najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2024-15-5-597-620najo-108Research ArticlePHYSICSФИЗИКАSkyrmionium – semicircular magnetic defect interaction on a racetrackВзаимодействие скирмионий –полукруглый магнитный дефект на дорожкеhttps://orcid.org/0009-0000-8508-0406Наварро-ВилкаС.Navarro-VilcaS.

Sebastian Rodrigo Navarro Vilca – Departamento de F´ısica Aplicada

Avenida Miraflores, S/N, Ciudad Universitaria, Tacna 23003

https://orcid.org/0000-0002-0730-9081Урсия-РомероС.Urcia-RomeroS.

Silvana Rocio Urcia Romero – Department of Physics

Puerto Rico 00681

silvana.urcia@upr.eduhttps://orcid.org/0000-0003-4335-8777Виго-КотринаХ.Vigo-CotrinaH.

Helmunt Eduardo Vigo Cotrina – Grupo de Investigacion en Ciencias Aplicadas y Nuevas Tecnologıas

Trujillo

helmunt.vigo@upn.edu.peUniversidad Nacional Jorge Basadre GrohmannPeruUniversity of Puerto Rico, Mayaguez CampusUnited StatesUniversidad Privada del NortePeru202403062025155597620Copyright © Navarro-Vilca S., Urcia-Romero S., Vigo-Cotrina H., 20252025Наварро-Вилка С., Урсия-Ромеро С., Виго-Котрина Х.Navarro-Vilca S., Urcia-Romero S., Vigo-Cotrina H.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/108

Different types of skyrmionics magnetic configurations can be created and manipulated on different types of nanostructures. In this research, we use micromagnetic simulations to study the dynamics of a skyrmionium on a racetrack in the presence of a semicircular magnetic defect. We considered a defect with physical parameters different from those of the racetrack itself. Our results show that, depending on the size of the defect, the width of the racetrack, and the intensity of the spin current density, it is possible to manipulate the trajectory of a skyrmionium. Also, we obtain the interaction energies between the skyrmionium and the magnetic defect and derive phase diagrams showing the different dynamic states that can be obtained during the movement of the skyrmionium.

Различные типы магнитных конфигураций скирмионов могут быть созданы и обработаны на различных типах наноструктур. В этом исследовании мы используем микромагнитное моделирование для изучения динамики скирмиония на дорожке в присутствии полукруглого магнитного дефекта. Мы рассмотрели дефект с физическими параметрами, отличными от параметров самой дорожки. Наши результаты показывают, что в зависимости от размера дефекта, ширины дорожки и интенсивности плотности спинового тока можно манипулировать траекторией скирмиония. Кроме того, мы получаем энергии взаимодействия между скирмионием и магнитным дефектом и выводим фазовые диаграммы, показывающие различные динамические состояния, которые могут быть получены во время движения скирмиония.

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The authors declare that there are no conflicts of interest present.