Quasi-two dimensional electronic state of the antiferromagnet UPtGa 5

Shugo Ikeda, Yoshihumi Tokiwa, Yoshinori Haga, Etsuji Yamamoto, Tomoyuki Okubo, Mineko Yamada, Noriko Nakamura, Kiyohiro Sugiyama, Kouichi Kindo, Yoshihiko Inada, Hiroshi Yamagami, Yoshichika Onuki

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

We have carried out the de Haas-van Alphen (dHvA) experiment to clarify the Fermi surface property of an antiferromagnet UPtGa5, and have constructed the magnetic phase diagram from the high-field magnetization measurement. From the dHvA experiment, the Fermi surface is found to consist of four kinds of nearly cylindrical Fermi surfaces along the tetragonal [001] direction, which are approximately explained by the result of the spin-polarized energy band calculations based on the antiferromagnetic structure with a sequence of (↑ ↓) along [001]. Relatively large cyclotron masses are detected for carriers of the corresponding Fermi surfaces, ranging from 10 to 24 m0 (m0: rest mass of an electron). 5 f electrons are thus concluded to be itinerant and also to contribute to the magnetic moment at the uranium sites.

Original languageEnglish
Pages (from-to)576-581
Number of pages6
JournalJournal of the Physical Society of Japan
Volume72
Issue number3
DOIs
Publication statusPublished - Mar 2003
Externally publishedYes

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Fermi surfaces
electronics
surface properties
uranium
energy bands
cyclotrons
electrons
magnetic moments
phase diagrams
magnetization

Keywords

  • Band calculation
  • dHvA
  • UPtGa

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Ikeda, S., Tokiwa, Y., Haga, Y., Yamamoto, E., Okubo, T., Yamada, M., ... Onuki, Y. (2003). Quasi-two dimensional electronic state of the antiferromagnet UPtGa 5. Journal of the Physical Society of Japan, 72(3), 576-581. https://doi.org/10.1143/JPSJ.72.576

Quasi-two dimensional electronic state of the antiferromagnet UPtGa 5. / Ikeda, Shugo; Tokiwa, Yoshihumi; Haga, Yoshinori; Yamamoto, Etsuji; Okubo, Tomoyuki; Yamada, Mineko; Nakamura, Noriko; Sugiyama, Kiyohiro; Kindo, Kouichi; Inada, Yoshihiko; Yamagami, Hiroshi; Onuki, Yoshichika.

In: Journal of the Physical Society of Japan, Vol. 72, No. 3, 03.2003, p. 576-581.

Research output: Contribution to journalArticle

Ikeda, S, Tokiwa, Y, Haga, Y, Yamamoto, E, Okubo, T, Yamada, M, Nakamura, N, Sugiyama, K, Kindo, K, Inada, Y, Yamagami, H & Onuki, Y 2003, 'Quasi-two dimensional electronic state of the antiferromagnet UPtGa 5', Journal of the Physical Society of Japan, vol. 72, no. 3, pp. 576-581. https://doi.org/10.1143/JPSJ.72.576
Ikeda, Shugo ; Tokiwa, Yoshihumi ; Haga, Yoshinori ; Yamamoto, Etsuji ; Okubo, Tomoyuki ; Yamada, Mineko ; Nakamura, Noriko ; Sugiyama, Kiyohiro ; Kindo, Kouichi ; Inada, Yoshihiko ; Yamagami, Hiroshi ; Onuki, Yoshichika. / Quasi-two dimensional electronic state of the antiferromagnet UPtGa 5. In: Journal of the Physical Society of Japan. 2003 ; Vol. 72, No. 3. pp. 576-581.
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AU - Yamada, Mineko

AU - Nakamura, Noriko

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