Quenching of Spin Fluctuations in Highly Enhanced Magnetic Materials
Low temperature heat capacity measurements from 1 to 20 K as a function of magnetic fields from 0 to 10 T (100 kOe) and magnetic susceptibility measurements at ~1.5 T from 1 to 300 K have been made on materials which exhibit unusual properties due to spin fluctuations. These include: the itinerant ferromagnet Sc3 In; the mixed valent compounds CeSnx (2.95 ≤ x ≤ 3.05), CeSi1.85 and CeSi1.9; RCo2 (R = Sc, Y, Lu), Sc, and Pd1−xNix (0 ≤ x ≤ 0.0275) alloys. Usually the application of high magnetic fields leads to a depression of the electronic specific heat constant. Results reported by other investigators on Pd, UAl2, TiBe2 and U0.85A10.15A12 are also discussed. To date six different types of behaviors have been identified.
KeywordsHeat Capacity Magnetic Susceptibility High Magnetic Field Spin Fluctuation Solid State Comm
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