Magnetic remanence in Yb14-xRExMnSb11 (RE=Tb, Dy, Ho) single crystals

Jason H. Grebenkemper, Yufei Hu, M. N. Abdusalyamova, F. A. Makhmudov, Susan M. Kauzlarich

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Single crystals of Yb14-xRExMnSb11 (x~0.1, 0.4; RE = Tb, Dy, Ho) have been prepared as a solid solution by Sn flux reactions of the elements. They crystallize in the Ca14AlSb11 structure type in the I41/acd space group. The RE3+preferentially substitutes on the Yb(1) site which is the smallest volume Yb containing polyhedron. In the case of Ho3+, a small amount of Ho3+ also substitutes on the Yb(4) site. The ferromagnetic ordering temperature of Yb14MnSb11 is reduced from 53 K to 41 K as x increases and dependent on the identity of the RE. This is attributed to the reduction in carriers and reduced screening of the Mn2+ local moment. The effective moments, μeff, agree well with the calculated moments assuming the RE substitutes as a trivalent cation. The largest coercive field is observed for RE = Dy (1000 Oe). For the maximum x of Yb14-xRExMnSb11 there are enough carriers for the Ruderman-Kittel-Kasuya-Yosida (RKKY) mechanism of magnetic coupling via conduction electrons to still be valid in describing the ferromagnetic ordering.

Original languageEnglish (US)
Pages (from-to)321-326
Number of pages6
JournalJournal of Solid State Chemistry
Volume238
DOIs
StatePublished - Jun 1 2016

Fingerprint

Magnetic couplings
Remanence
remanence
Cations
Solid solutions
Screening
Positive ions
Single crystals
substitutes
Fluxes
moments
Electrons
single crystals
polyhedrons
conduction electrons
Temperature
solid solutions
screening
cations
temperature

Keywords

  • Ferromagnetism
  • Half-metal
  • Hysteresis
  • Kondo
  • YbMnSb
  • Zintl phase

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Grebenkemper, J. H., Hu, Y., Abdusalyamova, M. N., Makhmudov, F. A., & Kauzlarich, S. M. (2016). Magnetic remanence in Yb14-xRExMnSb11 (RE=Tb, Dy, Ho) single crystals. Journal of Solid State Chemistry, 238, 321-326. https://doi.org/10.1016/j.jssc.2016.03.037

Magnetic remanence in Yb14-xRExMnSb11 (RE=Tb, Dy, Ho) single crystals. / Grebenkemper, Jason H.; Hu, Yufei; Abdusalyamova, M. N.; Makhmudov, F. A.; Kauzlarich, Susan M.

In: Journal of Solid State Chemistry, Vol. 238, 01.06.2016, p. 321-326.

Research output: Contribution to journalArticle

Grebenkemper, JH, Hu, Y, Abdusalyamova, MN, Makhmudov, FA & Kauzlarich, SM 2016, 'Magnetic remanence in Yb14-xRExMnSb11 (RE=Tb, Dy, Ho) single crystals', Journal of Solid State Chemistry, vol. 238, pp. 321-326. https://doi.org/10.1016/j.jssc.2016.03.037
Grebenkemper JH, Hu Y, Abdusalyamova MN, Makhmudov FA, Kauzlarich SM. Magnetic remanence in Yb14-xRExMnSb11 (RE=Tb, Dy, Ho) single crystals. Journal of Solid State Chemistry. 2016 Jun 1;238:321-326. https://doi.org/10.1016/j.jssc.2016.03.037
Grebenkemper, Jason H. ; Hu, Yufei ; Abdusalyamova, M. N. ; Makhmudov, F. A. ; Kauzlarich, Susan M. / Magnetic remanence in Yb14-xRExMnSb11 (RE=Tb, Dy, Ho) single crystals. In: Journal of Solid State Chemistry. 2016 ; Vol. 238. pp. 321-326.
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