Spectroscopy and dynamics of 5f states of Es{sup 3+} in LaF{sub 3}

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Using time- and wavelength-resolved laser-induced fluorescence methods, the 5f state spectroscopy and photodynamics of {sup 253}Es{sup 3+} in LaF{sub 3} have been investigated. Based on an effective operator Hamiltonian model and approximating the metal ion site symmetry as C{sub 2V}, a set of crystal field parameters has been obtained that fit the 56 assigned levels associated with the 7 states of Es{sup 3+} that were observed. The {sup 5}F{sub 5} emitting state of Es{sup 3+} exhibited a decay rate that approached the expected purely radiative decay of the state. This suggests that the shorter lifetime previously found for this state ... continued below

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15 p.

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Beitz, J.V.; Williams, C.W. & Liu, G.K. November 1, 1997.

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Description

Using time- and wavelength-resolved laser-induced fluorescence methods, the 5f state spectroscopy and photodynamics of {sup 253}Es{sup 3+} in LaF{sub 3} have been investigated. Based on an effective operator Hamiltonian model and approximating the metal ion site symmetry as C{sub 2V}, a set of crystal field parameters has been obtained that fit the 56 assigned levels associated with the 7 states of Es{sup 3+} that were observed. The {sup 5}F{sub 5} emitting state of Es{sup 3+} exhibited a decay rate that approached the expected purely radiative decay of the state. This suggests that the shorter lifetime previously found for this state of Es{sup 3+} in LaCl{sub 3} arose from radiation damage induced by alpha decay of {sup 253}Es.

Physical Description

15 p.

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INIS; OSTI as DE98050566

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  • Actinides `97: international conference on actinides, Baden-Baden (Germany), 21-26 Sep 1997

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  • Other: DE98050566
  • Report No.: ANL/CHM/CP--93673
  • Report No.: CONF-970907--
  • Grant Number: W-31109-ENG-38
  • DOI: 10.2172/554877 | External Link
  • Office of Scientific & Technical Information Report Number: 554877
  • Archival Resource Key: ark:/67531/metadc690659

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  • November 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Dec. 16, 2015, 4:25 p.m.

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Beitz, J.V.; Williams, C.W. & Liu, G.K. Spectroscopy and dynamics of 5f states of Es{sup 3+} in LaF{sub 3}, report, November 1, 1997; Illinois. (digital.library.unt.edu/ark:/67531/metadc690659/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.