Now showing items 1-4 of 4

  • Characterization of Structural Disorder in γ-Ga2O3 

    Playford, Helen. Y.; Hannon, Alex C.; Tucker, Matthew G.; Dawson, Daniel M.; Ashbrook, Sharon E.; Kastiban, Reza J.; Sloan, Jeremy; Walton, Richard I. (2014-07-24) - Journal article
    Solvothermal oxidation of metallic gallium in monoethanolamine for 72 h at 240 degrees C yields a crystalline sample of gamma-Ga2O3 (similar to 30 nm crystallites). While Rietveld refinement (cubic spinel structure, Fd (3) ...
  • High-temperature phases of multiferroic BiFe0.7Mn0.3O3 

    Gibbs, Alexandra S.; Arnold, Donna C.; Knight, Kevin S.; Lightfoot, Philip (2013-06-17) - Journal article
    We report the results of a high-resolution powder neutron-diffraction study of multiferroic BiFe0.7Mn0.3O3. We have confirmed the previous assignment of the alpha phase and beta phase as having R3c and Pbnm symmetry, ...
  • Hydrogen induced optically-active defects in silicon photonic nanocavities 

    Boninelli, S.; Franzo, G.; Cardile, P.; Priolo, F.; Lo Savio, R.; Galli, M.; Shakoor, A.; O'Faolain, L.; Krauss, T. F.; Vines, L.; Svensson, B. G. (2014-04-21) - Journal article
    We demonstrate intense room temperature photoluminescence (PL) from optically active hydrogen- related defects incorporated into crystalline silicon. Hydrogen was incorporated into the device layer of a silicon on insulator ...
  • Tris(ethylenediamine)zinc(II) hexafluoridosilicate 

    Li, Yang; Shi, Qi; Slawin, Alexandra M. Z.; Woollins, J. Derek; Dong, Jinxiang (2009-12) - Journal article
    The title compound, [Zn(C2H8N2)(3)](SiF6), was synthesized ionothermally using choline chloride-imidazolidone as solvent and template provider. In the crystal structure, the anions and cations are located on special positions ...