Anomaly in the specific heat of the new material Yb3S4

Y. S. Kwon; Y. Haga; C. Ayache; T. Suzuki; T. Kasuya

doi:10.1016/0921-4526(93)90649-Q

Anomaly in the specific heat of the new material Yb₃S₄

Y. S. Kwon, Y. Haga, C. Ayache, T. Suzuki, T. Kasuya

Department of Physics and Chemistry

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Abstract

We have measured the magnetic susceptibility and specific heats under several magnetic fields for Yb₃S₄. Its resistivity measurement using a DC method, however, failed since its conductivity is zero. From the inverse magnetic susceptibility the ratio of Yb³⁺ and Yb²⁺ ions per formula unit is estimated to be 4:1 and θ ∼ -62 K. A broad peak suggesting the Kondo peak appears in the specific heat. The peak shifts to higher temperature and becomes broader with increasing magnetic field.

Original language	English
Pages (from-to)	605-607
Number of pages	3
Journal	Physica B: Condensed Matter
Volume	186-188
Issue number	C
DOIs	https://doi.org/10.1016/0921-4526(93)90649-Q
State	Published - 2 May 1993

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abstract = "We have measured the magnetic susceptibility and specific heats under several magnetic fields for Yb3S4. Its resistivity measurement using a DC method, however, failed since its conductivity is zero. From the inverse magnetic susceptibility the ratio of Yb3+ and Yb2+ ions per formula unit is estimated to be 4:1 and θ ∼ -62 K. A broad peak suggesting the Kondo peak appears in the specific heat. The peak shifts to higher temperature and becomes broader with increasing magnetic field.",

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AU - Kwon, Y. S.

AU - Haga, Y.

AU - Ayache, C.

AU - Suzuki, T.

AU - Kasuya, T.

PY - 1993/5/2

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N2 - We have measured the magnetic susceptibility and specific heats under several magnetic fields for Yb3S4. Its resistivity measurement using a DC method, however, failed since its conductivity is zero. From the inverse magnetic susceptibility the ratio of Yb3+ and Yb2+ ions per formula unit is estimated to be 4:1 and θ ∼ -62 K. A broad peak suggesting the Kondo peak appears in the specific heat. The peak shifts to higher temperature and becomes broader with increasing magnetic field.

AB - We have measured the magnetic susceptibility and specific heats under several magnetic fields for Yb3S4. Its resistivity measurement using a DC method, however, failed since its conductivity is zero. From the inverse magnetic susceptibility the ratio of Yb3+ and Yb2+ ions per formula unit is estimated to be 4:1 and θ ∼ -62 K. A broad peak suggesting the Kondo peak appears in the specific heat. The peak shifts to higher temperature and becomes broader with increasing magnetic field.

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EP - 607

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

IS - C

ER -

Anomaly in the specific heat of the new material Yb₃S₄

Abstract

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