Gareev, R. R. and Zbarsky, V. and Landers, J. and Soldatov, I. and Schaefer, R. and Muenzenberg, M. and Wende, H. and Gruenberg, P. (2015) The role of weak interlayer coupling in the spin-reorientation of perpendicular ultrathin Co-Fe-B/MgO-based heterostructures. APPLIED PHYSICS LETTERS, 106 (13): 132408. ISSN 0003-6951, 1077-3118
Full text not available from this repository.Abstract
Ultrathin magnetic tunneling structures implicate fundamental interlayer exchange coupling between magnetic layers. Here, we describe its important role in the spin-reorientation transition of weakly coupled perpendicular ultrathin Ta/Co-Fe-B/MgO/Co-Fe-B/Ta heterostructures. Near the spin-reorientation, the domain structure is quite sensitive to weak interlayer exchange coupling. Antiferromagnetic coupling stabilizes homogeneous perpendicular magnetization at the remanence, whereas ferromagnetic coupling favors in-/out-of-plane stripe domains. Close to the spin-reorientation transition, even the subtle changes of interlayer exchange coupling can lead to reversible switching between stable in-and out-of-plane states. Our results suggest that this multi-stability caused by the interplay of perpendicular anisotropy and weak interlayer coupling can be utilized in perpendicular spin torque devices operating under reduced spin currents. (C) 2015 AIP Publishing LLC.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | MAGNETIC TUNNEL-JUNCTIONS; ROOM-TEMPERATURE; ANISOTROPY; MAGNETORESISTANCE; TORQUE; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 22 Jul 2019 14:09 |
| Last Modified: | 22 Jul 2019 14:09 |
| URI: | https://pred.uni-regensburg.de/id/eprint/5761 |
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