P; Tong, Grace C; Voelcker, Nicolas Hans; Siuzdak, Gary (Hindawi, 2005)
      We describe a quantitative method for the determination of ethylenediaminetetraacetic acid (EDTA) in human serum by gas chromatography mass spectrometry (GC-MS), liquid chromatography electrospray ionisation tandem mass ...
    • Photoionization efficiency spectroscopy and density functional theory investigations of RhHo2On (n=0-2) clusters 

      Gentleman, Alexander S; Addicoat, Matthew A; Dryza, Viktoras; Gascooke, Jason; Buntine, Mark A; Metha, Gregory Francis (American Institute of Physics, 2009)
      The experimental and theoretical adiabatic ionization energies (IEs) of the rhodium-holmium bimetallic clusters RhHo2On (n=0–2) have been determined using photoionization efficiency spectroscopy and density functional ...
    • Electron-scattering cross sections for collisions with tetrahydrofuran from 50 to 5000 eV 

      Fuss, Martina C; Munoz, Antonio; Oller, Juan Carlos; Blanco, Francisco; Almeida, Diogo; Limao-Vieira, Paulo; Do, Thi Phuong Thao; Brunger, Michael James; Garcia, Gustavo (The American Physical Society, 2009)
      In this paper, we report on total electron tetrahydrofuran (C4H8O) scattering cross-section measurements for energies in the range from 50 to 5000 eV with experimental errors of about 5%. In addition, integral elastic and ...
    • Total cross sections for positron scattering from H2 at low energies 

      Zecca, Antonio; Chiari, Luca; Sarkar, Anindya; Nixon, Kate Louise; Brunger, Michael James (The American Physical Society, 2009)
      This paper revisits positron scattering from molecular hydrogen, in an attempt to provide accurate total cross-section data against which theoretical calculations might be benchmarked. The present data were measured over ...
    • Onset of carbon-carbon bonding in the Nb5Cy (y = 0-6) clusters: a threshold photo-ionisation and density functional theory study 

      Dryza, Viktoras; Gascooke, Jason; Buntine, Mark A; Metha, Gregory Francis (Royal Society of Chemistry, 2009)
      We have used photo-ionisation efficiency spectroscopy to determine the ionisation potentials (IPs) of the niobium–carbide clusters, Nb5Cy (y = 0–6). Of these clusters Nb5C2 and Nb5C3 exhibit the lowest IPs. Complementary ...
    • Using a fully coupled surface water - groundwater model to quantify streamflow components 

      Partington, Dan J; Werner, Adrian D; Brunner, Philip Andreas; Simmons, Craig Trevor; Dandy, Graeme C; Maier, Holger R (Modelling and Simulation Society of Australia and New Zealand, 2009)
      Separation of streamflow components into quickflow and baseflow is usually carried out in two main ways: hydrograph recession analysis and tracer-based methods. In this paper, it is proposed to use a fully coupled surface ...
    • Regional GHS implementation strategy for ASEAN 

      Choo Ta, Goh; Bin Mokhtar, Mazlin; Peterson, Peter John; Bin Yahaya, Nadzri (Institut Kimia Malaysia, 2009)
      It is essential for the safe use of chemicals to classify them according to their hazards. Different degrees of hazard must be identified based on specific cut-off values. After chemicals have been classified, they should ...
    • Cross sections for electron impact excitation of the C 1 and D 1+ electronic states in N2O 

      Kawahara, H; Suzuki, Daisuke; Kato, H; Hoshino, M; Tanaka, Hiroshi; Ingolfsson, Oddur; Campbell, Laurence; Brunger, Michael James (American Institute of Physics, 2009)
      Differential and integral cross sections for electron-impact excitation of the dipole-allowed C 1Π and D 1Σ+ electronic states of nitrous oxide have been measured. The differential cross sections were determined by analysis ...
    • Differential and integral cross sections for elastic electron scattering from CF2 

      Francis-Staite, Jessica; Maddern, Todd Michael; Brunger, Michael James; Buckman, Stephen J; Winstead, Carl; McKoy, Vincent; Bolorizadeh, Mohammad Agha; Cho, Hyuck (The American Physical Society, 2009)
      We report the results of measurements and calculations of differential and integral cross sections for elastic electron scattering from the CF2 molecular radical. The energy range of the present investigation was 2–20 eV, ...
    • Integral cross sections for electron-impact excitation of the 4 2P state in copper 

