Characterization of Binary Uranium Oxides by Infrared Spectroscopy-Reference-Cited by-同舟云学术

Characterization of Binary Uranium Oxides by Infrared Spectroscopy

Published:1994-04 Issue:4 Volume:48 Page:525-530
ISSN:0003-7028
Container-title:Applied Spectroscopy
language:en
Short-container-title:Appl Spectrosc

Author:

Allen Geoffrey C.¹,Holmes Nigel R.¹

Affiliation:

1. University of Bristol, Interface Analysis Centre, Oldbury House, 121 St. Michael's Hill, Bristol BS2 8BS, England (G.C.A.); and BP Chemicals Ltd, Works Laboratory, Bo'ness Road, Grangemouth, Scotland (N.R.H.)

Abstract

In this study transmission infrared spectra were recorded for 15 uranium oxides previously characterized by X-ray diffraction. The infrared spectra obtained demonstrated that all the uranium oxides studied could be distinguished, even for the closely similar structures of UO2 and U4O9. The infrared studies of U4O9 near the temperature of the α-U4O9 to β-U4O9 phase transition showed that an absorption at 670 cm−1 could be related to the ordering of oxygen interstitials in the fluorite lattice. A similar absorption was observed for β-U3O7 but was found to be absent in α-U3O7. The local coordination of oxygen/metal clusters in β-U4O9 and β-U3O7 appeared to be similar.

Publisher

SAGE Publications

Subject

Spectroscopy,Instrumentation

Link

http://journals.sagepub.com/doi/pdf/10.1366/000370294775268893

Reference20 articles.

1. Infrared spectroscopy of the uranium/oxygen system

2. Infrared Characterization of Uranium Oxide Powders Using a Metal Light Pipe

3. The Far-IR Spectra of UO2, α-U3O8, and γ-UO3 Using the Light Pipe Reflection Method

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