najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2026-17-1-34-38najo-1684Research ArticlePHYSICSФИЗИКАSpin wave propagation in a cross-shaped microwave guides made of yttrium iron garnet film with magnetic cylindersРаспространение спиновых волн в крестообразном микроволноводе из пленки железо-иттриевого граната с магнитными цилиндрамиhttps://orcid.org/0009-0001-4999-2958ГаранинФ. Е.GaraninF. E.

Fedor E. Garanin

Saratov

garaninfedorwork@mail.ruhttps://orcid.org/0000-0002-8847-2621СадовниковА. В.SadovnikovA. V.

Alexander V. Sadovnikov

Saratov

sadovnikovav@gmail.comhttps://orcid.org/0000-0002-7464-1754ЛомоваМ. В.LomovaM. V.

Maria V. Lomova

Saratov

lomovamv85@mail.ruSaratov State UniversityRussian Federation2026040320261713438Copyright © Garanin F.E., Sadovnikov A.V., Lomova M.V., 20262026Гаранин Ф.Е., Садовников А.В., Ломова М.В.Garanin F.E., Sadovnikov A.V., Lomova M.V.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/1684

This study explores the application of spin waves for developing functional components for information processing, transmission, and storage within the microwave and terahertz frequency regimes. The platform is based on yttrium iron garnet thin films, with spin wave manipulation achieved via two-dimensional arrays of magnetite cylinders. A numerical micromagnetic analysis of a cross-shaped waveguide was conducted by solving the Landau-Lifshitz-Gilbert equation, examining the dependence of wave properties on the orientation of the external magnetic field. The findings indicate a viable pathway toward the realization of compact and energy-efficient magnonic devices.

В данном исследовании рассматривается применение спиновых волн для разработки функциональных компонентов, обеспечивающих обработку, передачу и хранение информации в микроволновом и терагерцовом диапазонах частот. Платформа основана на тонких плёнках железо-иттриевого граната, при этом управление спиновыми волнами осуществляется с помощью двумерных массивов магнитных цилиндров из магнетита. Проведён численный микромагнитный анализ крестовидного волновода путём решения уравнения Ландау–Лифшица–Гильберта, в ходе которого изучалась зависимость характеристик волн от ориентации внешнего магнитного поля. Полученные результаты указывают на перспективность данного подхода для создания компактных и энергоэффективных магнонных устройств.

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