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Transition metal 2p x-ray photoelectron and high-resolution Kα x-ray emission spectra of K2CrO4 and KMnO4

✍ Scribed by Masaoki Oku; Kazuaki Wagatsuma; Tokuzo Konishi

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
104 KB
Volume
28
Category
Article
ISSN
0049-8246

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✦ Synopsis

Chromium and manganese 2p x-ray photoelectron spectra (XPS) were measured for K 2 CrO 4 (potassium chromate) and KMnO 4 (potassium permanganate) single crystals fractured in situ in an electron spectrometer. High-resolution Cr and Mn Ka x-ray emission spectra were taken for comparison with the XPS spectra. The observed XPS spectra were deconvoluted by O 1s spectra to remove the inelastic scattering energy loss parts from them. Satellite peaks in the deconvoluted Cr 2p and Mn 2p were not observed. The intensity ratios of 2p 3/2 to 2p 1/2 of the deconvoluted spectra of K 2 CrO 4 and KMnO 4 were 5 : 1 and 3.5 : 1, respectively. The ratios were significantly different from the theoretical photoionization cross-sections of 1.93 : 1. The intensity ratio of Ka 1 to Ka 2 was about 2 : 1 for both compounds.

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