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5 October 2015 Spirals and skyrmions in two-dimensional oxide heterostructures (Presentation Recording)
Xiaopeng Li, W. Vincent Liu, Leon Balents
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Proceedings Volume 9551, Spintronics VIII; 95511B (2015) https://doi.org/10.1117/12.2186150
Event: SPIE Nanoscience + Engineering, 2015, San Diego, California, United States
Abstract
Metallic interfaces between insulating oxides such as STO-LAO or STO-GTO provide a versatile platform to study two dimensional electron liquids. Numerous experiments have observed magnetism and significant spin-orbit effects in such structures. We construct the general free energy governing long-wavelength magnetism in two-dimensional oxide heterostructures, which applies irrespective of the microscopic mechanism for magnetism. This leads, in the relevant regime of weak but non-negligible spin-orbit coupling, to a rich phase diagram containing in-plane ferromagnetic, spiral, cone, and skyrmion lattice phases, as well as a nematic state stabilized by thermal fluctuations.
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Xiaopeng Li, W. Vincent Liu, and Leon Balents "Spirals and skyrmions in two-dimensional oxide heterostructures (Presentation Recording)", Proc. SPIE 9551, Spintronics VIII, 95511B (5 October 2015); https://doi.org/10.1117/12.2186150
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KEYWORDS
Oxides
Heterojunctions
Magnetism
Ferromagnetics
Interfaces
Lead
Liquids
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