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Efficient spin transfer torque in La<sub>2/3</sub>Sr<sub>1/3</sub>MnO<sub>3</sub> nanostructures

Efficient spin transfer torque in La2/3Sr1/3MnO3 nanostructures


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FOERSTER, Michael, Luis PEÑA, Carlos A. F. VAZ, Jan HEINEN, Simone FINIZIO, Tomek SCHULZ, André BISIG, Felix BÜTTNER, Stefan EISEBITT, Laurence MÉCHIN, Sebastian HÜHN, Vasily MOSHNYAGA, Mathias KLÄUI, 2014. Efficient spin transfer torque in La2/3Sr1/3MnO3 nanostructures. In: Applied Physics Letters. 104(7), 072410. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.4865415

@article{Foerster2014Effic-30484, title={Efficient spin transfer torque in La2/3Sr1/3MnO3 nanostructures}, year={2014}, doi={10.1063/1.4865415}, number={7}, volume={104}, issn={0003-6951}, journal={Applied Physics Letters}, author={Foerster, Michael and Peña, Luis and Vaz, Carlos A. F. and Heinen, Jan and Finizio, Simone and Schulz, Tomek and Bisig, André and Büttner, Felix and Eisebitt, Stefan and Méchin, Laurence and Hühn, Sebastian and Moshnyaga, Vasily and Kläui, Mathias}, note={Article Number: 072410} }

Peña, Luis Bisig, André Foerster, Michael Peña, Luis 2014 Efficient spin transfer torque in La<sub>2/3</sub>Sr<sub>1/3</sub>MnO<sub>3</sub> nanostructures Heinen, Jan Méchin, Laurence 2015-03-23T10:32:09Z Hühn, Sebastian Kläui, Mathias Vaz, Carlos A. F. Eisebitt, Stefan We carry out low temperature magnetotransport measurements on nanostructured La<sub>2/3</sub>Sr<sub>1/3</sub>MnO<sub>3</sub> wires to study the interaction between spin-polarized current and magnetization in this half metallic material. We selectively position domain walls by applying external fields. The domain wall resistance is found to be positive, in contrast to conventional 3d metals. The depinning field is reduced when current pulses are injected into the wire. By comparing measurements for both current polarities, we can disentangle heating and spin transfer torque effects. The determined spin transfer torque efficiency is of the order of 4 × 10<sup>−14</sup> Tm<sup>2</sup>/A, which is significantly higher than in permalloy. Vaz, Carlos A. F. 2015-03-23T10:32:09Z Eisebitt, Stefan Kläui, Mathias Moshnyaga, Vasily Büttner, Felix Bisig, André Moshnyaga, Vasily Finizio, Simone Heinen, Jan eng Hühn, Sebastian Foerster, Michael Finizio, Simone Büttner, Felix Schulz, Tomek Méchin, Laurence Schulz, Tomek

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