Spectroscopic Properties of Iron in Translucent Obsidian from the Artheni Deposit (Armenia)

The behavior of iron in the translucent dark-gray obsidian from the Artheni deposit was studied by optical absorption and EPR spectroscopy. The presence of iron in the Fe 2+ and Fe 3+ states was shown. Transitions in optical spectra and paramagnetic centers in EPR spectra were identified. By the met...

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Veröffentlicht in:	Journal of contemporary physics 2021, Vol.56 (1), p.13-21
Hauptverfasser:	Aghamalyan, N. R., Kafadaryan, Y. A., Manukyan, A. A., Gyulasaryan, H. T., Smbatyan, H. A., Szilágyi, V., Harsányi, I., Gméling, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Activation analysis Basic oxides Iron Neutron activation analysis Neutrons Obsidian Particle and Nuclear Physics Physics Physics and Astronomy Spectrum analysis
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The behavior of iron in the translucent dark-gray obsidian from the Artheni deposit was studied by optical absorption and EPR spectroscopy. The presence of iron in the Fe 2+ and Fe 3+ states was shown. Transitions in optical spectra and paramagnetic centers in EPR spectra were identified. By the methods of prompt gamma activation analysis (PGAA) and neutron activation analysis (NAA), the content of basic oxides, the amounts of iron, and other elements in the obsidian under study were determined.
ISSN:	1068-3372 1934-9378
DOI:	10.3103/S1068337221010023