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μSR studies of magnetic correlations in Pt and Cu doped CeNiSn

Physica B Condensed Matter
Publication Date
DOI: 10.1016/s0921-4526(97)81591-8
  • Chapter 9. Low-Carrier System
  • Mixed Valent System
  • Fesi And Miscellaneous


Abstract The development of magnetic correlations at low temperatures was studied by muon spin relaxation (μSR) and specific heat measurements in CePt x Ni 1- x Sn ( x = 0.12, 0.2) and CeCu x Ni 1- x Sn ( x = 0.05, 0.1, 0.2). Doping with Pt up to 20% increases the magnetic correlations only weakly. In contrast, doping with either 10% or 20% Cu strengthens the correlations up to the point of forming a spin-glass-like state and finally long range order. The large difference in magnetic behavior between CePt x Ni 1- x Sn and CeCu x Ni 1- x Sn shows that the increase in d electron density when doping with CU is likely to be the important factor for strengthening magnetism.

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