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Proceedings Paper

Spirals and skyrmions in two-dimensional oxide heterostructures (Presentation Recording)
Author(s): Xiaopeng Li; W. Vincent Liu; Leon Balents
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Paper 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.

Paper Details

Date Published: 5 October 2015
PDF: 1 pages
Proc. SPIE 9551, Spintronics VIII, 95511B (5 October 2015); doi: 10.1117/12.2186150
Show Author Affiliations
Xiaopeng Li, Univ. of Maryland, College Park (United States)
W. Vincent Liu, Univ. of Pittsburgh (United States)
Leon Balents, Univ. of California, Santa Barbara (United States)

Published in SPIE Proceedings Vol. 9551:
Spintronics VIII
Henri-Jean Drouhin; Jean-Eric Wegrowe; Manijeh Razeghi, Editor(s)

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