Noncircular skyrmion and its anisotropic response in thin films of chiral magnets under a tilted magnetic field

Lin, Shi-Zeng; Saxena, Avadh

doi:10.1103/PhysRevB.92.180401

Title: Noncircular skyrmion and its anisotropic response in thin films of chiral magnets under a tilted magnetic field

Journal Article · Tue Nov 03 00:00:00 EST 2015 · Physical Review. B, Condensed Matter and Materials Physics

DOI:https://doi.org/10.1103/PhysRevB.92.180401· OSTI ID:1255073

Lin, Shi-Zeng ^[1]; Saxena, Avadh ^[1]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Here we study the equilibrium and dynamical properties of skyrmions in thin films of chiral magnets with oblique magnetic field. The shape of an individual skyrmion is non-circular and the skyrmion density decreases with the tilt angle from the normal of films. As a result, the interaction between two skyrmions depends on the relative angle between them in addition to their separation. The triangular lattice of skyrmions under a perpendicular magnetic field is distorted into a centered rectangular lattice for a tilted magnetic field. For a low skyrmion density, skyrmions form a chain like structure. Lastly, the dynamical response of the non-circular skyrmions depends on the direction of external currents.

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Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: AC52-06NA25396

OSTI ID:: 1255073

Alternate ID(s):: OSTI ID: 1224924

Report Number(s):: LA-UR-15-26477; PRBMDO

Journal Information:: Physical Review. B, Condensed Matter and Materials Physics, Vol. 92, Issue 18; ISSN 1098-0121

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 33 works

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Multiple tuning of magnetic biskyrmions using in situ L-TEM in centrosymmetric MnNiGa alloy Peng, Licong; Zhang, Ying; He, Min Journal of Physics: Condensed Matter, Vol. 30, Issue 6 https://doi.org/10.1088/1361-648x/aaa527	journal	January 2018
DC spinmotive force from microwave-active resonant dynamics of a skyrmion crystal under a tilted magnetic field Koide, Tatsuya; Takeuchi, Akihito; Mochizuki, Masahito Physical Review B, Vol. 100, Issue 1 https://doi.org/10.1103/physrevb.100.014408	journal	July 2019
The stability of a skyrmion in a nanotube Huo, Xiaohong; Liu, Yan New Journal of Physics, Vol. 21, Issue 9 https://doi.org/10.1088/1367-2630/ab3d89	journal	September 2019
Long-wavelength emergent phonons in Bloch skyrmion crystals distorted by exchange anisotropy and tilted magnetic fields Hu, Yangfan Physical Review B, Vol. 100, Issue 14 https://doi.org/10.1103/physrevb.100.144424	journal	October 2019
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Long-wavelength emergent phonons in skyrmion crystals distorted by exchange anisotropy and tilted magnetic fields Hu, Yangfan arXiv https://doi.org/10.48550/arxiv.1905.03987	text	January 2019

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