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Identification of the absorption bands in KI:Pb 2+ crystals
Author(s) -
Tsuboi T.
Publication year - 1979
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220960134
Subject(s) - absorption (acoustics) , magnetic circular dichroism , analytical chemistry (journal) , ion , spectral line , absorption spectroscopy , chemistry , crystallography , materials science , nuclear magnetic resonance , physics , optics , organic chemistry , chromatography , astronomy , composite material
Absorption and magnetic circular dichroism spectra of KI:Pb 2+ single crystals are investigated at temperatures from 80 to 375 K, which are compared with the spectra of KBr:Pb 2+ . The absorption spectra of KI:Pb 2+ at 80 K show five bands centred at 348.0, 290, 273.1, 252.3, and 225 nm, which are assigned to the so‐called A, B, C, D′, and D bands, respectively. The D″ and D bands are attributed to the electron transfer from I − to Pb 2+ in a PbI 4− 6 complex ion.
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