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  Ruddlesden-Popper interface in correlated manganite heterostructures induces magnetic decoupling and dead layer reduction

Belenchuk, A., Shapoval, O., Roddatis, V., Bruchmann-Bamberg, V., Samwer, K., Moshnyaga, V. (2016): Ruddlesden-Popper interface in correlated manganite heterostructures induces magnetic decoupling and dead layer reduction. - Applied Physics Letters, 109, 23, 232405.
https://doi.org/10.1063/1.4971833

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_4693919 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_4693919_2
Genre: Journal Article

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Belenchuk, A.1, Author
Shapoval, O.1, Author
Roddatis, Vladimir2, Author              
Bruchmann-Bamberg, V.1, Author
Samwer, K.1, Author
Moshnyaga, V.1, Author
Affiliations:
1External Organizations, ou_persistent22              
20 Pre-GFZ, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146023              

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 Abstract: We report on the interface engineering in correlated manganite heterostructures by octahedral decoupling using embedded stacks of atomic layers that form the Ruddlesden-Popper structure. A room temperature magnetic decoupling was achieved through deposition of a (SrO)(2)-TiO2-(SrO)(2) sequence of atomic layers at the interface between La0.7Sr0.3MnO3 and La0.7Sr0.3Mn0.9Ru0.1O3 films. Moreover, the narrowing of the interfacial dead layer in ultrathin La0.7Sr0.3MnO3 films was demonstrated by insertion of a single (SrO)(2) rock-salt layer at the interface with the SrTiO3(100) substrate. The obtained results are discussed based on the symmetry breaking and disconnection of the MnO6 octahedra network at the interface that may lead to the improved performance of all-oxide magnetic tunnel junctions. We suggest that octahedral decoupling realized by formation of Ruddlesden-Popper interfaces is an effective structural mechanism to control functionalities of correlated perovskite heterostructures. Published by AIP Publishing.

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 Dates: 2016
 Publication Status: Finally published
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 Rev. Type: -
 Identifiers: Other: WOS:000390677700026
DOI: 10.1063/1.4971833
ISSN: 0003-6951
URI: ://WOS:000390677700026
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Title: Applied Physics Letters
Source Genre: Journal, SCI, Scopus, Scopus bis 2022
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Pages: - Volume / Issue: 109 (23) Sequence Number: 232405 Start / End Page: - Identifier: CoNE: https://gfzpublic.gfz-potsdam.de/cone/journals/resource/journals2_28