Manifestation of magnetoelastic interactions in Raman spectra of HoxNd1−xFe3(BO3)4 crystals

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...