Direct observation of magnetic phase coexistance and magnetization reversal in a Gd0.67Ca0.33MnO3 thin film (original) (raw)

Abstract

We have investigated the ferrimagnetic domain structure in a Gd{sub 0.67}Ca{sub 0.33}MnOâ thin film using magnetic force microscopy. We observe clear signs of phase separation, with magnetic islands embedded in a non-magnetic matrix. We also directly visualize the reversal of magnetization of ferrimagnetic domains as a function of temperature and attribute it to a change in the balance of magnetization of anti-aligned Mn and Gd sublattices.

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