Abstract

EPR of Mn2+ doped in single crystals of strontium acetate hemihydrate [Sr(CH3COO)2⋅1/2H2O] has been studied in detail at ∼300 K and the spin Hamiltonian analysis is presented. The angular variation of the EPR spectrum of Cu2+ in strontium acetate hemihydrate crystals in relation to the principal axes of the D-tensor of Mn2+ has also been studied. From this study the unit cell symmetry of strontium acetate hemihydrate crystal is determined to be triclinic, contrary to the previously reported monoclinic symmetry from a preliminary x-ray structure analysis. It is further concluded that Cu2+ and Mn2+ get incorporated at different sites in strontium acetate hemihydrate crystals.

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