Abstract
A classical model is developed which explains theS-like magnetization curves of CuMn alloys recently found and their close connection with relaxation processes. Its basis is an anisotropy field taken as uniaxial and an expression for the magnetic energy of a single moment in it following Néel [13]. With the resulting energy barriers,E, the observed magnetization curves are explained as transition states between the “zero point magnetization”M 0=M(T→0) and the thermal equilibrium magnetizationM ∞=M(t→∞,T). The frequency distribution ofE, f(E), which can also be calculated, leads to a satisfactory description of theB- andT-dependences of the relaxation experiments.
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Schwink, C., Emmerich, K. & Schulze, U. Model calculations on the magnetization processes in moderate fields of CuMn-like alloys below the freezing temperature. Z Physik B 31, 385–389 (1978). https://doi.org/10.1007/BF01351548
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DOI: https://doi.org/10.1007/BF01351548