| Autor: |
Koch, Martin M., Bergmann, Lukas, Agrestini, Stefano, Maznichenko, Igor, Mertig, Ingrid, Herklotz, Andreas, Das, Sujit, Rata, Diana A., Dörr, Kathrin |
| Předmět: |
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| Zdroj: |
Physica Status Solidi (B); Jul2020, Vol. 257 Issue 7, p1-6, 6p |
| Abstrakt: |
The conducting oxide ferromagnets SrRuO3 (SRO) and La0.7Sr0.3MnO3 (LSMO) form a Ru exchange spring at a coherent low‐interdiffusion interface grown on TiO2‐terminated SrTiO3(STO)(001) substrates as SRO(d)/LSMO/STO(001) bilayers. Field‐ and temperature‐dependent magnetization data with systematically varied thickness d of SRO from 7 to 18 unit cells (uc) indicate a thickness of 10–14 uc of the exchange spring which governs magnetic switching and causes thickness‐dependent field‐cooling effects. Mn L3 edge X‐ray magnetic circular dichroism (XMCD) data reveal the dominating in‐plane orientation of interfacial spins. In low magnetic fields, noncoplanar, topologically nontrivial spin textures arise and can be switched, driven by the Zeeman energy of the LSMO layer. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
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