Nuclear magnetic relaxation measurements in Yb-monopnictides

A. Oyamada; K. Hashi; S. Maegawa; T. Goto; D. X. Li; T. Suzuki; F. Hulliger

doi:10.1016/S0304-8853(97)00526-X

Nuclear magnetic relaxation measurements in Yb-monopnictides

A. Oyamada, K. Hashi, S. Maegawa, T. Goto, D. X. Li, T. Suzuki, F. Hulliger

Materials Processing and Characterization Division

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

Nuclear magnetic relaxation measurements of pnictogen atoms in Yb-monopnictides (YbN, YbP, YbAs, YbAs_0.8Sb_0.2, YbSb) have been carried out to investigate the spin fluctuations of 4f electrons systematically. Estimated 4f fluctuation rates (τ^-1_4f) of all Yb-monopnictides have almost the same temperature dependence. τ^-1_4f increases monotonously with T^1/2-like law. However, from YbAs to YbSb through YbAs_0.8Sb_0.2, the absolute value of the fluctuation rate showed a remarkable increase. This suggests that the dynamical properties of YbSb are significantly different from other Yb-monopnictides.

Original language	English
Pages (from-to)	343-344
Number of pages	2
Journal	Journal of Magnetism and Magnetic Materials
Volume	177-181
Issue number	PART 1
DOIs	https://doi.org/10.1016/S0304-8853(97)00526-X
Publication status	Published - 1998 Jan

Keywords

Fermi liquid
Heavy-fermion compounds
NMR
Yb-monopnictides

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Oyamada, A., Hashi, K., Maegawa, S., Goto, T., Li, D. X., Suzuki, T., & Hulliger, F. (1998). Nuclear magnetic relaxation measurements in Yb-monopnictides. Journal of Magnetism and Magnetic Materials, 177-181(PART 1), 343-344. https://doi.org/10.1016/S0304-8853(97)00526-X

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title = "Nuclear magnetic relaxation measurements in Yb-monopnictides",

abstract = "Nuclear magnetic relaxation measurements of pnictogen atoms in Yb-monopnictides (YbN, YbP, YbAs, YbAs0.8Sb0.2, YbSb) have been carried out to investigate the spin fluctuations of 4f electrons systematically. Estimated 4f fluctuation rates (τ-14f) of all Yb-monopnictides have almost the same temperature dependence. τ-14f increases monotonously with T1/2-like law. However, from YbAs to YbSb through YbAs0.8Sb0.2, the absolute value of the fluctuation rate showed a remarkable increase. This suggests that the dynamical properties of YbSb are significantly different from other Yb-monopnictides.",

keywords = "Fermi liquid, Heavy-fermion compounds, NMR, Yb-monopnictides",

author = "A. Oyamada and K. Hashi and S. Maegawa and T. Goto and Li, {D. X.} and T. Suzuki and F. Hulliger",

year = "1998",

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T1 - Nuclear magnetic relaxation measurements in Yb-monopnictides

AU - Oyamada, A.

AU - Hashi, K.

AU - Maegawa, S.

AU - Goto, T.

AU - Li, D. X.

AU - Suzuki, T.

AU - Hulliger, F.

PY - 1998/1

Y1 - 1998/1

N2 - Nuclear magnetic relaxation measurements of pnictogen atoms in Yb-monopnictides (YbN, YbP, YbAs, YbAs0.8Sb0.2, YbSb) have been carried out to investigate the spin fluctuations of 4f electrons systematically. Estimated 4f fluctuation rates (τ-14f) of all Yb-monopnictides have almost the same temperature dependence. τ-14f increases monotonously with T1/2-like law. However, from YbAs to YbSb through YbAs0.8Sb0.2, the absolute value of the fluctuation rate showed a remarkable increase. This suggests that the dynamical properties of YbSb are significantly different from other Yb-monopnictides.

AB - Nuclear magnetic relaxation measurements of pnictogen atoms in Yb-monopnictides (YbN, YbP, YbAs, YbAs0.8Sb0.2, YbSb) have been carried out to investigate the spin fluctuations of 4f electrons systematically. Estimated 4f fluctuation rates (τ-14f) of all Yb-monopnictides have almost the same temperature dependence. τ-14f increases monotonously with T1/2-like law. However, from YbAs to YbSb through YbAs0.8Sb0.2, the absolute value of the fluctuation rate showed a remarkable increase. This suggests that the dynamical properties of YbSb are significantly different from other Yb-monopnictides.

KW - Fermi liquid

KW - Heavy-fermion compounds

KW - NMR

KW - Yb-monopnictides

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