Impurity-satellite Al27 nuclear magnetic resonance in the f-site diluted non-Fermi-liquid alloys U1-xLaxPd2Al3

M. S. Rose; D. E. MacLaughlin; Ben-Li Young; O. O. Bernal; V. Zapf; E. Freeman; M. B. Maple

doi:10.1103/PhysRevB.72.014423

Impurity-satellite Al27 nuclear magnetic resonance in the f-site diluted non-Fermi-liquid alloys U1-xLaxPd2Al3

M. S. Rose^*, D. E. MacLaughlin, Ben-Li Young, O. O. Bernal, V. Zapf, E. Freeman, M. B. Maple

^*Corresponding author for this work

Department of Electrophysics

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Magnetic susceptibility and Al27 nuclear magnetic resonance data are reported for the non-Fermi-liquid (NFL) alloys U1-xLaxPd2Al3,x=0.8,0.9, and 1.0. Ten percent doping of the lanthanum sites with uranium impurities shifts the resonance frequency of Al27 nuclei near the U ions sufficiently such that satellite lines are resolved from the bulk line. The extra broadening of these satellite lines in U0.1La0.9Pd2Al3 is evidence for inhomogeneity in the magnetic susceptibility, and agrees with the NFL Kondo disorder model (KDM) and the Griffiths-McCoy phase model (GMPM) theories. However, the resulting distributions of characteristic energies do not extend down to zero, where uncompensated spins at finite temperatures would give rise to NFL behavior. This is evidence that the distribution of energies is not broad enough to be the cause of NFL behavior as described by the KDM and GMPM.

Original language	English
Article number	014423
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	72
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevB.72.014423
State	Published - 27 Oct 2005

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title = "Impurity-satellite Al27 nuclear magnetic resonance in the f-site diluted non-Fermi-liquid alloys U1-xLaxPd2Al3",

abstract = "Magnetic susceptibility and Al27 nuclear magnetic resonance data are reported for the non-Fermi-liquid (NFL) alloys U1-xLaxPd2Al3,x=0.8,0.9, and 1.0. Ten percent doping of the lanthanum sites with uranium impurities shifts the resonance frequency of Al27 nuclei near the U ions sufficiently such that satellite lines are resolved from the bulk line. The extra broadening of these satellite lines in U0.1La0.9Pd2Al3 is evidence for inhomogeneity in the magnetic susceptibility, and agrees with the NFL Kondo disorder model (KDM) and the Griffiths-McCoy phase model (GMPM) theories. However, the resulting distributions of characteristic energies do not extend down to zero, where uncompensated spins at finite temperatures would give rise to NFL behavior. This is evidence that the distribution of energies is not broad enough to be the cause of NFL behavior as described by the KDM and GMPM.",

author = "Rose, {M. S.} and MacLaughlin, {D. E.} and Ben-Li Young and Bernal, {O. O.} and V. Zapf and E. Freeman and Maple, {M. B.}",

year = "2005",

month = oct,

day = "27",

doi = "10.1103/PhysRevB.72.014423",

language = "English",

volume = "72",

journal = "Physical Review B",

issn = "2469-9950",

publisher = "American Physical Society",

number = "1",

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Impurity-satellite Al27 nuclear magnetic resonance in the f-site diluted non-Fermi-liquid alloys U1-xLaxPd2Al3. / Rose, M. S.; MacLaughlin, D. E.; Young, Ben-Li; Bernal, O. O.; Zapf, V.; Freeman, E.; Maple, M. B.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 72, No. 1, 014423, 27.10.2005.

Research output: Contribution to journal › Article › peer-review

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T1 - Impurity-satellite Al27 nuclear magnetic resonance in the f-site diluted non-Fermi-liquid alloys U1-xLaxPd2Al3

AU - Rose, M. S.

AU - MacLaughlin, D. E.

AU - Young, Ben-Li

AU - Bernal, O. O.

AU - Zapf, V.

AU - Freeman, E.

AU - Maple, M. B.

PY - 2005/10/27

Y1 - 2005/10/27

N2 - Magnetic susceptibility and Al27 nuclear magnetic resonance data are reported for the non-Fermi-liquid (NFL) alloys U1-xLaxPd2Al3,x=0.8,0.9, and 1.0. Ten percent doping of the lanthanum sites with uranium impurities shifts the resonance frequency of Al27 nuclei near the U ions sufficiently such that satellite lines are resolved from the bulk line. The extra broadening of these satellite lines in U0.1La0.9Pd2Al3 is evidence for inhomogeneity in the magnetic susceptibility, and agrees with the NFL Kondo disorder model (KDM) and the Griffiths-McCoy phase model (GMPM) theories. However, the resulting distributions of characteristic energies do not extend down to zero, where uncompensated spins at finite temperatures would give rise to NFL behavior. This is evidence that the distribution of energies is not broad enough to be the cause of NFL behavior as described by the KDM and GMPM.

AB - Magnetic susceptibility and Al27 nuclear magnetic resonance data are reported for the non-Fermi-liquid (NFL) alloys U1-xLaxPd2Al3,x=0.8,0.9, and 1.0. Ten percent doping of the lanthanum sites with uranium impurities shifts the resonance frequency of Al27 nuclei near the U ions sufficiently such that satellite lines are resolved from the bulk line. The extra broadening of these satellite lines in U0.1La0.9Pd2Al3 is evidence for inhomogeneity in the magnetic susceptibility, and agrees with the NFL Kondo disorder model (KDM) and the Griffiths-McCoy phase model (GMPM) theories. However, the resulting distributions of characteristic energies do not extend down to zero, where uncompensated spins at finite temperatures would give rise to NFL behavior. This is evidence that the distribution of energies is not broad enough to be the cause of NFL behavior as described by the KDM and GMPM.

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Impurity-satellite Al27 nuclear magnetic resonance in the f-site diluted non-Fermi-liquid alloys U1-xLaxPd2Al3

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