Influence of magnetic field on electric-field-induced local polar states in manganites

It is shown that creation of local charged states at the surface of the lanthanum-strontium manganite single crystals by means of bias application via a conducting atomic force microscope tip is strongly affected by magnetic field. Both a charge and a size of created structures increase significantl...

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Veröffentlicht in:Applied physics letters 2015-11, Vol.107 (19)
Hauptverfasser: Mamin, R. F., Strle, J., Bizyaev, D. A., Yusupov, R. V., Kabanov, V. V., Kranjec, A., Borovsak, M., Mihailovic, D., Bukharaev, A. A.
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Sprache:eng
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Zusammenfassung:It is shown that creation of local charged states at the surface of the lanthanum-strontium manganite single crystals by means of bias application via a conducting atomic force microscope tip is strongly affected by magnetic field. Both a charge and a size of created structures increase significantly on application of the magnetic field during the induction. We argue that the observed phenomenon originates from a known tendency of manganites toward charge segregation and its intimate relation to magnetic ordering.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4935587