Journal
JOURNAL OF LUMINESCENCE
Volume 130, Issue 2, Pages 280-282Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jlumin.2009.09.003
Keywords
f-d transition; Divalent lanthanide; Samarium; Ytterbium; Molten salt; Absorption spectroscopy
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Funding
- Korea Ministry of Science and Technology
- National Research Foundation of Korea [2007-2000132] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We have measured the absorption spectra of Sm(II) and Yb(II) ions in LiCl-KCl eutectic at 450 degrees C. The UV spectra of Sm(II) and Yb(II) exhibited intense and broad peaks at around similar to 260 nm, which is attributable to the 4f-5d transitions. With the aid of the UV-vis spectroscopic method, in-situ identification of spontaneous reduction of trivalent Sm and Yb ions to divalent ions was achieved. (C) 2009 Elsevier B.V. All rights reserved.
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