Tópicos Especiais em Cerâmicas: Structural, Rheological and Electrical Properties of Glasses

    Sigla: CEM 727

    Total de Créditos: 01

    Caráter da Disciplina: Optativa

    Ementa:

    • From volcanic activities to the human glasses; role of cation in glasses and melts; redox of melts.
    • How measure viscosity of glasses and melts; how link structure and properties of silicate melts; Raman spectroscopy of silicate glasses and melts.
    • Raman spectroscopy Raman spectroscopy of silicate glasses and melts.
    • General introduction to electrical properties of glasses.
    • Electronic conduction and model; Ion conduction model and relaxation in glass.
    • Scaling properties of ion conduction and structural correlation.
    • Lab demonstration: measurement of glass viscosity.

    Bibliografia:

    1. Tópicos 1 a 4) - Daniel R. Neuville, Pascal Richet, Viscosity and mixing in molten (Ca, Mg) pyroxenes and garnets, Geochimica et Cosmochimica Acta Vol. 55, pp. 1011-1019, 1991. - Daniel R. Neuville, Charles Le Losq, Link between Medium and Long-range Order and Macroscopic Properties of Silicate Glasses and Melts, Reviews in Mineralogy & Geochemistry, Vol. 87 pp. 105-162, 2022. - James W.E. Drewitt, Louis Hennet, Daniel R. Neuville, From Short to Medium Range Order in Glasses and Melts by Diffraction and Raman Spectroscopy, Reviews in Mineralogy & Geochemistry, Vol. 87 pp. 55-103, 2022. - Daniel R. Neuville, Viscosity, structure and mixing in (Ca, Na) silicate melts, Chemical Geology 229, pp.28 – 41, 2006. - B. Cochain, D.R. Neuville, G.S. Henderson, C.A. McCammon, O. Pinet, P. Richet, Effect of Iron Content and Redox State on the Structure of Sodium Borosilicate Glasses: A Raman, Mössbauer and Boron K-Edge XANES Spectroscopy Study, J. Am. Ceram. Soc., pp. 1–10, 2012. - D.R. Neuville, L. Cormier, D. De Ligny, J. Roux, A-M. Flank, P. Lagarde, Environments around Al, Si, and Ca in aluminate and aluminosilicate melts by X-ray absorption spectroscopy at high temperature, American Mineralogist, Volume 93, pp. 228–234, 2008. - Julien Amalberti, Philippe Sarda, Charles Le Losq, Nicolas Sator, Tahar Hammouda, Eva Chamorro-Perez, Bertrand Guillot, Sylvie Le Floch, Daniel R. Neuville, Raman spectroscopy to determine CO2 solubility in mafic silicate melts at high pressure: Haplobasaltic, haploandesitic and approach of basaltic compositions,Chemical Geology, 582 (120413) 2021. - Ilyes Ben Kacem, Laurent Gautron, Daniel Coillot, Daniel R. Neuville, Structure and properties of lead silicate glasses and melts, Chemical Geology, 461, pp.104 -114, 2017. - Daniel R. Neuville, B.O., Mysen, Role of aluminium in the silicate network: In situ, high-temperature study of glasses and melts on the join SiO2-NaAlO2, Geochimica et Cosmochimica Acta Vol. 60, Nº 10, pp. 1727-1737, 1996. - Daniel R. Neuville, Laurent Cormier, Domninique Massiot, Al coordination and speciation in calcium aluminosilicate glasses: Effects of composition determined by 27 Al MQ-MAS NMR and Raman spectroscopy, Chemical Geology 229, pp. 173 – 185, 2006. - Daniel R. Neuville, Glass, an ubiquitous material, Le verre, un matériau omnipresente, Comptes Rendus, Géoscience — Sciences de la Planète, Vol. 354, Special Issue S1, pp. 1-14, 2022.
    2. Tópico 5) - N. F. Mott and E. A. Davis, Electronic Processes in Non-Crystalline Materials (Clarendon Press, Oxford). - A. Ghosh, Transport properties of vanadium germanate glassy semiconductors, Physical Review B, 42, 5665 (1990).
    3. Tópico 6) - A. Ghosh and A. Pan, Scaling of the conductivity spectra in ionic glasses: dependence on the structure, Physical Review Letters, 84, 2188 (2000).