Magneto-optical imaging of elastic strain-controlled magnetization reorientation
| Type of Publication: | Journal article |
| Publication status: | Published |
| Author: | Brandlmaier, Andreas; Brasse, Mattias; Geprägs, Stephan; Weiler, Mathias; Gross, Rudolf; Gönnenwein, Sebastian T. B. |
| Year of publication: | 2012 |
| Published in: | The European Physical Journal B ; 85 (2012), 4. - 124. - Springer. - ISSN 1434-6028. - eISSN 1434-6036 |
| DOI (citable link): | https://dx.doi.org/10.1140/epjb/e2012-20675-4 |
| Summary: |
We study strain-controlled magnetization-reorientation processes in nickel thin film/piezoelectric actuator hybrid structures. To obtain a consistent picture of the connection between magnetic microstructure and magnetoresistance, we correlate simultaneously measured spatially resolved magneto-optical Kerr effect imaging and integral magnetotransport measurements at room temperature. Our results show that the magnetization predominantly reorients by coherent rotation as a function of the voltage applied to the hybrid, except for a narrow region around the coercive field for which the magnetization reorientation evolves via domain effects. This demonstrates that both magnetic-field and strain-driven magnetization reversal can be modeled in terms of a macrospin model.
|
| Subject (DDC): | 530 Physics |
| Refereed: | Yes |
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BRANDLMAIER, Andreas, Mattias BRASSE, Stephan GEPRÄGS, Mathias WEILER, Rudolf GROSS, Sebastian T. B. GÖNNENWEIN, 2012. Magneto-optical imaging of elastic strain-controlled magnetization reorientation. In: The European Physical Journal B. Springer. 85(4), 124. ISSN 1434-6028. eISSN 1434-6036. Available under: doi: 10.1140/epjb/e2012-20675-4
@article{Brandlmaier2012Magne-52509, title={Magneto-optical imaging of elastic strain-controlled magnetization reorientation}, year={2012}, doi={10.1140/epjb/e2012-20675-4}, number={4}, volume={85}, issn={1434-6028}, journal={The European Physical Journal B}, author={Brandlmaier, Andreas and Brasse, Mattias and Geprägs, Stephan and Weiler, Mathias and Gross, Rudolf and Gönnenwein, Sebastian T. B.}, note={Article Number: 124} }
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