Abstract
Abstract The absorption spectrum of Mn2+ in LiKSO4 has been studied at both room and liquid nitrogen temperatures. The structure of 4A1g (G) + 4Eg (G) band has been explained as due to the lattice vibrational frequency in the crystal. The structure of 4T2g (D) band has been explained as due to spinorbit interaction. The observed band positions are fitted with four parameters B, C, Dq and α and the best fit is obtained with B = 825 cm−1, C = 3060 cm−1, Dq = 810 cm−1 and α = 76 cm−1.
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