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Intervalence Electron Transfer and Magnetic Exchange in Reduced Nontronite
Intervalence electron transfer Iron Magnetic susceptibility Nontronite Reduction UV-visible spectroscopy
2012/1/11
The effects of chemical reduction of structural Fe3+ in nontronite SWa-1 (ferruginous smectite) on intervalence electron transfer (IT) and magnetic exchange were investigated. Visible absorption spect...
Interpretation of Infrared Spectra of Oxidized and Reduced Nontronite
Oxidized Reduced Nontronite Interpretation structural hydroxyls
2012/2/13
Infrared spectra of nontronite reveal shifts to lower wave, number in peaks located at 3570, 1030, and 821 cm−1, which are assigned to vibrational modes for O-H stretching, Si-Ob (basal oxygens)...