Hauptseite > Publikationsdatenbank > Electrostatic Extension of Magnetic Proximity Effect in La0.7Sr0.4MnO3 > print

001     1044270
005     20250729202320.0
037 _ _ |a FZJ-2025-03140
041 _ _ |a English
100 1 _ |a Lan, Qianqian
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111 2 _ |a 50th Conference on the Physics and Chemistry of Surfaces and Interfaces
|g PCSI-50
|c Kona
|d 2025-01-19 - 2025-01-23
|w USA
245 _ _ |a Electrostatic Extension of Magnetic Proximity Effect in La0.7Sr0.4MnO3
260 _ _ |c 2025
336 7 _ |a Conference Paper
|0 33
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336 7 _ |a INPROCEEDINGS
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520 _ _ |a Many fascinating magnetic effects emerge at interfaces between layers with different magnetic orders. Interface confinement is intimately related to the magnetic proximity effect, which typically has a spatial extent of only a few atomic layers. This short extent is due to the underlying physical coupling mechanisms, such as the exchange interaction, the Dzyaloshinsky-Moriya interaction, interface states, rehybridization, and reconstruction, all of which are highly localized. We use off-axis electron holography to reveal an exceptionally long-range magnetic proximity effect reaching ∼40 nm at a ferromagnetic (FM)/ paramagnetic (PM) interface in La0.7Sr0.3MnO3 (LSMO). This wide extent arises from carrier diffusion and drift across the interface, which changes the Mn3+/Mn4+ ratio and thereby the density of magnetic moments and local Curie temperature. We determine the carrier concentration dependence of the Curie temperature and unravel the physical mechanism of the electrostatic extension of magnetic proximity effects, fundamentally reshaping our understanding of micromagnetism inperovskites.
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700 1 _ |a Schnedler, Michael
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700 1 _ |a Freter, Lars
|0 P:(DE-Juel1)176471
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700 1 _ |a Wang, Chuanshou
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700 1 _ |a Fischer, Kurt
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700 1 _ |a Dunin-Borkowski, Rafal
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700 1 _ |a Ebert, Philipp
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|e Corresponding author
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856 4 _ |u https://pcsi2025.avs.org/wp-content/uploads/2024/10/ProgramBook.pdf
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910 1 _ |a Forschungszentrum Jülich
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910 1 _ |a Southern University of Science and Technology, China
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910 1 _ |a National Institute of Technology, Japan
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910 1 _ |a Forschungszentrum Jülich
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914 1 _ |y 2025
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