Different types of magnetic ordering in RFe3(BO 3)4, R=Gd, Tb, Er, and Y, as studied by the method of Er3+ spectroscopic probe

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

Research output: Contribution to journalConference articlepeer-review

38 Scopus citations

Abstract

We studied temperature-dependent high-resolution optical spectra of Er 3+ probe ion introduced into single crystals of the borates RFe 3(BO3)4, R=Gd, Tb, Er, and Y. Exchange splittings of the Er3+ Kramers doublets were found from the spectra. They manifest the magnetic ordering in Gd, Tb, Er, and Y iron borates at 37, 41, 38, and 39 K, respectively, and a spin-reorientation in GdFe 3(BO3)4: Er (1%) at TR=7.5 K. From a comparison of the data on Y, Er, and Tb iron borates with those on GdFe 3(BO3)4 where the magnetic structure has been determined earlier, we suggest the following patterns of the ordered Fe magnetic moments: mFe⊥c for R=Er and Y; mFe|c for R=Tb.

Original languageEnglish (US)
Pages (from-to)e440-e443
JournalJournal of Magnetism and Magnetic Materials
Volume300
Issue number1
DOIs
StatePublished - May 2006
Externally publishedYes
EventThird International Symposium on Magnetism 2005 -
Duration: Jun 26 2005Jun 30 2005

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Keywords

  • Magnetic ordering
  • Optical spectroscopy
  • Rare-earth iron borates

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