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  Thickness-dependent Ru exchange spring at La0.7Sr0.3MnO3–SrRuO3 interface

Koch, M., Bergmann, L., Agrestini, S., Maznichenko, I., Mertig, I., Herklotz, A., et al. (2020). Thickness-dependent Ru exchange spring at La0.7Sr0.3MnO3–SrRuO3 interface. Physica Status Solidi B, 257(7): 1900616. doi:10.1002/pssb.201900616.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-AA69-3 Version Permalink: https://hdl.handle.net/21.11116/0000-0009-4435-F
Genre: Journal Article

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https://doi.org/10.1002/pssb.201900616 (Publisher version)
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 Creators:
Koch, Martin1, Author
Bergmann, Lukas1, Author
Agrestini, Stefano1, Author
Maznichenko, Igor1, Author
Mertig, Ingrid2, Author
Herklotz, Andreas1, Author
Das, Sujit1, Author
Rata, Diana A.1, Author
Dörr, Kathrin1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Max Planck Institute of Microstructure Physics, Max Planck Society, Weinberg 2, 06120 Halle, DE, ou_2415691              

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 Abstract: The conducting oxide ferromagnets SrRuO3 (SRO) and LaSr0.3MnO3 (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.

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 Dates: 2020-01-22
 Publication Status: Issued
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 Identifiers: BibTex Citekey: P13864
DOI: 10.1002/pssb.201900616
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Project name : Funktionalität oxidischer Grenzflächen
Grant ID : SFB 762
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Funding organization : Deutsche Forschungsgemeinschaft

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Title: Physica Status Solidi B
  Abbreviation : Phys. Status Solidi B
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 257 (7) Sequence Number: 1900616 Start / End Page: - Identifier: ISSN: 0370-1972
CoNE: https://pure.mpg.de/cone/journals/resource/958480240330