Chemical effects of lanthanides and actinides in glasses determined with electron energy loss spectroscopy

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Chemical and structural environments of f-electron elements in glasses are the origin of many of the important properties of materials with these elements; thus oxidation state and chemical coordination of lanthanides and actinides in host materials is an important design consideration in optically active glasses, magnetic materials, perovskite superconductors, and nuclear waste materials. We have made use of the line shapes of Ce to determine its oxidation state in alkali borosilicate glasses being developed for immobilization of Pu. Examination of several prototype waste glass compositions with EELS shows that the redox state of Ce doped to 7 wt% could be ... continued below

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4 p.

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Fortner, J.A.; Buck, E.C.; Ellison, A.J.G. & Bates, J.K. July 1, 1996.

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Chemical and structural environments of f-electron elements in glasses are the origin of many of the important properties of materials with these elements; thus oxidation state and chemical coordination of lanthanides and actinides in host materials is an important design consideration in optically active glasses, magnetic materials, perovskite superconductors, and nuclear waste materials. We have made use of the line shapes of Ce to determine its oxidation state in alkali borosilicate glasses being developed for immobilization of Pu. Examination of several prototype waste glass compositions with EELS shows that the redox state of Ce doped to 7 wt% could be varied by suitable choice of alkali elements. EELS for a Pu-doped glass illustrate the small actinide N{sub 4}/N{sub 5} intensity ratio and show that the Pu-N{sub 4,5} white line cross section is comparable to that of Gd M{sub 4,5}.

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4 p.

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INIS; OSTI as DE96012708

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  • 30. annual meeting of Microbeam Analysis Society, Minneapolis, MN (United States), 11-15 Aug 1996

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  • Other: DE96012708
  • Report No.: ANL/CMT/CP--89567
  • Report No.: CONF-9608108--3
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 267466
  • Archival Resource Key: ark:/67531/metadc667808

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Office of Scientific & Technical Information Technical Reports

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  • July 1, 1996

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  • June 29, 2015, 9:42 p.m.

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  • Dec. 14, 2015, 5:04 p.m.

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Fortner, J.A.; Buck, E.C.; Ellison, A.J.G. & Bates, J.K. Chemical effects of lanthanides and actinides in glasses determined with electron energy loss spectroscopy, article, July 1, 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc667808/: accessed April 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.