Study of magnetic phase transitions and magnetic structures in a number of rare-earth ferroborates using an erbium spectroscopic probe

T. N. Stanislavchuk, E. P. Chukalina, L. N. Bezmaternykh

Research output: Contribution to journalArticlepeer-review

Abstract

This paper discusses exchange splitting in the spectra of Er3+ introduced as a spectroscopic probe in rare-earth ferroborates RFe3(BO3)4 (R=Y,Er,Tb,Gd). The temperatures of magnetic ordering are determined [38±1 K for YFe3(BO3)4, 39±1 K for ErFe3(BO3)4, 41±1 K for TbFe3(BO3)4, 37±1 K for GdFe3(BO3)4] and the spin-reorientation transition in GdFe3 (BO3)4:TR=7.5±0.5 K. Based on a comparison of the Er3+ spectra in GdFe3 (BO3)4, the magnetic structure of which is known, and in other ferroborates, a conclusion is made concerning the orientation of the magnetic moments of iron MFe in the magnetically ordered state: MFe ⊥ c for yttrium and erbium ferroborates, and MFe∥c for terbium ferroborate.

Original languageEnglish (US)
Pages (from-to)139-143
Number of pages5
JournalJournal of Optical Technology (A Translation of Opticheskii Zhurnal)
Volume74
Issue number2
DOIs
StatePublished - Feb 2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Engineering(all)
  • Computational Mathematics
  • Applied Mathematics

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