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This article is devoted to study of Cr3+ ion complexes in NH2(CH3)2Me1-xCrx(SO4)2 × 6H2O, Me = Al, Ga (DMAMe1-xCrxS) crystals. On the basis of spectroscopic data the energy diagram and the parameters of the crystal field corresponding to the above mentioned complexes were specified. It was shown that isomorphous substitution of the metal ion practically does not affect the temperature of ferroelectric-ferroelastic...
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