Direct observation of magnetic phase coexistence and magnetization reversal in a Gd$_{0.67}$Ca$_{0.33}$MnO$_{3}$ thin film

Avadh Saxena; Evgeny Nazaretski; J. D. Thompson; Jeehoon Kim; Leonardo Civale; N. Haberkorn; Paul Dowden; Roman Movshovich

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Direct observation of magnetic phase coexistence and magnetization reversal in a Gd$_{0.67}$Ca$_{0.33}$MnO$_{3}$ thin film

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arxiv 1201.2144 v1 pith:WBRGZDSR submitted 2012-01-10 cond-mat.str-el

Jeehoon Kim , N. Haberkorn , Leonardo Civale , Evgeny Nazaretski , Paul Dowden , Avadh Saxena , J. D. Thompson , Roman Movshovich This is my paper · ORCID

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keywords magneticmagnetizationferrimagneticfilmphasereversalthinanti-aligned

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abstract

We have investigated the ferrimagnetic domain structure in a Gd$_{0.67}$Ca$_{0.33}$MnO$_{3}$ 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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