Abstract

Abstract A fine structure of high-field magnetization curves of CsCoCl 3 and related compounds is discussed. It is shown that a precursor of a high-field phase transition originates from nucleation of an intermediate high-field ferrimagnetic (IFM) phase. Since the IFM state is degenerate its growth starting from few nucleation centers gives rise to domain walls formation. Their creep also makes a contribution to the magnetization dynamics similar to slow relaxation in Ca 3 Co 2 O 6 . An experimental verification of the model is proposed.

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