Search Results - "Hannon, Alex C"

Structures of Uncharacterised Polymorphs of Gallium Oxide from Total Neutron Diffraction by Playford, Helen Y., Hannon, Alex C., Barney, Emma R., Walton, Richard I.

“…A structural investigation is reported of polymorphs of Ga2O3 that, despite much interest in their properties, have hitherto remained uncharacterised due to…”
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Neutron Diffraction and Raman Studies of the Incorporation of Sulfate in Silicate Glasses by Vaishnav, Shuchi, Hannon, Alex C, Barney, Emma R, Bingham, Paul A

“…The oxidation state, coordination, and local environment of sulfur in alkali silicate (R2O–SiO2; R = Na, Li) and alkali/alkaline-earth silicate (Na2O–MO–SiO2;…”
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The structure of sodium silicate glass from neutron diffraction and modeling of oxygen‐oxygen correlations by Hannon, Alex C., Vaishnav, Shuchi, Alderman, Oliver L. G., Bingham, Paul A.

“…It is shown that modeling the first oxygen‐oxygen peak in the neutron correlation function of a glass enables structural information about other correlations…”
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Drastic Connectivity Change in High Refractive Index Lanthanum Niobate Glasses by Masuno, Atsunobu, Kohara, Shinji, Hannon, Alex C, Bychkov, Eugene, Inoue, Hiroyuki

“…The highly ionic, high refractive index La2O3–Nb2O5 system has a La-rich glass forming region and another Nb-rich glass forming region. The La-rich and Nb-rich…”
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Structure and properties of densified silica glass: characterizing the order within disorder by Onodera, Yohei, Kohara, Shinji, Salmon, Philip S., Hirata, Akihiko, Nishiyama, Norimasa, Kitani, Suguru, Zeidler, Anita, Shiga, Motoki, Masuno, Atsunobu, Inoue, Hiroyuki, Tahara, Shuta, Polidori, Annalisa, Fischer, Henry E., Mori, Tatsuya, Kojima, Seiji, Kawaji, Hitoshi, Kolesnikov, Alexander I., Stone, Matthew B., Tucker, Matthew G., McDonnell, Marshall T., Hannon, Alex C., Hiraoka, Yasuaki, Obayashi, Ippei, Nakamura, Takenobu, Akola, Jaakko, Fujii, Yasuhiro, Ohara, Koji, Taniguchi, Takashi, Sakata, Osami

“…The broken symmetry in the atomic-scale ordering of glassy versus crystalline solids leads to a daunting challenge to provide suitable metrics for describing…”
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Bent HgI2 Molecules in the Melt and Sulfide Glasses: Implications for Nonlinear Optics by Kassem, Mohammad, Bokova, Maria, Tverjanovich, Andrey S, Fontanari, Daniele, Le Coq, David, Sokolov, Anton, Masselin, Pascal, Kohara, Shinji, Usuki, Takeshi, Hannon, Alex C, Benmore, Chris J, Bychkov, Eugene

“…Nonlinear optical (NLO) crystals are widely used in advanced photonic technologies for second harmonic and difference frequency generation (SHG and DFG,…”
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Dimeric Molecular Structure of Molten Gallium Trichloride and a Hidden Evolution toward a Possible Liquid–Liquid Transition by Usuki, Takeshi, Bokova, Maria, Kassem, Mohammad, Ohara, Koji, Hannon, Alex C, Bychkov, Eugene

“…Group 13 trihalides MY3 (M = Al, Ga, and In; Y = Cl, Br, and I) mostly having a dimeric M2Y6 molecular structure in the solid state and a mixture of M2Y6…”
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Unexpected role of metal halides in a chalcogenide glass network by Zaiter, Rayan, Kassem, Mohammad, Fontanari, Daniele, Sokolov, Anton, Usuki, Takeshi, Bokova, Maria, Hannon, Alex C., Benmore, Chris J., Cousin, Fabrice, Ozheredov, Ilya, Bychkov, Eugene

“…[Display omitted] •Silver halides in AgY-As2S3 (Y = Br, I) glasses behave as unconventional modifiers.•Formation of terminal sulfur with AgY additions is…”
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Neutron scattering length determination by means of total scattering by Hannon, Alex C., Gibbs, Alexandra S., Takagi, Hidenori

“…A new method for the measurement of bound coherent neutron scattering lengths is reported. It is shown that a relative measurement of the neutron scattering…”
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Study of the Structure of Zn and Na Borophosphate Glasses Using X-ray and Neutron Scattering Techniques by Hoppe, Uwe, Freudenberger, Parker T., Brow, Richard K., Bednarčik, Jozef, Hannon, Alex C.

