Structural analysis of a completely amorphous {sup 238}Pu-doped zircon by neutron diffraction.

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The structure of a completely amorphous zircon was determined by time-of-flight neutron diffraction at Argonne's Intense Pulsed Neutron Source (IPNS). The sample of metamict zircon (ZrSiO{sub 4}),initially doped to 8.85 weight percent {sup 238}Pi, had been completely amorphized by alpha-recoil damage since its synthesis in 1981 at the Pacific Northwest National Laboratory (PNNL). The measured diffraction structure factor, S(Q), indicated a completely amorphous sample, with no signs of residual zircon microcrystallinity. The pair distribution function obtained indicated that the structure was that of an oxide glass, retaining the Si-0, Zr-0, and O-O bond lengths of crystalline zircon.

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8 p.

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Fortner, J. A. December 16, 1998.

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The structure of a completely amorphous zircon was determined by time-of-flight neutron diffraction at Argonne's Intense Pulsed Neutron Source (IPNS). The sample of metamict zircon (ZrSiO{sub 4}),initially doped to 8.85 weight percent {sup 238}Pi, had been completely amorphized by alpha-recoil damage since its synthesis in 1981 at the Pacific Northwest National Laboratory (PNNL). The measured diffraction structure factor, S(Q), indicated a completely amorphous sample, with no signs of residual zircon microcrystallinity. The pair distribution function obtained indicated that the structure was that of an oxide glass, retaining the Si-0, Zr-0, and O-O bond lengths of crystalline zircon.

Physical Description

8 p.

Notes

INIS; OSTI as DE00011025

Medium: P; Size: 8 pages

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  • MRS 1998 Fall Meeting, Boston, MA (US), 11/30/1998--12/04/1998

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  • Report No.: ANL/CMT/CP-96768
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 11025
  • Archival Resource Key: ark:/67531/metadc621171

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  • December 16, 1998

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  • June 16, 2015, 7:43 a.m.

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  • April 11, 2017, 7:06 p.m.

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Fortner, J. A. Structural analysis of a completely amorphous {sup 238}Pu-doped zircon by neutron diffraction., article, December 16, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc621171/: accessed November 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.