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Structure of praseodymium and neodymium gallate glasses


Reference:

Wezka, K., Zeidler, A., Salmon, P. S., Kidkhunthod, P., Barnes, A. C. and Fischer, H. E., 2011. Structure of praseodymium and neodymium gallate glasses. Journal of Non-Crystalline Solids, 357 (14), pp. 2511-2515.

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    Official URL:

    http://dx.doi.org/10.1016/j.jnoncrysol.2010.12.058

    Abstract

    The rare-earth gallate glasses R 4Ga6O15, where R denotes Pr or Nd, were prepared using an aerodynamic levitator and laser heating system. The structure was studied by applying the method of isomorphic substitution in neutron diffraction which allows for an identification of the gallium and rare-earth coordination environments. The results give a mean Ga-O coordination number of 4.2(1) at a distance of 1.85(2) A and a mean R-O coordination number of 7.4(2) at a mean distance of 2.38(2) A. The experimental results are consistent with a glass network built from GaO4 tetrahedra and with the presence of GaO6 octahedra at the 10(5)% level.

    Details

    Item Type Articles
    CreatorsWezka, K., Zeidler, A., Salmon, P. S., Kidkhunthod, P., Barnes, A. C. and Fischer, H. E.
    DOI10.1016/j.jnoncrysol.2010.12.058
    DepartmentsFaculty of Science > Physics
    RefereedYes
    StatusPublished
    ID Code23033

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