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Spin configurations in Co <sub>2</sub> FeAl<sub>0.4</sub>Si<sub>0.6</sub> Heusler alloy thin film elements

Spin configurations in Co 2 FeAl0.4Si0.6 Heusler alloy thin film elements

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Prüfsumme: MD5:5a072adea47ec7eb146ce913d298f703

VAZ, Carlos, Jan RHENSIUS, Jakoba HEIDLER, Phillip WOHLHÜTER, André BISIG, Helmut KÖRNER, Tevfik MENTES, Andrea LOCATELLI, Loic LE GUYADER, Frithjof NOLTING, Tanja GRAF, Claudia FELSER, Laura HEYDERMAN, Mathias KLÄUI, 2011. Spin configurations in Co 2 FeAl0.4Si0.6 Heusler alloy thin film elements. In: Applied Physics Letters. 99(18), 182510. ISSN 0003-6951

@article{Vaz2011confi-19795, title={Spin configurations in Co 2 FeAl0.4Si0.6 Heusler alloy thin film elements}, year={2011}, doi={10.1063/1.3657828}, number={18}, volume={99}, issn={0003-6951}, journal={Applied Physics Letters}, author={Vaz, Carlos and Rhensius, Jan and Heidler, Jakoba and Wohlhüter, Phillip and Bisig, André and Körner, Helmut and Mentes, Tevfik and Locatelli, Andrea and Le Guyader, Loic and Nolting, Frithjof and Graf, Tanja and Felser, Claudia and Heyderman, Laura and Kläui, Mathias}, note={Article Number: 182510} }

Bisig, André Nolting, Frithjof Körner, Helmut Locatelli, Andrea Wohlhüter, Phillip eng Le Guyader, Loic Felser, Claudia Heyderman, Laura Rhensius, Jan Nolting, Frithjof Le Guyader, Loic Locatelli, Andrea Mentes, Tevfik 2012-07-18T09:30:34Z Kläui, Mathias Felser, Claudia Graf, Tanja Körner, Helmut Wohlhüter, Phillip 2012-07-18T09:30:34Z Graf, Tanja Mentes, Tevfik Heidler, Jakoba Vaz, Carlos 2011 We determine experimentally the spin structure of half-metallic Co2FeAl0.4Si0.6 Heusler alloy elements using magnetic microscopy. Following magnetic saturation, the dominant magnetic states consist of quasi-uniform configurations, where a strong influence from the magnetocrystalline anisotropy is visible. Heating experiments show the stability of the spin configuration of domain walls in confined geometries up to 800 K. The switching temperature for the transition from transverse to vortex walls in ring elements is found to increase with ring width, an effect attributed to structural changes and consequent changes in magnetic anisotropy, which start to occur in the narrower elements at lower temperatures. Heidler, Jakoba Kläui, Mathias Bisig, André Heyderman, Laura Rhensius, Jan deposit-license First publ. in: Applied Physics Letters ; 99 (2011), 18. - 182510 Vaz, Carlos Spin configurations in Co <sub>2</sub> FeAl<sub>0.4</sub>Si<sub>0.6</sub> Heusler alloy thin film elements

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