Raman spectra of Ho1−xNdxFe(BO3)4 (x=1, 0.75, 0.5, 0.25) have been studied in temperature range 10–400K. Two compositions (x=1, x=0.75) demonstrate structural phase transition with soft mode restor... Click to show full abstract
Raman spectra of Ho1−xNdxFe(BO3)4 (x=1, 0.75, 0.5, 0.25) have been studied in temperature range 10–400K. Two compositions (x=1, x=0.75) demonstrate structural phase transition with soft mode restor...
               
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