Absorption Lines of Manganous Acetate Tetrahydrate
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概要
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Five sharp absorption lines of Mn(CH_3COO)_2・4H_2O were found in the violet region at liquid helium temperature. The line at 24, 496 cm^<-1> and the quartet lines between 24, 695 cm^<-1> and 24, 770 cm^<-1> were assigned to the transitions from the ground state ^6A_1 to the excited states ^4A_1 and ^4E respectively. These transitions are caused by an electric dipole. The magnetic field dependence of relative intensities of these lines at 1.3°K was investigated, and it was concluded that the ordered state below 3.18°K is ferrimagnetic, that the preferred axis is the a axis and that the most difficult axis is the b axis. The results of susceptibility measurements and electron spin resonance were consistent with the present conclusion.
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関連論文
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