^<195>Pt and ^<29>Si NMR Studies in U(Pt_<1-x>Pd_x)_3 and U(Ru_<1-x>Rh_x)_2Si_2 : Chapter 6. Magnetic Properties : 6-4. Low Temperature Magnetic Properties :

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  • KOHORI,Yoh
    Department of Material Science, Faculty of Science, Himeji Institute of Technology
  • NOGUSHI,Yukihiro
    Department of Material Science, Faculty of Science, Himeji Institute of Technology
  • KOHARA,.Takao
    Department of Material Science, Faculty of Science, Himeji Institute of Technology
  • ASAYAMA,Kunisuke
    Department of Material Physics, Faculty of Engineering Science Osaka University
  • AMITSUKA,Hiroshi
    Department of Physics, Faculty of Science, Hokkaido University
  • MIYAKO,Yoshihito
    Department of Earth and Space Science, Faculty of Science, Osaka University

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^<195>Pt and ^<29>SiNMP studies have been performed in U(Pt_<1-x>Pd)_3 and U(Ru_<1-x>Rh_x)_2Si_2. The zero field Pt NMR was observed in the antiferromagnetic state of U(Pt_<0.95>Pd_<0.05>)_3. The magnitude of the internal field, H_<int>, is 22 ～38 KOe indicating that the transferred fields from U moments do not cancel at the Pt site owing to the low symmetry of the crystal. On the contrary , we could not detect H_<int>(< 300 Oe) in UP_3 whose magnetic structure is the same as that of U(Pt_<0.95>Pd_<0.05)_3. In U(Ru_<1-x>Rh_x)_2Si_2, the temperature dependence of the nuclear spin lattice relaxation time has shown that the system is in the Fermi liquid state below about 60 K for 0≦x≦0.03 and is in the localized state for 0.1≦x≦1.0.

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  • JJAP series

    JJAP series 8 236-239, 1993-01-31

    Japanese Journal of Applied Physics

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