Abstract

The Zeeman effect was observed in Tb3Ga5O12 single crystal for H∥[110]. Obtained results were used to determine the crystal electric field (CEF) parameters of the excited 5D4 multiplet of Tb3+ ion and exclude Γ1 symmetry for the lowest level of 7F6 ground state. The second order CEF parameters of the ground 7F6 multiplet were determined by fitting the magnetization measured for H∥[001] and H∥[110].

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