238U Mössbauer Study on the 5f-Quadrupoles in Uranium-Based Intermetallics

S. Tsutsui, M. Nakada, S. Nasu, T. Honma, Y. Tokiwa, D. Aoki, P. Wisniewski, Y. Haga, Y. Ōnuki

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


We have determined the distribution of the 5f-quadrupoles and detected the 5f-quadrupole order in the uranium intermetallics, uranium dipnictides and UPd3, with 238U Mössbauer spectroscopy. We have declared that the distribution of the 5f-qaudrupoles depends on the magnetic sequence in uranium dipnictides. The distribution of the 5f-quadrupole is spherical in UBi2, while those are oblate within c-plane in UP2, UAs2 and USb2. We have observed the sudden drop of the recoil-free fraction above the transition temperature of the quadrupole order in UPd3. The present result suggests the change of the phonon states due to the quadrupole order in this compound.

Original languageEnglish
Pages (from-to)237-242
Number of pages6
JournalHyperfine Interactions
Issue number1-4
Publication statusPublished - 2002 Jun 28
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry


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