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Low-temperature absorption spectra and electron structure of HoFe3(BO3)4 single crystal
2017
Low temperature physics (Woodbury, N.Y., Print)
Polarized absorption spectra of HoFe 3 (BO 3 ) 4 single crystal in the range of 8500-24500 cm -1 were studied as a function of temperature beginning from 2 K. The ground and excited electron states of Ho 3+ were identified. The abrupt changes of the spectra at the reorientation phase transition at 4.7 K were observed. The exchange splitting of some excited states were revealed and measured. They changed at the reorientation phase transition. Several vibronic transitions were observed. The
doi:10.1063/1.4985208
fatcat:zzbgpqdg75a3vpjql5b55w3zgy