Study of impurities in alpha-Al2O3powders and crystals using EPR spectroscopy

Autor: Kulig, D., Gieszczyk, W., Stefaniuk, I., Rogalska, I., Marczewska, B., Bilski, P.
Zdroj: Chinese Journal of Physics; October 2017, Vol. 55 Issue: 5 p2100-2105, 6p
Abstrakt: •The EPR investigations were carried out to identify impurities in Al2O3samples.•The results of the EPR measurements show a small amount of Fe 3+and Cr3+ions.•The impurities occur in the nominally pure feed materials and in the grown crystals.
Databáze: Supplemental Index