The structure of tellurite glass: A combined NMR, neutron diffraction, and x-ray diffraction study

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Models are presented of sodium tellurite glasses in the composition range (Na{sub 2}0){sub x}-(TeO{sub 2}){sub 1{minus}x}. 0.1 < x < 0.3. The models combine self-consistently data from three different and complementary sources: sodium-23 nuclear magnetic resonance (NMR), neutron diffraction, and x-ray diffraction. The models were generated using the Reverse Monte Carlo algorithm, modified to include NMR data in addition to diffraction data. The presence in the models of all five tellurite polyhedra consistent with the Te{sup +4} oxidation state were found to be necessary to achieve agreement with the data. The distribution of polyhedra among these types varied from a ... continued below

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23 p.

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McLaughlin, J. C.; Tagg, S. L.; Zwanzier, J. W.; Shastri, S. D. & Haeffner, D. R. April 4, 2000.

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  • Argonne National Laboratory
    Publisher Info: Argonne National Laboratory, Argonne, IL (United States)
    Place of Publication: Argonne, Illinois

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Models are presented of sodium tellurite glasses in the composition range (Na{sub 2}0){sub x}-(TeO{sub 2}){sub 1{minus}x}. 0.1 < x < 0.3. The models combine self-consistently data from three different and complementary sources: sodium-23 nuclear magnetic resonance (NMR), neutron diffraction, and x-ray diffraction. The models were generated using the Reverse Monte Carlo algorithm, modified to include NMR data in addition to diffraction data. The presence in the models of all five tellurite polyhedra consistent with the Te{sup +4} oxidation state were found to be necessary to achieve agreement with the data. The distribution of polyhedra among these types varied from a predominance of highly bridged species at low sodium content, to polyhedra with one or zero bridging oxygen at high sodium content. The models indicate that the sodium cations themselves form sodium oxide clusters particularly at the x = 0.2 composition.

Physical Description

23 p.

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OSTI as DE00754486

Medium: P; Size: 23 pages

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  • 9th International Meeting on the Physics of Non-crystalline Solids, Tucson, AZ (US), 10/17/2000--10/21/2000

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  • Report No.: ANL/UPD/CP-101520
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 754486
  • Archival Resource Key: ark:/67531/metadc706397

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  • April 4, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 10, 2017, 3:58 p.m.

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McLaughlin, J. C.; Tagg, S. L.; Zwanzier, J. W.; Shastri, S. D. & Haeffner, D. R. The structure of tellurite glass: A combined NMR, neutron diffraction, and x-ray diffraction study, article, April 4, 2000; Argonne, Illinois. (digital.library.unt.edu/ark:/67531/metadc706397/: accessed December 12, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.