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Local tunneling magnetoresistance probed by low-temperature scanning laser microscopy

Local tunneling magnetoresistance probed by low-temperature scanning laser microscopy

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WERNER, Robert, Mathias WEILER, Aleksandr Yu. PETROV, Bruce A. DAVIDSON, Rudolf GROSS, Reinhold KLEINER, Sebastian T. B. GÖNNENWEIN, Dieter KOELLE, 2011. Local tunneling magnetoresistance probed by low-temperature scanning laser microscopy. In: Applied Physics Letters. American Institute of Physics (AIP). 99(18), 182513. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.3659301

@article{Werner2011-08-31T08:43:05ZLocal-52510, title={Local tunneling magnetoresistance probed by low-temperature scanning laser microscopy}, year={2011}, doi={10.1063/1.3659301}, number={18}, volume={99}, issn={0003-6951}, journal={Applied Physics Letters}, author={Werner, Robert and Weiler, Mathias and Petrov, Aleksandr Yu. and Davidson, Bruce A. and Gross, Rudolf and Kleiner, Reinhold and Gönnenwein, Sebastian T. B. and Koelle, Dieter}, note={Article Number: 182513} }

Gross, Rudolf Davidson, Bruce A. Gross, Rudolf Petrov, Aleksandr Yu. Tunneling magnetoresistance in a vertical manganite junction was investigated by low-temperature scanning laser microscopy (LTSLM) allowing to determine the local relative magnetization M orientation of the two electrodes as a function of magnitude and orientation of the external magnetic field H. Sweeping the field amplitude at fixed orientation revealed magnetic domain nucleation and propagation in the junction electrodes. For the high-resistance state, an almost single-domain antiparallel magnetization configuration was achieved, while in the low-resistance state the junction remained in a multidomain state. Calculated resistance R<sub>calc</sub>(H) based on the local M configuration obtained by LTSLM is in quantitative agreement with R(H) measured by magnetotransport. Davidson, Bruce A. Werner, Robert Weiler, Mathias Werner, Robert eng Koelle, Dieter 2021-01-20T08:20:58Z Koelle, Dieter Petrov, Aleksandr Yu. Gönnenwein, Sebastian T. B. 2021-01-20T08:20:58Z Gönnenwein, Sebastian T. B. Kleiner, Reinhold 2011-08-31T08:43:05Z terms-of-use Local tunneling magnetoresistance probed by low-temperature scanning laser microscopy Kleiner, Reinhold Weiler, Mathias

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