Yb14-xTmxMnSb11 (0<x<0.5): Structure and magnetic properties

John H. Roudebush, Jason Grebenkemper, Yufei Hu, Nasrin Kazem, M. N. Abdusalyamova, Susan M. Kauzlarich

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The compounds, Yb14-xTmxMnSb11 (0<x<0.5), were synthesized as single crystals via Sn flux. The maximum amount of Tm was determined from wavelength dispersive microprobe analysis to be x=0.45 (1). Single crystal data are consistent with the Ca 14AlSb11 structure type and one formula unit can be described as consisting of 14 Yb2+ cations, MnSb4 tetrahedron, Sb3 linear anion and 4 Sb3 - anions. The site occupancy of the Tm atom was not determined because of the small amount and small difference in scattering between Tm and Yb. The difference in bond lengths or angles between the solid solution and pristine Yb14MnSb11 is less than 1%. The magnetic susceptibility of samples prepared by Sn flux with the nominal composition of Yb 14-xTmxMnSb11 (x=0.1, 0.2, 0.3, and 0.4), show that these phases are ferromagnetic at low temperature with the TC decreasing from 56 to 39 K with increasing x. Magnetic saturation for the x=0.4 composition at 5 K is consistent with Tm being present as Tm3+ and a negative magnetoresistance ratio (MR=[(ρ(H)-ρ(0))/ρ(H)]×100%) of 18% at 3 T is observed.

Original languageEnglish (US)
Pages (from-to)206-211
Number of pages6
JournalJournal of Solid State Chemistry
Volume211
DOIs
StatePublished - Mar 2014

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Anions
Magnetic properties
Negative ions
Single crystals
Fluxes
magnetic properties
anions
single crystals
Bond length
Magnetoresistance
Saturation magnetization
Chemical analysis
Magnetic susceptibility
tetrahedrons
Cations
Solid solutions
solid solutions
Positive ions
Scattering
magnetic permeability

Keywords

  • Ferromagnetism
  • Kondo system
  • Magnetoresistance
  • YbMnSb
  • Zintl

ASJC Scopus subject areas

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

Cite this

Roudebush, J. H., Grebenkemper, J., Hu, Y., Kazem, N., Abdusalyamova, M. N., & Kauzlarich, S. M. (2014). Yb14-xTmxMnSb11 (0<x<0.5): Structure and magnetic properties. Journal of Solid State Chemistry, 211, 206-211. https://doi.org/10.1016/j.jssc.2013.12.023

Yb14-xTmxMnSb11 (0<x<0.5) : Structure and magnetic properties. / Roudebush, John H.; Grebenkemper, Jason; Hu, Yufei; Kazem, Nasrin; Abdusalyamova, M. N.; Kauzlarich, Susan M.

In: Journal of Solid State Chemistry, Vol. 211, 03.2014, p. 206-211.

Research output: Contribution to journalArticle

Roudebush, JH, Grebenkemper, J, Hu, Y, Kazem, N, Abdusalyamova, MN & Kauzlarich, SM 2014, 'Yb14-xTmxMnSb11 (0<x<0.5): Structure and magnetic properties', Journal of Solid State Chemistry, vol. 211, pp. 206-211. https://doi.org/10.1016/j.jssc.2013.12.023
Roudebush JH, Grebenkemper J, Hu Y, Kazem N, Abdusalyamova MN, Kauzlarich SM. Yb14-xTmxMnSb11 (0<x<0.5): Structure and magnetic properties. Journal of Solid State Chemistry. 2014 Mar;211:206-211. https://doi.org/10.1016/j.jssc.2013.12.023
Roudebush, John H. ; Grebenkemper, Jason ; Hu, Yufei ; Kazem, Nasrin ; Abdusalyamova, M. N. ; Kauzlarich, Susan M. / Yb14-xTmxMnSb11 (0<x<0.5) : Structure and magnetic properties. In: Journal of Solid State Chemistry. 2014 ; Vol. 211. pp. 206-211.
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N2 - The compounds, Yb14-xTmxMnSb11 (014AlSb11 structure type and one formula unit can be described as consisting of 14 Yb2+ cations, MnSb4 tetrahedron, Sb3 linear anion and 4 Sb3 - anions. The site occupancy of the Tm atom was not determined because of the small amount and small difference in scattering between Tm and Yb. The difference in bond lengths or angles between the solid solution and pristine Yb14MnSb11 is less than 1%. The magnetic susceptibility of samples prepared by Sn flux with the nominal composition of Yb 14-xTmxMnSb11 (x=0.1, 0.2, 0.3, and 0.4), show that these phases are ferromagnetic at low temperature with the TC decreasing from 56 to 39 K with increasing x. Magnetic saturation for the x=0.4 composition at 5 K is consistent with Tm being present as Tm3+ and a negative magnetoresistance ratio (MR=[(ρ(H)-ρ(0))/ρ(H)]×100%) of 18% at 3 T is observed.

AB - The compounds, Yb14-xTmxMnSb11 (014AlSb11 structure type and one formula unit can be described as consisting of 14 Yb2+ cations, MnSb4 tetrahedron, Sb3 linear anion and 4 Sb3 - anions. The site occupancy of the Tm atom was not determined because of the small amount and small difference in scattering between Tm and Yb. The difference in bond lengths or angles between the solid solution and pristine Yb14MnSb11 is less than 1%. The magnetic susceptibility of samples prepared by Sn flux with the nominal composition of Yb 14-xTmxMnSb11 (x=0.1, 0.2, 0.3, and 0.4), show that these phases are ferromagnetic at low temperature with the TC decreasing from 56 to 39 K with increasing x. Magnetic saturation for the x=0.4 composition at 5 K is consistent with Tm being present as Tm3+ and a negative magnetoresistance ratio (MR=[(ρ(H)-ρ(0))/ρ(H)]×100%) of 18% at 3 T is observed.

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