μSR studies of low charge carrier density heavy-fermion systems

A. Amato; R. Feyerherm; F. N. Gygax; A. Schenck; M. Kasaya; T. Suzuki; Shigeru Takagi; Akira Ochiai

μSR studies of low charge carrier density heavy-fermion systems

A. Amato, R. Feyerherm, F. N. Gygax, A. Schenck, M. Kasaya, T. Suzuki, Shigeru Takagi, Akira Ochiai

SCI - Physics

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

3 Citations (Scopus)

Abstract

We report on μSR studies in low charge carrier density heavy-fermion systems with cubic symmetry. Whereas for Ce₃Au₃Sb₄ and for Sm₃Te₄ the μSR data point to the presence of some kind of spin-glass-like magnetic states at low temperature, for Yb₄ As₃ preliminary μSR studies just show a slight increase of the depolarization rate which indicates a slight slowing down of the Yb-moment fluctuations. Consequently for this latter system, the large linear term of the specific heat seems indeed to be connected to electronic excitations.

Original language	English
Pages (from-to)	165-170
Number of pages	6
Journal	Hyperfine Interactions
Volume	104
Issue number	1-4
Publication status	Published - 1997 Dec 1

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics
Condensed Matter Physics
Physical and Theoretical Chemistry

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title = "μSR studies of low charge carrier density heavy-fermion systems",

abstract = "We report on μSR studies in low charge carrier density heavy-fermion systems with cubic symmetry. Whereas for Ce3Au3Sb4 and for Sm3Te4 the μSR data point to the presence of some kind of spin-glass-like magnetic states at low temperature, for Yb4 As3 preliminary μSR studies just show a slight increase of the depolarization rate which indicates a slight slowing down of the Yb-moment fluctuations. Consequently for this latter system, the large linear term of the specific heat seems indeed to be connected to electronic excitations.",

author = "A. Amato and R. Feyerherm and Gygax, {F. N.} and A. Schenck and M. Kasaya and T. Suzuki and Shigeru Takagi and Akira Ochiai",

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T1 - μSR studies of low charge carrier density heavy-fermion systems

AU - Amato, A.

AU - Feyerherm, R.

AU - Gygax, F. N.

AU - Schenck, A.

AU - Kasaya, M.

AU - Suzuki, T.

AU - Takagi, Shigeru

AU - Ochiai, Akira

PY - 1997/12/1

Y1 - 1997/12/1

N2 - We report on μSR studies in low charge carrier density heavy-fermion systems with cubic symmetry. Whereas for Ce3Au3Sb4 and for Sm3Te4 the μSR data point to the presence of some kind of spin-glass-like magnetic states at low temperature, for Yb4 As3 preliminary μSR studies just show a slight increase of the depolarization rate which indicates a slight slowing down of the Yb-moment fluctuations. Consequently for this latter system, the large linear term of the specific heat seems indeed to be connected to electronic excitations.

AB - We report on μSR studies in low charge carrier density heavy-fermion systems with cubic symmetry. Whereas for Ce3Au3Sb4 and for Sm3Te4 the μSR data point to the presence of some kind of spin-glass-like magnetic states at low temperature, for Yb4 As3 preliminary μSR studies just show a slight increase of the depolarization rate which indicates a slight slowing down of the Yb-moment fluctuations. Consequently for this latter system, the large linear term of the specific heat seems indeed to be connected to electronic excitations.

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JO - Hyperfine Interaction

JF - Hyperfine Interaction

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