Structure and Ferromagnetism of the Rare-Earth Zintl Compounds: Yb14MnSb11 and Yb14MnBi11

Julia Y. Chan, Marilyn M. Olmstead, Susan M. Kauzlarich, David J. Webb

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Abstract

Rare-earth transition metal compounds Yb14MnSb11 and Yb14MnBi11 have been prepared by heating stoichiometric amounts of the elements at 1000-1200°C. These compounds are isostructural with the Zintl compound Ca14AlSb11 and crystallize in the tetragonal space group I41/acd (Z = 8). Single-crystal X-ray data (143 K) were refined for Yb14MnSb11 [a = 16.615(2) Å, c = 21.948(4) Å, V = 6059(2) Å3, and R1/wR2 (0.0299/0.0479)] and Yb14MnBi11 [a = 17.000(3) Å, c = 22.259(6) Å, V = 6433(2) Å3, R1/wR2 (0.0631/0.133)]. Structural analysis is consistent with Yb2+. Temperature-dependent magnetic susceptibility data show that Yb14MnSb11 orders ferromagnetically at 56 K and Yb14MnBi11 has a ferromagnetic transition at 58 K and another transition at 28 K. High-temperature magnetic susceptibility data can be fit with a modified Curie-Weiss law and give μeff = 4.92(2)μB and μeff = 4.9(1)μB for the Sb and Bi compounds, respectively. This result is consistent with the assignment of Mn3+ (d4) and Yb2+ (f14). Single-crystal magnetic data provide additional evidence for the magnetic transitions and show that the compounds are magnetically anisotropic.

Original languageEnglish (US)
Pages (from-to)3583-3588
Number of pages6
JournalChemistry of Materials
Volume10
Issue number11
StatePublished - Nov 1998

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Rare earth compounds
Ferromagnetism
Magnetic susceptibility
Single crystals
Transition metal compounds
Structural analysis
Rare earths
Heating
X rays
Temperature

ASJC Scopus subject areas

  • Materials Science(all)
  • Materials Chemistry

Cite this

Chan, J. Y., Olmstead, M. M., Kauzlarich, S. M., & Webb, D. J. (1998). Structure and Ferromagnetism of the Rare-Earth Zintl Compounds: Yb14MnSb11 and Yb14MnBi11. Chemistry of Materials, 10(11), 3583-3588.

Structure and Ferromagnetism of the Rare-Earth Zintl Compounds : Yb14MnSb11 and Yb14MnBi11. / Chan, Julia Y.; Olmstead, Marilyn M.; Kauzlarich, Susan M.; Webb, David J.

In: Chemistry of Materials, Vol. 10, No. 11, 11.1998, p. 3583-3588.

Research output: Contribution to journalArticle

Chan, JY, Olmstead, MM, Kauzlarich, SM & Webb, DJ 1998, 'Structure and Ferromagnetism of the Rare-Earth Zintl Compounds: Yb14MnSb11 and Yb14MnBi11', Chemistry of Materials, vol. 10, no. 11, pp. 3583-3588.
Chan JY, Olmstead MM, Kauzlarich SM, Webb DJ. Structure and Ferromagnetism of the Rare-Earth Zintl Compounds: Yb14MnSb11 and Yb14MnBi11. Chemistry of Materials. 1998 Nov;10(11):3583-3588.
Chan, Julia Y. ; Olmstead, Marilyn M. ; Kauzlarich, Susan M. ; Webb, David J. / Structure and Ferromagnetism of the Rare-Earth Zintl Compounds : Yb14MnSb11 and Yb14MnBi11. In: Chemistry of Materials. 1998 ; Vol. 10, No. 11. pp. 3583-3588.
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abstract = "Rare-earth transition metal compounds Yb14MnSb11 and Yb14MnBi11 have been prepared by heating stoichiometric amounts of the elements at 1000-1200°C. These compounds are isostructural with the Zintl compound Ca14AlSb11 and crystallize in the tetragonal space group I41/acd (Z = 8). Single-crystal X-ray data (143 K) were refined for Yb14MnSb11 [a = 16.615(2) {\AA}, c = 21.948(4) {\AA}, V = 6059(2) {\AA}3, and R1/wR2 (0.0299/0.0479)] and Yb14MnBi11 [a = 17.000(3) {\AA}, c = 22.259(6) {\AA}, V = 6433(2) {\AA}3, R1/wR2 (0.0631/0.133)]. Structural analysis is consistent with Yb2+. Temperature-dependent magnetic susceptibility data show that Yb14MnSb11 orders ferromagnetically at 56 K and Yb14MnBi11 has a ferromagnetic transition at 58 K and another transition at 28 K. High-temperature magnetic susceptibility data can be fit with a modified Curie-Weiss law and give μeff = 4.92(2)μB and μeff = 4.9(1)μB for the Sb and Bi compounds, respectively. This result is consistent with the assignment of Mn3+ (d4) and Yb2+ (f14). Single-crystal magnetic data provide additional evidence for the magnetic transitions and show that the compounds are magnetically anisotropic.",
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N2 - Rare-earth transition metal compounds Yb14MnSb11 and Yb14MnBi11 have been prepared by heating stoichiometric amounts of the elements at 1000-1200°C. These compounds are isostructural with the Zintl compound Ca14AlSb11 and crystallize in the tetragonal space group I41/acd (Z = 8). Single-crystal X-ray data (143 K) were refined for Yb14MnSb11 [a = 16.615(2) Å, c = 21.948(4) Å, V = 6059(2) Å3, and R1/wR2 (0.0299/0.0479)] and Yb14MnBi11 [a = 17.000(3) Å, c = 22.259(6) Å, V = 6433(2) Å3, R1/wR2 (0.0631/0.133)]. Structural analysis is consistent with Yb2+. Temperature-dependent magnetic susceptibility data show that Yb14MnSb11 orders ferromagnetically at 56 K and Yb14MnBi11 has a ferromagnetic transition at 58 K and another transition at 28 K. High-temperature magnetic susceptibility data can be fit with a modified Curie-Weiss law and give μeff = 4.92(2)μB and μeff = 4.9(1)μB for the Sb and Bi compounds, respectively. This result is consistent with the assignment of Mn3+ (d4) and Yb2+ (f14). Single-crystal magnetic data provide additional evidence for the magnetic transitions and show that the compounds are magnetically anisotropic.

AB - Rare-earth transition metal compounds Yb14MnSb11 and Yb14MnBi11 have been prepared by heating stoichiometric amounts of the elements at 1000-1200°C. These compounds are isostructural with the Zintl compound Ca14AlSb11 and crystallize in the tetragonal space group I41/acd (Z = 8). Single-crystal X-ray data (143 K) were refined for Yb14MnSb11 [a = 16.615(2) Å, c = 21.948(4) Å, V = 6059(2) Å3, and R1/wR2 (0.0299/0.0479)] and Yb14MnBi11 [a = 17.000(3) Å, c = 22.259(6) Å, V = 6433(2) Å3, R1/wR2 (0.0631/0.133)]. Structural analysis is consistent with Yb2+. Temperature-dependent magnetic susceptibility data show that Yb14MnSb11 orders ferromagnetically at 56 K and Yb14MnBi11 has a ferromagnetic transition at 58 K and another transition at 28 K. High-temperature magnetic susceptibility data can be fit with a modified Curie-Weiss law and give μeff = 4.92(2)μB and μeff = 4.9(1)μB for the Sb and Bi compounds, respectively. This result is consistent with the assignment of Mn3+ (d4) and Yb2+ (f14). Single-crystal magnetic data provide additional evidence for the magnetic transitions and show that the compounds are magnetically anisotropic.

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