Now showing items 21-40 of 149

    • 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 ...
    • 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 ...
    • 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 ...
    • Single walled carbon nanotube array as working electrode for dye solar cells 

      Tune, Daniel David; Gibson, Christopher; Quinton, Jamie Scott; Ellis, Amanda Vera; Shapter, Joseph George (Institute of Electrical and Electronics Engineers Computer Society (IEEE Publishing), 2010)
      A new working electrode for dye solar cells has been fabricated incorporating an array of dye sensitised single walled carbon nanotubes on an indium tin oxide coated glass substrate as a replacement for the titania used ...
    • Water transport through nanoporous materials: Porous silicon and single walled carbon nanotubes 

      Shearer, Cameron; Velleman, Leonora; Acosta, Fernando; Ellis, Amanda Vera; Voelcker, Nicolas Hans; Mattia, Davide; Shapter, Joseph George (Institute of Electrical and Electronics Engineers Computer Society (IEEE Publishing), 2010)
      We report upon the pressure driven water transport through porous silicon (pSi) and single walled carbon nanotube (SWCNT) membranes. Fabrication of the membranes was monitored by AFM and SEM. Water permeability as high as ...
    • 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 ...
    • Low-energy elastic electron interactions with pyrimidine 

      Palihawadana, Prasanga; Sullivan, James; Brunger, Michael James; Winstead, Carl; McKoy, Vincent; Garcia, Gustavo; Blanco, Francisco; Buckman, Stephen J (American Institute of Physics, 2011-12-02)
      We present results of measurements and calculations of elastic electron scattering from pyrimidine in the energy range 3–50 eV. Absolute differential and integral elastic cross sections have been measured using a crossed ...
    • Field emission from single-, double-, and multi-walled carbon nanotubes chemically attached to silicon 

      Shearer, Cameron; Fahy, Adam; Barr, Matthew G; Moore, Katherine E; Dastoor, Paul; Shapter, Joseph George (American Institute of Physics, 2012)
      The chemical attachment and field emission (FE) properties of single-walled carbon nanotubes (SWCNTs), double-walled carbon nanotubes (DWCNTs), and multi-walled carbon nanotubes (MWCNTs) chemically attached to a silicon ...
    • Positron scattering from methane 

      Zecca, Antonio; Chiari, Luca; Trainotti, Emanuele; Sarkar, Anindya; d'A Sanchez, Sergio; Bettega, Marcio H F; Varella, Marcio T do N; Lima, Marco A P; Brunger, Michael James (The American Physical Society, 2012-01-19)
      We report on measurements of total cross sections for positron scattering from the fundamental organic molecule methane (CH4). The energy range of these measurements was 0.1–50 eV, whereas the energy resolution was ∼100 ...
    • Gradient Technology for High-Throughput Screening of Interactions between Cells and Nanostructured Materials 

      Michelmore, Andrew; Clements, Lauren; Steele, David A.; Voelcker, Nicolas Hans; Szili, Endre (Hindawi, 2012-05-08)
      We present a novel substrate suitable for the high-throughput analysis of cell response to variations in surface chemistry and nanotopography. Electrochemical etching was used to produce silicon wafers with nanopores ...
    • Positron scattering from chiral enantiomers 

      Chiari, Luca; Zecca, Antonio; Girardi, S; Defant, A; Wang, F; Ma, X G; Perkins, Michael Victor; Brunger, Michael James (American Institute of Physics, 2012-05-22)
      We report on total cross section measurements for positron scattering from the chiral enantiomers (+)-methyl (R)-2-chloropropionate and (–)-methyl (S)-2-chloropropionate. The energy range of the present study was 0.1–50 ...
    • Positron collisions with ethene 

      Bettega, Marcio H F; d'A Sanchez, Sergio; Varella, Marcio T do N; Lima, Marco A P; Chiari, Luca; Zecca, Antonio; Trainotti, Emanuele; Brunger, Michael James (American Institute of Physics, 2012-08-15)
      We present experimental and theoretical cross sections for positron collisions with ethene molecules. The experimental total cross sections (TCSs) were obtained with a linear transmission technique, for energies from 0.1 ...
    • Chemically-Synthesised, Atomically-Precise Gold Clusters Deposited and Activated on Titania 

