Anisotropic intermediate valence in Yb2 M3 Ga9 (M=Rh, Ir)

A. D. Christianson; J. M. Lawrence; A. M. Lobos; A. A. Aligia; E. D. Bauer; N. O. Moreno; C. H. Booth; E. A. Goremychkin; J. L. Sarrao; J. D. Thompson; C. D. Batista; F. R. Trouw; M. P. Hehlen

doi:10.1103/PhysRevB.72.081102

Anisotropic intermediate valence in Yb2 M3 Ga9 (M=Rh, Ir)

A. D. Christianson, J. M. Lawrence, A. M. Lobos, A. A. Aligia, E. D. Bauer, N. O. Moreno, C. H. Booth, E. A. Goremychkin, J. L. Sarrao, J. D. Thompson, C. D. Batista, F. R. Trouw, M. P. Hehlen

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Abstract

The intermediate valence compounds Yb2 M3 Ga9 (M=Rh, Ir) exhibit an anisotropic magnetic susceptibility. We report measurements of the temperature dependence of the 4f occupation number, nf (T), for Yb2 M3 Ga9 as well as the magnetic inelastic neutron scattering spectrum Smag (ΔE) at 12 and 300 K for Yb2 Rh3 Ga9. Both nf (T) and Smag (ΔE) were calculated for the Anderson impurity model with crystal field terms within an approach based on the noncrossing approximation. These results corroborate the importance of crystal field effects in these materials; they also suggest that Anderson lattice effects are important to the physics of Yb2 M3 Ga9.

Original language	English
Article number	081102
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	72
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevB.72.081102
State	Published - Aug 15 2005
Externally published	Yes

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Christianson, A. D., Lawrence, J. M., Lobos, A. M., Aligia, A. A., Bauer, E. D., Moreno, N. O., Booth, C. H., Goremychkin, E. A., Sarrao, J. L., Thompson, J. D., Batista, C. D., Trouw, F. R., & Hehlen, M. P. (2005). Anisotropic intermediate valence in Yb2 M3 Ga9 (M=Rh, Ir). Physical Review B - Condensed Matter and Materials Physics, 72(8), Article 081102. https://doi.org/10.1103/PhysRevB.72.081102

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title = "Anisotropic intermediate valence in Yb2 M3 Ga9 (M=Rh, Ir)",

abstract = "The intermediate valence compounds Yb2 M3 Ga9 (M=Rh, Ir) exhibit an anisotropic magnetic susceptibility. We report measurements of the temperature dependence of the 4f occupation number, nf (T), for Yb2 M3 Ga9 as well as the magnetic inelastic neutron scattering spectrum Smag (ΔE) at 12 and 300 K for Yb2 Rh3 Ga9. Both nf (T) and Smag (ΔE) were calculated for the Anderson impurity model with crystal field terms within an approach based on the noncrossing approximation. These results corroborate the importance of crystal field effects in these materials; they also suggest that Anderson lattice effects are important to the physics of Yb2 M3 Ga9.",

author = "Christianson, {A. D.} and Lawrence, {J. M.} and Lobos, {A. M.} and Aligia, {A. A.} and Bauer, {E. D.} and Moreno, {N. O.} and Booth, {C. H.} and Goremychkin, {E. A.} and Sarrao, {J. L.} and Thompson, {J. D.} and Batista, {C. D.} and Trouw, {F. R.} and Hehlen, {M. P.}",

year = "2005",

month = aug,

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doi = "10.1103/PhysRevB.72.081102",

language = "English",

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T1 - Anisotropic intermediate valence in Yb2 M3 Ga9 (M=Rh, Ir)

AU - Christianson, A. D.

AU - Lawrence, J. M.

AU - Lobos, A. M.

AU - Aligia, A. A.

AU - Bauer, E. D.

AU - Moreno, N. O.

AU - Booth, C. H.

AU - Goremychkin, E. A.

AU - Sarrao, J. L.

AU - Thompson, J. D.

AU - Batista, C. D.

AU - Trouw, F. R.

AU - Hehlen, M. P.

PY - 2005/8/15

Y1 - 2005/8/15

N2 - The intermediate valence compounds Yb2 M3 Ga9 (M=Rh, Ir) exhibit an anisotropic magnetic susceptibility. We report measurements of the temperature dependence of the 4f occupation number, nf (T), for Yb2 M3 Ga9 as well as the magnetic inelastic neutron scattering spectrum Smag (ΔE) at 12 and 300 K for Yb2 Rh3 Ga9. Both nf (T) and Smag (ΔE) were calculated for the Anderson impurity model with crystal field terms within an approach based on the noncrossing approximation. These results corroborate the importance of crystal field effects in these materials; they also suggest that Anderson lattice effects are important to the physics of Yb2 M3 Ga9.

AB - The intermediate valence compounds Yb2 M3 Ga9 (M=Rh, Ir) exhibit an anisotropic magnetic susceptibility. We report measurements of the temperature dependence of the 4f occupation number, nf (T), for Yb2 M3 Ga9 as well as the magnetic inelastic neutron scattering spectrum Smag (ΔE) at 12 and 300 K for Yb2 Rh3 Ga9. Both nf (T) and Smag (ΔE) were calculated for the Anderson impurity model with crystal field terms within an approach based on the noncrossing approximation. These results corroborate the importance of crystal field effects in these materials; they also suggest that Anderson lattice effects are important to the physics of Yb2 M3 Ga9.

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U2 - 10.1103/PhysRevB.72.081102

DO - 10.1103/PhysRevB.72.081102

M3 - Article

AN - SCOPUS:33644942551

SN - 1098-0121

VL - 72

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 8

M1 - 081102

ER -

Anisotropic intermediate valence in Yb2 M3 Ga9 (M=Rh, Ir)

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