Open Access

Materials

, volume 13 , issue 1 , pages 99

Artificial dense lattices of magnetic skyrmions

Maksim V Sapozhnikov ^{1, 2}

Yuri V Petrov ³

Nikita S Gusev ¹

Alexey G Temiryazev ⁴

O. L. Ermolaeva ¹

Victor L. Mironov ^{1, 2}

Oleg G. Udalov ^{1, 2, 5}

Hide authors affiliations Show authors affiliations: 5 affiliations

Institute for physics of microstructures RAS, 603950 Nizhny Novgorod, Russia |

Radio-physic Department, Lobachevsky State University of Nizhny Novgorod, 603950 Nizhny Novgorod, Russia |

Physics Department, Saint Petersburg State University, Universitetskaya nab. 7/9, 199034 St. Petersburg, Russia |

⁴

Kotel’nikov Institute of Radioengineering and Electronics RAS, Fryazino Branch, 141190 Fryazino, Russia |

⁵

Physics and Astronomy department, California State University Northridge, Northridge, CA 91330, USA |

Publication type: Journal Article

Publication date: 2019-12-24

MDPI

Materials

scimago Q2

wos Q2

SJR: 0.614

CiteScore: 6.4

Impact factor: 3.2

ISSN: 19961944

DOI: 10.3390/ma13010099

Copy DOI

PubMed ID: 31878166

General Materials Science

Abstract

Multilayer Co/Pt films with perpendicular magnetic anisotropy are irradiated by focused a He+ ion beam to locally reduce the anisotropy value. The irradiated spots with the diameters of 100 and 200 nm are arranged in square lattices with the periods of 200 and 300 nm. The formation of nonuniform magnetic states within the spots was observed by magnetic force microscopy methods. We use the concentric distribution of the irradiation fluence within the spot to obtain the radial modulation of the anisotropy constant. This allows us to induce magnetic skyrmions during magnetization reversal of the system. The skyrmions remained stable at zero external magnetic field at room temperature. Magnetization hysteresis loops of the samples were investigated by magnetooptical methods and the results are in good agreement with micromagnetic simulations.

Found

3 citations

Petrov Yuri

🤝

PhD in Physics and Mathematics

89 publications, 732 citations

h-index: 15

Saint Petersburg State University

3 citations

Tatarskiy Dmitry

🥼

PhD in Physics and Mathematics

54 publications, 341 citations, 7 reviews

h-index: 9

Lobachevsky State University of Nizhny Novgorod

Institute for Physics of Microstructures of the Russian Academy of Sciences

Research interests

Nanomagnetism

2 citations

Sadovnikov Alexandr

🥼 🤝

PhD in Physics and Mathematics, associate professor

125 publications, 3 260 citations, 102 reviews

h-index: 28

Saratov State University

Far Eastern Federal University

Research interests

Spin waves

1 citation

Vyvenko Oleg

🥼

DSc in Physics and Mathematics, professor

131 publications, 1 670 citations, 7 reviews

h-index: 18

Saint Petersburg State University

Research interests

SEM

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GOST |

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Sapozhnikov M. V. et al. Artificial dense lattices of magnetic skyrmions // Materials. 2019. Vol. 13. No. 1. p. 99.

GOST all authors (up to 50) Copy

Sapozhnikov M. V., Petrov Y. V., Gusev N. S., Temiryazev A. G., Ermolaeva O. L., Mironov V. L., Udalov O. G. Artificial dense lattices of magnetic skyrmions // Materials. 2019. Vol. 13. No. 1. p. 99.

RIS |

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RIS Copy

TY - JOUR

DO - 10.3390/ma13010099

UR - https://doi.org/10.3390/ma13010099

TI - Artificial dense lattices of magnetic skyrmions

T2 - Materials

AU - Sapozhnikov, Maksim V

AU - Petrov, Yuri V

AU - Gusev, Nikita S

AU - Temiryazev, Alexey G

AU - Ermolaeva, O. L.

AU - Mironov, Victor L.

AU - Udalov, Oleg G.

PY - 2019

DA - 2019/12/24

PB - MDPI

SP - 99

IS - 1

VL - 13

PMID - 31878166

SN - 1996-1944

ER -

BibTex |

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BibTex (up to 50 authors) Copy

@article{2019_Sapozhnikov,

author = {Maksim V Sapozhnikov and Yuri V Petrov and Nikita S Gusev and Alexey G Temiryazev and O. L. Ermolaeva and Victor L. Mironov and Oleg G. Udalov},

title = {Artificial dense lattices of magnetic skyrmions},

journal = {Materials},

year = {2019},

volume = {13},

publisher = {MDPI},

month = {dec},

url = {https://doi.org/10.3390/ma13010099},

number = {1},

pages = {99},

doi = {10.3390/ma13010099}

}

MLA

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MLA Copy

Sapozhnikov, Maksim V., et al. “Artificial dense lattices of magnetic skyrmions.” Materials, vol. 13, no. 1, Dec. 2019, p. 99. https://doi.org/10.3390/ma13010099.

Publisher

MDPI

Journal

Materials

scimago Q2

wos Q2

SJR

0.614

CiteScore

6.4

Impact factor

3.2

ISSN

19961944 (Print, Electronic)

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