Dresden 2020 – wissenschaftliches Programm
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MA: Fachverband Magnetismus
MA 32: Multiferroics and Magnetoelectric Coupling I (joint session MA/KFM)
MA 32.9: Vortrag
Mittwoch, 18. März 2020, 11:45–12:00, HSZ 401
Depth-resolved magnetism in La0.67 Sr0.33 MnO3/PMN-PT as a function of applied electric field — •Tanvi Bhatnagar1,2, Anirban Sarkar1, Emmanuel Kentzinger1, Andras Kovács2, Qianqian Lan2, Patrick Schöffmann3, Annika Stellhorn1, Markus Waschk1, Brian Kirby4, Alexander Grutter4, Rafal Edward Dunin-Borkowski2, and Thomas Brückel1 — 1Forschungszentrum Jülich GmbH, Jülich Centre for Neutron Science (JCNS-2) and Peter Grünberg Institute (PGI-4), JARA-FIT, 52425 Jülich, Germany — 2Forschungszentrum Jülich GmbH, Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons and Peter Grünberg Institute (PGI-5), 52425 Jülich, Germany — 3Forschungszentrum Jülich GmbH, Jülich Centre for Neutron Science (JCNS) at MLZ, 85747 Garching, Germany — 4NIST Center for Neutron Research, NIST, Gaithersburg, MD
The magnetic depth profile of an epitaxially-grown artificial multiferroic ferromagnetic/ (ferroelectric, piezoelectric) La0.67Sr0.33MnO3/0.7(Pb(Mg1/3Nb2/3)O3)-0.3(PbTiO3)(001) heterostructure is studied using polarized neutron reflectometry, revealing changes in interfacial magnetism when a voltage is applied between the layers. For a better understanding of the results, structural characterization of the interfacial morphology is performed using transmission electron microscopy.