Characterization of uranium tetrafluoride (UF4) with Raman spectroscopy
Abstract
The Raman spectrum of uranium tetrafluoride (UF4) is unambiguously characterized with multiple Raman excitation laser sources for the first time. Across different laser excitation wavelengths, UF4 demonstrates 16 distinct Raman bands within the 50-400 cm-1 region. The observed Raman bands are representative of various F-F vibrational modes. UF4 also shows intense fluorescent bands in the 325 – 750 nm spectral region. Comparison of the UF4 spectrum with the ZrF4 spectrum, its crystalline analog, demonstrates a similar Raman band structure consistent with group theory predictions for expected Raman bands. Additionally, a demonstration of combined scanning electron microscopy (SEM) and in situ Raman spectroscopy microanalytical measurements of UF4 particulates shows that despite the inherent weak intensity of Raman bands, identification and characterization are possible for micron-sized particulates with modern instrumentation. The published well characterized UF4 spectrum is extremely relevant to nuclear materials and nuclear safeguard applications.
- Authors:
-
- Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
- Publication Date:
- Research Org.:
- Savannah River Site (SRS), Aiken, SC (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1254430
- Report Number(s):
- SRNL-L2200-2015-00086
Journal ID: ISSN 0377-0486
- Grant/Contract Number:
- AC09-08SR22470
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Raman Spectroscopy
- Additional Journal Information:
- Journal Name: Journal of Raman Spectroscopy; Journal ID: ISSN 0377-0486
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; uranium tetrafluoride; nuclear forensics; in situ SEM/Raman spectroscopy
Citation Formats
Villa-Aleman, Eliel, and Wellons, Matthew S. Characterization of uranium tetrafluoride (UF4) with Raman spectroscopy. United States: N. p., 2016.
Web. doi:10.1002/jrs.4909.
Villa-Aleman, Eliel, & Wellons, Matthew S. Characterization of uranium tetrafluoride (UF4) with Raman spectroscopy. United States. https://doi.org/10.1002/jrs.4909
Villa-Aleman, Eliel, and Wellons, Matthew S. Tue .
"Characterization of uranium tetrafluoride (UF4) with Raman spectroscopy". United States. https://doi.org/10.1002/jrs.4909. https://www.osti.gov/servlets/purl/1254430.
@article{osti_1254430,
title = {Characterization of uranium tetrafluoride (UF4) with Raman spectroscopy},
author = {Villa-Aleman, Eliel and Wellons, Matthew S.},
abstractNote = {The Raman spectrum of uranium tetrafluoride (UF4) is unambiguously characterized with multiple Raman excitation laser sources for the first time. Across different laser excitation wavelengths, UF4 demonstrates 16 distinct Raman bands within the 50-400 cm-1 region. The observed Raman bands are representative of various F-F vibrational modes. UF4 also shows intense fluorescent bands in the 325 – 750 nm spectral region. Comparison of the UF4 spectrum with the ZrF4 spectrum, its crystalline analog, demonstrates a similar Raman band structure consistent with group theory predictions for expected Raman bands. Additionally, a demonstration of combined scanning electron microscopy (SEM) and in situ Raman spectroscopy microanalytical measurements of UF4 particulates shows that despite the inherent weak intensity of Raman bands, identification and characterization are possible for micron-sized particulates with modern instrumentation. The published well characterized UF4 spectrum is extremely relevant to nuclear materials and nuclear safeguard applications.},
doi = {10.1002/jrs.4909},
journal = {Journal of Raman Spectroscopy},
number = ,
volume = ,
place = {United States},
year = {Tue Mar 22 00:00:00 EDT 2016},
month = {Tue Mar 22 00:00:00 EDT 2016}
}
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Works referencing / citing this record:
UF 4 and the High‐Pressure Polymorph HP‐UF 4
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Raman spectroscopy: A tool to investigate alpha decay damage in a PuO 2 crystal lattice and determining sample age since calcination
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Metastable electronic states in uranium tetrafluoride
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