      Suvorov, V; Teubner, Peter John; Karaganov, Victor; Ratnavelu, K; Zhou, Y; Brunger, Michael James (The American Physical Society, 2009)
      We report integral cross sections for electron-impact excitation of the 4 2P state in copper for incident electrons with energies in the range from threshold to 100 eV. Measurements, based on an optical excitation function ...
    • A Fundamental Study Into the Surface Functionalization of Soft Glass Microstructured Optical Fibers via Silane Coupling Agents 

      Debs, John; Ebendorff-Heidepriem, Heike; Quinton, Jamie Scott; Monro, Tanya (Institute of Electrical and Electronics Engineers Computer Society (IEEE Publishing), 2009)
      A method for the functionalization of surfaces within soft glass microstructured optical fibers has been developed, using self assembled monolayers (SAMs) of silane coupling agents. We demonstrate the use of measurements ...
    • Measuring the internal energy content of molecules transported across the liquid-gas interface 

      Maselli, Olivia J; Gascooke, Jason; Lawrance, Warren Donald; Buntine, Mark A (IOP Publishing, 2009)
      Many details concerning the mechanism associated with the liberation of molecules from a liquid surface remain to be elucidated. We use the liquid microjet technique coupled with laser spectroscopy to measure the rotational ...
    • Gold nanotube membranes: fabrication of controlled pore geometries and tailored surface chemistries 

      Velleman, Leonora; Guillaume, Francois; Bruneel, Jean-Luc; Losic, Dusan; Shapter, Joseph George (Institute of Electrical and Electronics Engineers Computer Society (IEEE Publishing), 2010)
      This study concerns the fabrication, chemical modification and characterisation of gold nanotube membranes using porous alumina (PA) membranes as templates. Electroless deposition was used to finely coat membranes with ...
    • Optimising surfactant aided dispersions of carbon nanotubes in aqueous solution 

      Blanch, Adam J; Lenehan, Claire Elizabeth; Quinton, Jamie Scott (Institute of Electrical and Electronics Engineers Computer Society (IEEE Publishing), 2010)
      Dispersion of carbon nanotubes in water with the aid of surfactants is becoming common practice, however methodologies vary greatly among the literature. Here the variables of sonication type, length of processing time and ...
    • Simple surface modification of poly(dimethylsiloxane) for DNA hybridization 

      Zhou, Jinwen; Voelcker, Nicolas Hans; Ellis, Amanda Vera (American Institute of Physics, 2010)
      Here, we present a simple chemical modification of poly(dimethylsiloxane) (PDMS) by curing a mixture of 2 wt% undecylenic acid (UDA) in PDMS prepolymer on a gold-coated glass slide. This gold slide had been previously ...
    • Elastic electron scattering from CF3I 

      Francis-Staite, Jessica; Schmerl, Brett A; Brunger, Michael James; Kato, H; Buckman, Stephen J (The American Physical Society, 2010)
      Experimental results are reported for elastic differential and integral cross sections for electrons scattering from CF3I. These measurements were made at ten incident electron energies in the range 10–50 eV, with a ...
    • Benchmarking electronic-state excitation cross sections for electron-N2 collisions 

      Kato, H; Suzuki, Daisuke; Ohkawa, Mizuha; Hoshino, M; Tanaka, Hiroshi; Campbell, Laurence; Brunger, Michael James (The American Physical Society, 2010)
      We report differential cross sections for electron impact excitation of the a 1Πg, C 3Πu, E 3Σg+, a″ 1Σg+, b 1Πu, c3 1Πu, o3 1Πu, b′ 1Σu+, c4′ 1Σu+, G 3Πu, and F 3Πu electronic states in N2. The incident electron energies ...
    • Lunar laser-ranging detection of light-speed anisotropy and gravitational waves 

      Cahill, Reginald Thomas (Progress in Physics, 2010)
      The Apache Point Lunar Laser-ranging Operation (APOLLO), in New Mexico, can detect photon bounces from retro-reflectors on the moon surface to 0.1ns timing resolution. This facility enables not only the detection of light ...
    • Controlling the surface functionalities of nanoporous alumina membranes 

      Jani, Abdul Mutalib; Kempson, Ivan; Losic, Dusan; Voelcker, Nicolas Hans (Institute of Electrical and Electronics Engineers Computer Society (IEEE Publishing), 2010)
      A new approach for controlling and to functionalise nanoporous anodic alumina oxide (AAO) membranes is described. Our approach is predicated on the remarkable stability of the silanised AAO surface during anodisation. Well ...