Understanding the O4,5 edge structure of actinide metals

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Using electron energy-loss spectroscopy (EELS) and many-electron atomic spectral calculations, we examine the O{sub 4,5} (5d {yields} 5f) edge structure of the ground-state {alpha} phase of Th, U, Np, Pu, Am, and Cm metal. Results show that the dipole-allowed transitions are contained within the giant resonance and that the small pre-peak in the actinide 5d {yields} 5f transition should not be labeled the O{sub 5} peak, but rather the {Delta}S=1 peak. Lastly, we present for the first time the O{sub 4,5} EELS spectra for Np, Am, and Cm metal.

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Butterfield, M; Moore, K; der Laan, G v; Wall, M & Haire, D December 12, 2007.

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Using electron energy-loss spectroscopy (EELS) and many-electron atomic spectral calculations, we examine the O{sub 4,5} (5d {yields} 5f) edge structure of the ground-state {alpha} phase of Th, U, Np, Pu, Am, and Cm metal. Results show that the dipole-allowed transitions are contained within the giant resonance and that the small pre-peak in the actinide 5d {yields} 5f transition should not be labeled the O{sub 5} peak, but rather the {Delta}S=1 peak. Lastly, we present for the first time the O{sub 4,5} EELS spectra for Np, Am, and Cm metal.

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PDF-file: 14 pages; size: 0.4 Mbytes

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  • Journal Name: Physical Review B, vol. 77, n/a, March 31, 2008, pp. 113109; Journal Volume: 77

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  • Report No.: UCRL-JRNL-237262
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 944296
  • Archival Resource Key: ark:/67531/metadc902128

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Office of Scientific & Technical Information Technical Reports

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  • December 12, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 8, 2016, 1:12 p.m.

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Butterfield, M; Moore, K; der Laan, G v; Wall, M & Haire, D. Understanding the O4,5 edge structure of actinide metals, article, December 12, 2007; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc902128/: accessed September 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.