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001006618 0247_ $$2doi$$a10.48550/ARXIV.2302.14398
001006618 0247_ $$2datacite_doi$$a10.34734/FZJ-2023-01751
001006618 037__ $$aFZJ-2023-01751
001006618 1001_ $$0P:(DE-Juel1)185991$$aAldarawsheh, Amal$$b0$$eCorresponding author
001006618 245__ $$aA spin model for intrinsic antiferromagnetic skyrmions on a triangular lattice
001006618 260__ $$barXiv$$c2023
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001006618 520__ $$aSkyrmions are prospected as the potential future of data storage due to their topologically protected spin structures. However, traditional ferromagnetic (FM) skyrmions experience deflection when driven with an electric current, hindering their usage in spintronics. Antiferromagnetic (AFM) skyrmions, consisting of two FM solitons coupled antiferromagnetically, are predicted to have a zero Magnus force, making them promising candidates for spintronic racetrack memories. Currently, they have been stabilized in synthetic AFM structures, i.e. multilayers hosting FM skyrmions, which couple antiferromagnetically through a non-magnetic spacer, while recent first-principles simulations predict their emergence in an intrinsic form, within an row-wise AFM single monolayer of Cr deposited on PdFe bilayer grown on Ir(111) surfaces. The latter material forms a triangular lattice, where single and interlinked AFM skyrmions can be stabilized. Here, we explore the minimal Heisenberg model enabling the occurrence of such AFM solitons and the underlying phase diagrams by accounting for the interplay between the Dzyaloshinskii-Moriya and Heisenberg exchange interactions, as well as the magnetic anisotropy and impact of magnetic field. By providing the fundamental basis to identify and understand the behavior of intrinsic AFM skyrmions, we anticipate our model to become a powerful tool for exploring and designing new topological magnetic materials to conceptualize devices for AFM spintronics.
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001006618 650_7 $$2Other$$aMaterials Science (cond-mat.mtrl-sci)
001006618 650_7 $$2Other$$aMesoscale and Nanoscale Physics (cond-mat.mes-hall)
001006618 650_7 $$2Other$$aFOS: Physical sciences
001006618 7001_ $$0P:(DE-Juel1)174583$$aSallermann, Moritz$$b1$$ufzj
001006618 7001_ $$0P:(DE-HGF)0$$aAbusaa, Muayad$$b2
001006618 7001_ $$0P:(DE-Juel1)130805$$aLounis, Samir$$b3$$eCorresponding author
001006618 773__ $$a10.48550/ARXIV.2302.14398
001006618 8564_ $$uhttps://juser.fz-juelich.de/record/1006618/files/2302.14398.pdf$$yOpenAccess
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001006618 9141_ $$y2023
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001006618 9201_ $$0I:(DE-Juel1)IAS-1-20090406$$kIAS-1$$lQuanten-Theorie der Materialien$$x0
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