Cylindrical Fermi surfaces of UAs2 and UP2

Piotr Wisniewski, Dai Aoki, Kohsaku Miyake, Narumi Watanabe, Yoshihiko Inada, Rikio Settai, Yoshinori Haga, Etsuji Yamamoto, Yoshichika Onuki

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)


We grew single crystals of tetragonal UAs2 and UP2 using chemical transport method. The residual resistivity ratio of 580 and 2900, respectively, indicated high quality of samples. Shubnikov-de Haas effect measurements performed on whisker single crystals of both compounds revealed seven fundamental oscillations in UAs2 and two in UP2. Five oscillations in UAs2 correspond to the cylindrical Fermi surfaces. The cyclotron masses in UAs2 were determined to range from 0.33 m0 to 4.5 m0. The two-dimensional Fermi surfaces are due to the strongly flattened magnetic Brillouin zone, the sequence of conducting U planes separated by weakly conducting As planes and, possibly, the anisotropic hybridization of 5f electrons.

Original languageEnglish
Pages (from-to)769-770
Number of pages2
JournalPhysica B: Condensed Matter
Publication statusPublished - Jun 1 2000
Externally publishedYes
EventYamada Conference LI - The International Conference on Strongly Correlated Electron Systems (SCES '99) - Nagano, Jpn
Duration: Aug 24 1999Aug 28 1999

ASJC Scopus subject areas

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


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