De Haas-van Alphen effect in a heavy fermion superconductor UPd2Al3

Yoshinori Haga; Yoshihiko Inada; Kenji Sakurai; Yoshifumi Tokiwa; Etsuji Yamamoto; Tetsuo Honma; Yoshichika Onuki

doi:10.1016/S0921-4526(99)02566-1

De Haas-van Alphen effect in a heavy fermion superconductor UPd₂Al₃

Yoshinori Haga, Yoshihiko Inada, Kenji Sakurai, Yoshifumi Tokiwa, Etsuji Yamamoto, Tetsuo Honma, Yoshichika Onuki

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

Abstract

We measured de Haas-van Alphen oscillation in UPd₂Al₃ in order to reveal heavy electronic states at low temperatures down to 40 mK. For this purpose, we grew a high-quality single crystal using a purified uranium metal. All the branches reported in the previous work were observed in this study. In addition, we observed a new branch ζ with an extremely large cyclotron mass 65m₀. The dHvA frequency 9.96 × 10⁷ Oe for branch ζ coincides with the band calculations based on the itinerant 5f electron picture.

Original language	English
Pages (from-to)	1291-1292
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	284-288
Issue number	PART II
DOIs	https://doi.org/10.1016/S0921-4526(99)02566-1
Publication status	Published - 2000
Externally published	Yes

Keywords

De Haas-von Alphen
Heavy fermion
UPdAl

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/S0921-4526(99)02566-1

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title = "De Haas-van Alphen effect in a heavy fermion superconductor UPd2Al3",

abstract = "We measured de Haas-van Alphen oscillation in UPd2Al3 in order to reveal heavy electronic states at low temperatures down to 40 mK. For this purpose, we grew a high-quality single crystal using a purified uranium metal. All the branches reported in the previous work were observed in this study. In addition, we observed a new branch ζ with an extremely large cyclotron mass 65m0. The dHvA frequency 9.96 × 107 Oe for branch ζ coincides with the band calculations based on the itinerant 5f electron picture.",

keywords = "De Haas-von Alphen, Heavy fermion, UPdAl",

author = "Yoshinori Haga and Yoshihiko Inada and Kenji Sakurai and Yoshifumi Tokiwa and Etsuji Yamamoto and Tetsuo Honma and Yoshichika Onuki",

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T1 - De Haas-van Alphen effect in a heavy fermion superconductor UPd2Al3

AU - Haga, Yoshinori

AU - Inada, Yoshihiko

AU - Sakurai, Kenji

AU - Tokiwa, Yoshifumi

AU - Yamamoto, Etsuji

AU - Honma, Tetsuo

AU - Onuki, Yoshichika

PY - 2000

Y1 - 2000

N2 - We measured de Haas-van Alphen oscillation in UPd2Al3 in order to reveal heavy electronic states at low temperatures down to 40 mK. For this purpose, we grew a high-quality single crystal using a purified uranium metal. All the branches reported in the previous work were observed in this study. In addition, we observed a new branch ζ with an extremely large cyclotron mass 65m0. The dHvA frequency 9.96 × 107 Oe for branch ζ coincides with the band calculations based on the itinerant 5f electron picture.

AB - We measured de Haas-van Alphen oscillation in UPd2Al3 in order to reveal heavy electronic states at low temperatures down to 40 mK. For this purpose, we grew a high-quality single crystal using a purified uranium metal. All the branches reported in the previous work were observed in this study. In addition, we observed a new branch ζ with an extremely large cyclotron mass 65m0. The dHvA frequency 9.96 × 107 Oe for branch ζ coincides with the band calculations based on the itinerant 5f electron picture.

KW - De Haas-von Alphen

KW - Heavy fermion

KW - UPdAl

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