      Anderson, David P; Alvino, Jason F; Gentleman, Alexander; Al Qahtani, Hassan; Thomsen, Lars; Polson, Matthew I J; Metha, Gregory F; Golovko, Vladimir B; Andersson, Gunther (Royal Society of Chemistry, 2013-01-17)
      Synchrotron XPS was used to investigate a series of chemically-synthesised, atomically-precise gold clusters Aun(PPh3)y (n = 8, 9, 11 and 101, with y depending on cluster size) immobilized on titania nanoparticles. The ...
    • Absolute cross sections for dissociative electron attachment and dissociative ionization of cobalt tricarbonyl nitrosyl in the energy range from 0 eV to 140 eV 

      Engmann, Sarah; Stano, Michal; Papp, Peter; Brunger, Michael James; Matejcik, Stefan; Ingolfsson, Oddur (American Institute of Physics, 2013-01-24)
      We report absolute dissociative electron attachment (DEA) and dissociative ionization (DI) cross sections for electron scattering from the focused electron beam induced deposition (FEBID) precursor Co(CO)3NO in the incident ...
    • A comprehensive and comparative study of elastic electron scattering from OCS and CS2 in the energy region from 1.2 to 200 eV 

      Murai, H; Ishijima, Y; Mitsumura, T; Sakamoto, Y; Kato, H; Hoshino, M; Blanco, Francisco; Garcia, Gustavo; Limao-Vieira, Paulo; Brunger, Michael James; Buckman, Stephen J; Tanaka, Hiroshi (American Institute of Physics, 2013-02-01)
      We report absolute differential cross sections (DCSs) for elastic electron scattering from OCS (carbonyl sulphide) and CS2 (carbon disulphide) in the impact energy range of 1.2–200 eV and for scattering angles from 10◦ ...
    • Experimental and theoretical cross sections for positron collisions with 3-hydroxy-tetrahydrofuran 

      Chiari, Luca; Palihawadana, Prasanga; Machacek, Joshua R; Makochekanwa, Casten; Garcia, Gustavo; Blanco, Francisco; McEachran, Robert P; Brunger, Michael James; Buckman, Stephen J; Sullivan, James (American Institute of Physics, 2013-02-15)
      Cross section results from a joint experimental and theoretical investigation into positron scattering from 3-hydroxy-tetrahydrofuran (3H-THF) are presented. Total and positronium (Ps) formation cross sections have been ...
    • Total, elastic, and inelastic cross sections for positron and electron collisions with tetrahydrofuran 

      Chiari, Luca; Anderson, Emma; Tattersall, Wade; Machacek, Joshua R; Palihawadana, Prasanga; Makochekanwa, Casten; Sullivan, James; Garcia, Gustavo; Blanco, Francisco; McEachran, Robert P; Brunger, Michael James; Buckman, Stephen J (American Institute of Physics, 2013-02-15)
      We present total, elastic, and inelastic cross sections for positron and electron scattering from tetrahydrofuran (THF) in the energy range between 1 and 5000 eV. Total cross sections (TCS), positronium formation cross ...
    • The toluene-Ar complex: S0 and S1 van der Waals modes, changes to methyl rotation, and torsion-van der Waals vibration coupling 

      Gascooke, Jason; Lawrance, Warren Donald (American Institute of Physics, 2013-02-25)
      The methyl rotor and van der Waals vibrational levels in the S1 and S0 states of toluene-Ar have been investigated by the technique of two-dimensional laser induced fluorescence (2D-LIF). The S0 van der Waals and methyl ...
    • Understanding seawater intrusion. [Poster] 

      Werner, Adrian D; Jacobsen, Peta E; Morgan, Leanne K (2013-03-12)
      Seawater intrusion is the landward advance of seawater into freshwater aquifers, involving complicated density-dependent flow and salt transport process that are challenging to characterise and manage. Seawater intrusion ...
    • Methyl rotor dependent vibrational interactions in toluene 

      Gascooke, Jason; Lawrance, Warren Donald (American Institute of Physics, 2013-04-02)
      The methyl rotor dependence of a three state Fermi resonance in S1 toluene at ∼460 cm−1 has been investigated using two-dimensional laser induced fluorescence. An earlier time-resolved study has shown the Fermi resonance ...