AC susceptibility of amorphous dense Kondo UPd2Al3

Takashi Ohno; Yoshiya Homma; Yoshinobu Shiokawa; Takashi Nishioka; Masaaki Kontani; Kenji Sumiyama; Kenji Suzuki

doi:10.1016/S0304-8853(97)00879-2

AC susceptibility of amorphous dense Kondo UPd₂Al₃

Takashi Ohno, Yoshiya Homma, Yoshinobu Shiokawa, Takashi Nishioka, Masaaki Kontani, Kenji Sumiyama, Kenji Suzuki

Materials Processing and Characterization Division

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

We produced an amorphous a-UPd₂Al₃ bulk alloy and studied the effect of structure-disorder on heavy-fermion and superconducting properties of the crystalline c-UPd₂Al₃. In the AC susceptibility of a-UPd₂Al₃ between 0.4 and 40 K, a clear peak is detected at 3.4 K. However, no anomalous behavior has been observed at the antiferromagnetic transition temperature of 14 K and the superconducting transition temperature of 2 K observed for c-UPd₂Al₃. The electrical resistivity of a-UPd₂Al₃ also shows no superconducting transition down to 0.4 K. The electronic specific-heat coefficient is estimated to be 195 mJ/K² mol from the specific heat results between 4.8 and 15 K.

Original language	English
Pages (from-to)	453-454
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)00879-2
Publication status	Published - 1998 Jan

Keywords

Amorphous systems - alloys
Electrical resistivity
Heavy-fermion compounds
Specific heat
Susceptibility - AC

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Ohno, T., Homma, Y., Shiokawa, Y., Nishioka, T., Kontani, M., Sumiyama, K., & Suzuki, K. (1998). AC susceptibility of amorphous dense Kondo UPd₂Al₃. Journal of Magnetism and Magnetic Materials, 177-181(PART 1), 453-454. https://doi.org/10.1016/S0304-8853(97)00879-2

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title = "AC susceptibility of amorphous dense Kondo UPd2Al3",

abstract = "We produced an amorphous a-UPd2Al3 bulk alloy and studied the effect of structure-disorder on heavy-fermion and superconducting properties of the crystalline c-UPd2Al3. In the AC susceptibility of a-UPd2Al3 between 0.4 and 40 K, a clear peak is detected at 3.4 K. However, no anomalous behavior has been observed at the antiferromagnetic transition temperature of 14 K and the superconducting transition temperature of 2 K observed for c-UPd2Al3. The electrical resistivity of a-UPd2Al3 also shows no superconducting transition down to 0.4 K. The electronic specific-heat coefficient is estimated to be 195 mJ/K2 mol from the specific heat results between 4.8 and 15 K.",

keywords = "Amorphous systems - alloys, Electrical resistivity, Heavy-fermion compounds, Specific heat, Susceptibility - AC",

author = "Takashi Ohno and Yoshiya Homma and Yoshinobu Shiokawa and Takashi Nishioka and Masaaki Kontani and Kenji Sumiyama and Kenji Suzuki",

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T1 - AC susceptibility of amorphous dense Kondo UPd2Al3

AU - Ohno, Takashi

AU - Homma, Yoshiya

AU - Shiokawa, Yoshinobu

AU - Nishioka, Takashi

AU - Kontani, Masaaki

AU - Sumiyama, Kenji

AU - Suzuki, Kenji

PY - 1998/1

Y1 - 1998/1

N2 - We produced an amorphous a-UPd2Al3 bulk alloy and studied the effect of structure-disorder on heavy-fermion and superconducting properties of the crystalline c-UPd2Al3. In the AC susceptibility of a-UPd2Al3 between 0.4 and 40 K, a clear peak is detected at 3.4 K. However, no anomalous behavior has been observed at the antiferromagnetic transition temperature of 14 K and the superconducting transition temperature of 2 K observed for c-UPd2Al3. The electrical resistivity of a-UPd2Al3 also shows no superconducting transition down to 0.4 K. The electronic specific-heat coefficient is estimated to be 195 mJ/K2 mol from the specific heat results between 4.8 and 15 K.

AB - We produced an amorphous a-UPd2Al3 bulk alloy and studied the effect of structure-disorder on heavy-fermion and superconducting properties of the crystalline c-UPd2Al3. In the AC susceptibility of a-UPd2Al3 between 0.4 and 40 K, a clear peak is detected at 3.4 K. However, no anomalous behavior has been observed at the antiferromagnetic transition temperature of 14 K and the superconducting transition temperature of 2 K observed for c-UPd2Al3. The electrical resistivity of a-UPd2Al3 also shows no superconducting transition down to 0.4 K. The electronic specific-heat coefficient is estimated to be 195 mJ/K2 mol from the specific heat results between 4.8 and 15 K.

KW - Amorphous systems - alloys

KW - Electrical resistivity

KW - Heavy-fermion compounds

KW - Specific heat

KW - Susceptibility - AC

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