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Magnetic microstructure and magnetotransport in Co<sub>2</sub>FeAl Heusler compound thin films

Magnetic microstructure and magnetotransport in Co2FeAl Heusler compound thin films

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WEILER, Mathias, Franz D. CZESCHKA, Andreas BRANDLMAIER, Inga-Mareen IMORT, Günter REISS, Andy THOMAS, Georg WOLTERSDORF, Rudolf GROSS, Sebastian T. B. GÖNNENWEIN, 2011. Magnetic microstructure and magnetotransport in Co2FeAl Heusler compound thin films. In: Applied Physics Letters. American Institute of Physics (AIP). 98(4), 042501. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.3544559

@article{Weiler2011Magne-52536, title={Magnetic microstructure and magnetotransport in Co2FeAl Heusler compound thin films}, year={2011}, doi={10.1063/1.3544559}, number={4}, volume={98}, issn={0003-6951}, journal={Applied Physics Letters}, author={Weiler, Mathias and Czeschka, Franz D. and Brandlmaier, Andreas and Imort, Inga-Mareen and Reiss, Günter and Thomas, Andy and Woltersdorf, Georg and Gross, Rudolf and Gönnenwein, Sebastian T. B.}, note={Article Number: 042501} }

Woltersdorf, Georg Weiler, Mathias Brandlmaier, Andreas Woltersdorf, Georg We correlate simultaneously recorded magnetotransport and spatially resolved magneto optical Kerr effect (MOKE) data in Co<sub>2</sub>FeAl Heusler compound thin films micropatterned into Hall bars. Room temperature MOKE images reveal the nucleation and propagation of domains in an externally applied magnetic field and are used to extract a macrospin corresponding to the mean magnetization direction in the Hall bar. The anisotropic magnetoresistance calculated using this macrospin is in excellent agreement with magnetoresistance measurements. This suggests that the magnetotransport in Heusler compounds can be adequately simulated using simple macrospin models, while the magnetoresistance contribution due to domain walls is of negligible importance. Reiss, Günter 2011 Imort, Inga-Mareen Magnetic microstructure and magnetotransport in Co<sub>2</sub>FeAl Heusler compound thin films eng Thomas, Andy Brandlmaier, Andreas Gross, Rudolf Gönnenwein, Sebastian T. B. 2021-01-22T11:52:04Z Imort, Inga-Mareen terms-of-use Czeschka, Franz D. Thomas, Andy 2021-01-22T11:52:04Z Reiss, Günter Gönnenwein, Sebastian T. B. Czeschka, Franz D. Weiler, Mathias Gross, Rudolf

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