5f-itinerant Antiferromagnetism and Fermi surface property in UGa3, UFeGa5, UNiGa5 and UPtGa5

Yoshichika Ōnuki; Yoshihumi Tokiwa; Shugo Ikeda; Dai Aoki; Yoshihiko Inada; Rikio Settai; Takahiro Maehira; Etsuji Yamamoto; Yoshinori Haga

doi:10.1080/00223131.2002.10875421

5f-itinerant Antiferromagnetism and Fermi surface property in UGa₃, UFeGa₅, UNiGa₅ and UPtGa₅

Yoshichika Ōnuki, Yoshihumi Tokiwa, Shugo Ikeda, Dai Aoki, Yoshihiko Inada, Rikio Settai, Takahiro Maehira, Etsuji Yamamoto, Yoshinori Haga

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

2 Citations (Scopus)

Abstract

We measured the magnetic susceptibilityand de Haas-van Alphen (dHvA) oscillation in UGa₃ and UTGa₅ (T: Fe, Ni andPt). The susceptibility in UGa₃ and UTGa₅ is almost temperature-independent. It does not follow the Curie-Weiss law in the paramagnetic region, being dominated by a Pauli-like contribution, although UGa₃ and UTGa₅ (T: Ni and Pt) order antiferro-magnetically. The electronic state in UTGa₅ is unique, indicating quasi-two dimensionality. Nearly cylindrical Fermi surfaces are formed by itinerant-5f electrons.

Original language	English
Pages (from-to)	114-117
Number of pages	4
Journal	journal of nuclear science and technology
Volume	39
DOIs	https://doi.org/10.1080/00223131.2002.10875421
Publication status	Published - 2002 Jan 1
Externally published	Yes

Keywords

Antiferromagnetism
Dhva
Fermi surface
UFeGa
UGa
UNiGa
UPtGa

ASJC Scopus subject areas

Nuclear and High Energy Physics
Nuclear Energy and Engineering

Access to Document

10.1080/00223131.2002.10875421

Cite this

5f-itinerant Antiferromagnetism and Fermi surface property in UGa₃, UFeGa₅, UNiGa₅ and UPtGa₅. / Ōnuki, Yoshichika; Tokiwa, Yoshihumi; Ikeda, Shugo; Aoki, Dai; Inada, Yoshihiko; Settai, Rikio; Maehira, Takahiro; Yamamoto, Etsuji; Haga, Yoshinori.

In: journal of nuclear science and technology, Vol. 39, 01.01.2002, p. 114-117.

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

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title = "5f-itinerant Antiferromagnetism and Fermi surface property in UGa3, UFeGa5, UNiGa5 and UPtGa5",

abstract = "We measured the magnetic susceptibilityand de Haas-van Alphen (dHvA) oscillation in UGa3 and UTGa5 (T: Fe, Ni andPt). The susceptibility in UGa3 and UTGa5 is almost temperature-independent. It does not follow the Curie-Weiss law in the paramagnetic region, being dominated by a Pauli-like contribution, although UGa3 and UTGa5 (T: Ni and Pt) order antiferro-magnetically. The electronic state in UTGa5 is unique, indicating quasi-two dimensionality. Nearly cylindrical Fermi surfaces are formed by itinerant-5f electrons.",

keywords = "Antiferromagnetism, Dhva, Fermi surface, UFeGa, UGa, UNiGa, UPtGa",

author = "Yoshichika Ōnuki and Yoshihumi Tokiwa and Shugo Ikeda and Dai Aoki and Yoshihiko Inada and Rikio Settai and Takahiro Maehira and Etsuji Yamamoto and Yoshinori Haga",

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T1 - 5f-itinerant Antiferromagnetism and Fermi surface property in UGa3, UFeGa5, UNiGa5 and UPtGa5

AU - Ōnuki, Yoshichika

AU - Tokiwa, Yoshihumi

AU - Ikeda, Shugo

AU - Aoki, Dai

AU - Inada, Yoshihiko

AU - Settai, Rikio

AU - Maehira, Takahiro

AU - Yamamoto, Etsuji

AU - Haga, Yoshinori

PY - 2002/1/1

Y1 - 2002/1/1

N2 - We measured the magnetic susceptibilityand de Haas-van Alphen (dHvA) oscillation in UGa3 and UTGa5 (T: Fe, Ni andPt). The susceptibility in UGa3 and UTGa5 is almost temperature-independent. It does not follow the Curie-Weiss law in the paramagnetic region, being dominated by a Pauli-like contribution, although UGa3 and UTGa5 (T: Ni and Pt) order antiferro-magnetically. The electronic state in UTGa5 is unique, indicating quasi-two dimensionality. Nearly cylindrical Fermi surfaces are formed by itinerant-5f electrons.

AB - We measured the magnetic susceptibilityand de Haas-van Alphen (dHvA) oscillation in UGa3 and UTGa5 (T: Fe, Ni andPt). The susceptibility in UGa3 and UTGa5 is almost temperature-independent. It does not follow the Curie-Weiss law in the paramagnetic region, being dominated by a Pauli-like contribution, although UGa3 and UTGa5 (T: Ni and Pt) order antiferro-magnetically. The electronic state in UTGa5 is unique, indicating quasi-two dimensionality. Nearly cylindrical Fermi surfaces are formed by itinerant-5f electrons.

KW - Antiferromagnetism

KW - Dhva

KW - Fermi surface

KW - UFeGa

KW - UGa

KW - UNiGa

KW - UPtGa

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