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(Yb)
7,861 results
  • The Second Spectrum of Ytterbium (Yb II). [Journal Article]
    J Res Natl Bur Stand A Phys Chem 1967 Nov-Dec; 71A(6):396-546Meggers WF
  • The analysis of Yb II provides the most complete interpretation of a complex rare-earth spectrum known to date. The total number of energy levels is 315; 141 even levels and 174 odd levels. Three coupling schemes are represented: LS-coupling for the terms 4f 14 ns 2S(n = 6, 7, 8); 4f 14 nd 2D(n = 5, 6, 7) and 4f 13 6s 2 2F°: J I J II-coupling for the levels from the configurations 4f 13 6s 6p and…
  • Wavelengths, Intensities, and Zeeman Patterns in Ytterbium Spectra (Yb I, II, III, IV). [Journal Article]
    J Res Natl Bur Stand A Phys Chem 1966 Jan-Feb; 70A(1):63-106Meggers WF, Corliss CH
  • In 1937, Meggers and Scribner published a paper on arc and spark spectra of ytterbium providing wavelengths, relative intensities, and spectrum numbers of 1668 spectral lines, including about 400 for Yb I, 1250 for Yb II, and 12 for Yb III. That work was handicapped by impure materials and conventional light sources. When pure ytterbium metal and new light sources became available in 1950, Megger…
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