“…The atomic structures of Zn and Na borophosphate glasses were studied using X-ray and neutron scattering techniques. Peaks assigned to the B−O, P−O, and O−O…”
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Structural Disorder in (Bi, M)2(Fe, Mn, Bi)2O6+x (M = Na or K) Pyrochlores Seen from Reverse Monte Carlo Analysis of Neutron Total Scattering by Daniels, Luke M, Playford, Helen Y, Hannon, Alex C, Walton, Richard I

“…The average structures of the polycrystalline pyrochlores (Na0.60Bi1.40)­(Fe1.06Mn0.17Bi0.77)­O6.87 and (K0.24Bi1.51)­(Fe1.07Mn0.15Bi0.78)­O6.86 can be refined…”
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Local and Average Structure in Zinc Cyanide: Toward an Understanding of the Atomistic Origin of Negative Thermal Expansion by Hibble, Simon J, Chippindale, Ann M, Marelli, Elena, Kroeker, Scott, Michaelis, Vladimir K, Greer, Brandon J, Aguiar, Pedro M, Bilbé, Edward J, Barney, Emma R, Hannon, Alex C

“…Neutron diffraction at 11.4 and 295 K and solid-state 67Zn NMR are used to determine both the local and the average structures in the disordered, negative…”
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Surprises from a Simple Material--The Structure and Properties of Nickel Cyanide by Hibble, Simon J, Chippindale, Ann M, Pohl, Alexander H, Hannon, Alex C

“…The cyanide switch. The bonding of the cyanide ligand of Ni(CN)2⋅n H2O changes dramatically on dehydration to Ni(CN)2, equalizing the NiC and NiN bonds and…”
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Bonding and structure in network glasses by Hannon, Alex C.

“…The aim of this paper is to foster greater use of the concepts of electrostatic bond strength and bond valence in the interpretation of glass structure…”
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Nanocrystalline Cerium−Bismuth Oxides: Synthesis, Structural Characterization, and Redox Properties by Sardar, Kripasindhu, Playford, Helen Y, Darton, Richard J, Barney, Emma R, Hannon, Alex C, Tompsett, David, Fisher, Janet, Kashtiban, Reza J, Sloan, Jeremy, Ramos, Silvia, Cibin, Giannantonio, Walton, Richard I

“…The hydrothermal oxidation of Ce3+ in basic aqueous solution by NaBiVO3 at 240 °C produces fine powders of cerium−bismuth oxides with crystallite sizes of less…”
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Neutron diffraction investigation of copper tellurite glasses with high real‐space resolution by Kaur, Navjot, Khanna, Atul, Hannon, Alex C.

“…High real‐space resolution neutron diffraction measurements up to 34 Å−1 were performed on a series of xCuO–(100 − x)TeO2 (x = 30, 40 and 50 mol%) glasses that…”
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Results on disordered materials from the GEneral Materials diffractometer, GEM, at ISIS by Hannon, Alex C.

“…The GEneral Materials diffractometer, GEM, at the ISIS Facility pulsed neutron source is the most advanced materials neutron diffractometer in the world. A…”
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Chemical and Structural Variety in Sodium Thioarsenate Glasses Studied by Neutron Diffraction and Supported by First-Principles Simulations by Kassem, Mohammad, Bounazef, Tinehinane, Fontanari, Daniele, Sokolov, Anton, Bokova, Maria, Hannon, Alex C, Bychkov, Eugene

“…Sodium-conducting sulfide glasses are promising materials for the next generation of solid-state batteries. Deep insight into the glass structure is required…”
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Lead silicate glass structure: New insights from diffraction and modeling of probable lone pair locations by Alderman, Oliver L. G., Hannon, Alex C., Holland, Diane, Dupree, Ray, Lehr, Gloria, Vitale, Adam, Feller, Steve

“…Structures of binary PbO‐SiO2 glasses have been studied in detail over the compositional range 35 to 80 mol% PbO using high‐resolution neutron diffraction,…”
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Terminal Oxygens in Amorphous TeO2 by Barney, Emma R, Hannon, Alex C, Holland, Diane, Umesaki, Norimasa, Tatsumisago, Masahiro, Orman, Robin G, Feller, Steve

“…Understanding the structure of single-component glasses is essential for developing structural models of more complex multicomponent glasses. Currently, such…”
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