Browsing Materials Research by Title

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  • Finlayson, Christopher Edward; Goddard, Chris; Papachristodoulou, Elpida; Snoswell, David R. E.; Kontogeorgos, Andreas; Spahn, Peter; Hellmann, G. Peter; Hess, Ortwin; Baumberg, Jeremy J. (2011)
    We demonstrate the production of high-quality polymer opal fibers in an industrially-scalable process. These fibers exhibit structural color, based on the self-assembly of sub-micron core-shell particles, with a spectrum ...
  • Finlayson, C. E.; Whitney, A. D. (2010-03-10)
    We report a photophysical study of photovoltaic blends containing perylene-substituted polyisocyanide (pery-PIC) materials, using time-correlated single photon counting and photo-induced absorption spectroscopy, and compare ...
  • Greaves, George Neville; Greer, A. L.; Lakes, R. S.; Rouxel, T. (2011-10-24)
    In comparing a material's resistance to distort under mechanical load rather than to alter in volume, Poisson's ratio offers the fundamental metric by which to compare the performance of any material when strained elastically. ...
  • McMillan, Paul F.; Wilson, Mark; Wilding, Martin Charles; Daisenberger, Dominik; Mezouar, Mohamed; Greaves, G. Neville (2007-10-17)
    Phase transitions in the liquid state can be related to pressure-driven fluctuations developed in the density (i.e., the inverse of the molar volume; ρ = 1/V) or the entropy (S(T )) rather than by gradients in the chemical ...
  • McMillan, Paul F.; Wilson, Mark; Wilding, Martin C. (2003)
    Supercooled liquids in the Y2O3–Al2O3 system undergo a liquid–liquid phase transition between a high-temperature, high-density amorphous polymorph (HDA form), and one with lower density that is stable at lower temperature ...
  • Deb, Sudip K.; Wilding, Martin C.; Somayazulu, Maddury; McMillan, Paul F. (2001-11-29)
    Crystalline and amorphous forms of silicon are the principal materials used for solid-state electronics and photovoltaics technologies. Silicon is therefore a well-studied material, although new structures and properties ...
  • Langstaff, David Philip; Evans, David Andrew; Roberts, Owain Rhys; Zhu, Xi (2009-06)
    An extended electron counting detector with a linear array of 1536 pixels across an active area of 38 mm×5 mm is presented. Also presented is an improved control electronics package, based on the National Instruments Compact ...
  • Finlayson, Chris (2012-01-18)
  • Langstaff, David; Zhu, Xi (2009-06-01)
    We present a scheme for reducing multiple triggering based on a “first-past-the-post” voting circuit interposed between the sensor amplifier/discriminators and the counters in an event-counting detector. We are currently ...
  • Dabirian, Reza; Palermo, Vincenzo; Liscio, Andrea; Schwartz, Erik; Otten, Matthijs B. J.; Finlayson, Christopher Edward; Treossi, Emanuele; Friend, Richard H.; Calestani, Gianluca; Muellen, Klaus; Nolte, Roeland J. M.; Rowan, Alan E.; Samori, Paolo (2009-05-27)
    We report on the self-assembly and the electrical characterization of bicomponent films consisting of an organic semiconducting small molecule blended with a rigid polymeric scaffold functionalized in the side chains with ...
  • Kohara, S.; Akola, J.; Morita, H.; Suzuya, K.; Weber, J. K. R.; Wilding, M. C.; Benmore, C. J. (2011-09-06)
    The atomic structures of magnesium silicate melts are key to understanding processes related to the evolution of the Earth's mantle and represent precursors to the formation of most igneous rocks. Magnesium silicate ...
  • Cousins, Claire R.; Gunn, Matthew David; Prosser, Bryan J.; Barnes, Dave; Crawford, Ian A.; Griffiths, Andrew D.; Davis, Lottie E.; Coates, Andrew J. (2012-10)
    The Panoramic Camera (PanCam) instrument will provide surface remote sensing data for the ExoMars mission. A combination of wide-angle stereo, multispectral, and high resolution imagery will generate contextual geological ...
  • Huang, Ya-Shih; Yang, Xudong; Schwartz, Erik; Lu, Li Ping; Albert-Seifried, Sebastian; Finlayson, Christopher Edward; Koepf, Matthieu; Kitto, Heather J.; Ulgut, Burak; Otten, Matthijs B. J.; Cornelissen, Jeroen J. L. M.; Nolte, Roeland J. M.; Rowan, Alan E.; Friend, Richard H. (2011-02-24)
    We report on the synthesis and detailed photophysical investigation of four model chromophore side chain polyisocyanopeptides: two homopolymers of platinum-porphyrin functionalized polyisocyanopeptides (Pt-porphyrin-PIC) ...
  • Finlayson, Christopher Edward; Snoswell, David R. E.; Spahn, Peter; Baumberg, Jeremy J. (2011-06)
    Polymer opal photonic-crystal fibers containing self-assembled submicron core-shell particles exhibit stretch-tunable color. These mechanically robust fibers can be produced in an industrially scalable extrusion process.
  • Wilding, Martin C.; Wilson, Mark; McMillan, Paul F. (2006)
    When amorphous materials are compressed their structures are expected to change in response to densification. In some cases, the changes in amorphous structure can be discontinuous and they can even have the character of ...
  • Flikkema, Edwin; Jelfs, Kim E.; Bromley, Stefan T. (2012-12-03)
    The low energy isomer spectrum of hydroxylated silica clusters, (SiO2)M(H2O)N, is investigated using global optimisation with an empirical potential and ab initio structural and energetic refinement. The cases M = 8, 16 ...
  • Wilding, Martin C.; Greaves, G. Neville; Van, Quang Vu; Majérus, Odile; Hennet, Louis (American Institute of Physics, 2009)
    Changes in the structure factor of yttria-alumina liquids have been identified in the supercooled range. Different inter-polyhedral configurations between AlO4 and YO6 groups distinguish low density and high density liquid ...
  • Wilding, Martin C.; Benmore, C. J. (2006-01)
    The liquid state dominates terrestrial and planetary processes. The history of the early solar system for example involved the accretion of primarily molten bodies. In cooler temperature regimes, interplanetary dust, comets ...
  • Wilding, Martin Charles; Guthrie, Malcolm; Kohara, Shinji; Bull, Craig L.; Akola, Jaakko; Tucker, Matt G. (2012-06-06)
    The magnesium silicate system is an important geophysical analogue and neutron diffraction data from glasses formed in this system may also provide an initial framework for understanding the structure-dependent properties ...
  • Cristiglio, V.; Hennet, L.; Cuello, G. J.; Pozdnyakova, I.; Johnson, M. R.; Fischer, H. E.; Zanghi, D.; Vu Van, Q.; Wilding, Martin Charles; Greaves, Neville; Price, D. L. (2007)
    We used the aerodynamic levitation technique combined with CO2 laser heating to study the structure of liquid yttrium aluminates above theirmelting point with neutron diffraction. For various yttria contents, we determined ...

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