High-field magnetization of single crystals of RMn6Ge 6-xGax compounds with R = Tb, Er, Tm, Yb and x ≈ 1

S. Yoshii, K. Kindo, C. Lefèvre, G. Venturini, L. Zhang, E. Brück, K. H.J. Buschow, F. R. De Boer

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)


The magnetization has been measured of single crystals of RMn 6Ge6-xGax (R = Tb, Er, Tm and Yb and x ≈ 1) compounds at 4.2 K in high magnetic fields up to 65 T applied along the main crystallographic directions. At low temperature, where the magnetocrystalline anisotropy is determined by the R contribution, these compounds exhibit easy-axis anisotropy with the c-axis as preferred moment direction. The magnetization display a variety of field-induced phase transitions which are particularly pronounced in the compounds with Tb, Er and Tm. The Yb compound exhibits the onset of a phase transition in the field region above 65 T. The results are discussed in terms of the interplay between the antiferromagnetic intersublattice R-Mn coupling and the magnetic anisotropy.

Original languageEnglish
Pages (from-to)177-180
Number of pages4
JournalJournal of Alloys and Compounds
Publication statusPublished - 2006 Feb 9
Externally publishedYes
EventProceedings of the Rare Earths'04 in Nara, Japan -
Duration: 2004 Nov 72004 Nov 12


  • Ferrimagnet
  • Field-induced transition
  • High-field magnetization
  • Magnetocrystalline anisotropy
  • RMnGeGa

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry


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