First observation of de Haas-van Alphen effect in PuIn3

Yoshinori Haga, Dai Aoki, Hiroshi Yamagami, Tatsuma D. Matsuda, Kunihisa Nakajima, Yasuo Arai, Etsuji Yamamoto, Akio Nakamura, Yoshiya Homma, Yoshinobu Shiokawa, Yoshichika Onuki

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24 Citations (Scopus)

Abstract

We observed de Haas-van Alphen (dHvA) oscillation in a paramagnetic plutonium compound, PuIn3. In the present paper, we report the first observation of dHvA effect in plutonium compounds. One detected dHvA branch named γ corresponds to a closed band-27 electron Fermi surface, where three kinds of closed Fermi surfaces are calculated on the basis of the 5f -itinerant band model. The cyclotron mass of branch γ was determined as 4.8 m0. The dHvA signals are found to be extremely reduced as a function of time due to point defects produced by α-decay of 239Pu.

Original languageEnglish
Pages (from-to)2889-2892
Number of pages4
JournalJournal of the Physical Society of Japan
Volume74
Issue number11
DOIs
Publication statusPublished - 2005 Nov

Keywords

  • Energy band calculation
  • Fermi surface
  • PuIn
  • dHvA

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