Element specific hysteresis of La<sub>0.7</sub>Sr<sub>0.3</sub>MnO<sub>3</sub>-SrRuO<sub>3</sub> (LSMO-SRO) heterostructures
- Schäffer, A.
- Chotorlishvili, L.
- Maznichenko, I.
- Ernst, A.
- Dörr, K.
- Mertig, I.
- Berakdar, J.
DOIAbstract
The ferromagnetic oxides La0.7Sr0.3MnO3 (LSMO) and SrRuO3 (SRO) couple antiferromagnetically, leading to a canted spin-structure at the interface’s proximity. Performingfirst-principles calculations in combination with Monte Carlo and finite temperature micromagnetic simulations, we explore possible magnetic phases and find a distinctive element specific hysteresis behavior whose dependence on external parameters is analyzed. The results reveal the interplay of magnetic anisotropy and exchange coupling at the interface for the appearance of interfacial pin canting and unusual magnetic switching hich are of strong relevance for spintronic devices. In particular, the different coercive fields for SRO and LSMO allow performing selective switch...
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