Effect of growth-induced internal stresses on the hematite crystal magnetization in the basal plane

The behavior of the domain structure in thin hematite crystal platelets subjected to a magnetic field is studied. In a certain range of the magnetic field aligned with the hard magnetic axis in the basal plane, a magnetic superstructure with the ferromagnetic vector azimuth oscillating along the magnetic field is found to arise in the crystals with internal stresses. Experimental data are discussed in terms of the magnetization ripple theory.

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