Free‐Ion and Crystalline Spectra of Pr3+ (Pr IV)
作者： H. M. Crosswhite , G. H. Dieke , Wm. J. Carter
DOI: 10.1063/1.1697073
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摘要: The spectrum of the free tripositive praseodymium ion (Pr IV) has been obtained under high resolution between 1200 A and infrared. analysis yielded all 49 levels four lowest configurations 4f2, 4f5d, 4f6s, 4f6p. comparison with crystal Pr3+ in various lattices shows a depression up to 5% anhydrous chlorides.The chlorides.
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