Publikation: The effect of magnetic anisotropy on the spin configurations of patterned La0.7Sr0.3MnO3 elements
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2013
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Rhensius, Jan
Vaz, Carlos A. F.
Heidler, Jakoba
Bisig, André
Foerster, Michael
Méchin, Laurence
Gaucher, Fabien
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Journal of Physics: Condensed Matter. 2013, 25(17), 176004. ISSN 0953-8984. eISSN 1361-648X. Available under: doi: 10.1088/0953-8984/25/17/176004
Zusammenfassung
We study the effect of magnetocrystalline anisotropy on the magnetic configurations of La0.7Sr0.3MnO3 bar and triangle elements using photoemission electron microscopy imaging. The dominant remanent state is a low energy flux-closure state for both thin (15 nm) and thick (50 nm) elements. The magnetocrystalline anisotropy, which competes with the dipolar energy, causes a strong modification of the spin configuration in the thin elements, depending on the shape, size and orientation of the structures. We investigate the magnetic switching processes and observe in triangular shaped elements a displacement of the vortex core along the easy axis for an external magnetic field applied close to the hard axis, which is well reproduced by micromagnetic simulations.
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WOHLHÜTER, Phillip, Jan RHENSIUS, Carlos A. F. VAZ, Jakoba HEIDLER, Helmut KÖRNER, André BISIG, Michael FOERSTER, Laurence MÉCHIN, Fabien GAUCHER, Mathias KLÄUI, 2013. The effect of magnetic anisotropy on the spin configurations of patterned La0.7Sr0.3MnO3 elements. In: Journal of Physics: Condensed Matter. 2013, 25(17), 176004. ISSN 0953-8984. eISSN 1361-648X. Available under: doi: 10.1088/0953-8984/25/17/176004BibTex
@article{Wohlhuter2013-05-01effec-42510,
year={2013},
doi={10.1088/0953-8984/25/17/176004},
title={The effect of magnetic anisotropy on the spin configurations of patterned La<sub>0.7</sub>Sr<sub>0.3</sub>MnO<sub>3</sub> elements},
number={17},
volume={25},
issn={0953-8984},
journal={Journal of Physics: Condensed Matter},
author={Wohlhüter, Phillip and Rhensius, Jan and Vaz, Carlos A. F. and Heidler, Jakoba and Körner, Helmut and Bisig, André and Foerster, Michael and Méchin, Laurence and Gaucher, Fabien and Kläui, Mathias},
note={Article Number: 176004}
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<dcterms:abstract xml:lang="eng">We study the effect of magnetocrystalline anisotropy on the magnetic configurations of La<sub>0.7</sub>Sr<sub>0.3</sub>MnO<sub>3</sub> bar and triangle elements using photoemission electron microscopy imaging. The dominant remanent state is a low energy flux-closure state for both thin (15 nm) and thick (50 nm) elements. The magnetocrystalline anisotropy, which competes with the dipolar energy, causes a strong modification of the spin configuration in the thin elements, depending on the shape, size and orientation of the structures. We investigate the magnetic switching processes and observe in triangular shaped elements a displacement of the vortex core along the easy axis for an external magnetic field applied close to the hard axis, which is well reproduced by micromagnetic simulations.</dcterms:abstract>
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