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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Journal of Communications Technology and Electronics</journal-id><journal-title-group><journal-title xml:lang="en">Journal of Communications Technology and Electronics</journal-title><trans-title-group xml:lang="ru"><trans-title>Радиотехника и электроника</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0033-8494</issn><issn publication-format="electronic">3034-5901</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">691160</article-id><article-id pub-id-type="doi">10.31857/S0033849425050042</article-id><article-id pub-id-type="edn">qjvkxr</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ON THE 70th ANNIVERSARY OF S.A. NIKITOV</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>К 70-ЛЕТИЮ С.А. НИКИТОВА</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Formation of non-transmittance bands in thin-film looping YIG microwave channel</article-title><trans-title-group xml:lang="ru"><trans-title>Формирование полос непропускания в тонкопленочном петляющем микроволноводе из железо-иттриевого граната</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zyuzin</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Зюзин</surname><given-names>В. А.</given-names></name></name-alternatives><email>Zyuzinva@bk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ognev</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Огнев</surname><given-names>А. В.</given-names></name></name-alternatives><email>Zyuzinva@bk.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sadovnikov</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Садовников</surname><given-names>А. В.</given-names></name></name-alternatives><email>Zyuzinva@bk.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Saratov National Research State University named after N.G. Chernyshevsky</institution></aff><aff><institution xml:lang="ru">Саратовский национальный исследовательский государственный университет им. Н.Г. Чернышевского</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Sakhalin State University</institution></aff><aff><institution xml:lang="ru">Сахалинский государственный университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-05-15" publication-format="electronic"><day>15</day><month>05</month><year>2025</year></pub-date><volume>70</volume><issue>5</issue><issue-title xml:lang="en">VOL 70, NO5 (2025)</issue-title><issue-title xml:lang="ru">ТОМ 70, №5 (2025)</issue-title><fpage>456</fpage><lpage>463</lpage><history><date date-type="received" iso-8601-date="2025-09-22"><day>22</day><month>09</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0033-8494/article/view/691160">https://journals.eco-vector.com/0033-8494/article/view/691160</self-uri><abstract xml:lang="en"><p>The present study is dedicated to the examination of the effects that occur in the propagation of spin waves (SW) in a thin film looping microwave formed from yttrium iron garnet (YIG). Utilizing the numerical solution of the Landau-Lifshitz-Gilbert (LLG) equation of magnetization motion, the spectra of SWs excited and propagating along a waveguide structure formed by periodically recurrent articulations of sections of the YIG microwave at different angles are investigated. It is demonstrated that the «zigzag» structure has the capacity to form zones of non-transmittance in the spectrum. Conclusions are drawn from the analysis of amplitude-frequency characteristics, which indicate the potential for controlling the number and depth of opacity zones by varying the number and angles of inclination of the waveguide sections. The findings of this study contribute to the advancement of knowledge in the domain of physical effects associated with opacity band formation in irregular magnetic structures, paving the way for the development of microwave signal filters that are controlled by magnetic fields.</p></abstract><trans-abstract xml:lang="ru"><p>Исследованы эффекты, возникающие при распространении спиновых волн (СВ) в тонкопленочном петляющем микроволноводе, образованном из железо-иттриевого граната (ЖИГ). С помощью численного решения уравнения движения намагниченности Ландау–Лифшица–Гильберта проведено исследование спектров СВ, возбуждаемых и распространяющихся вдоль волноведущей структуры, образованной периодически повторяющимися сочленениями участков ЖИГ микроволновода под различными углами. Продемонстрировано, что в «зигзагообразной» структуре могут формироваться зоны непропускания в спектре. Из анализа амплитудно-частотных характеристик сделаны выводы о возможности управления количеством и глубиной зон непропускания с помощью вариации количества и углов наклона волноведущих секций. Полученные результаты могут быть использованы для расширения представлений о физических эффектах формирования полос непропускания в нерегулярных магнитных структурах и создания управляемых магнитным полем фильтров СВЧ сигнала.</p></trans-abstract><kwd-group xml:lang="en"><kwd>spin waves</kwd><kwd>magnonics</kwd><kwd>looping microwave</kwd><kwd>multi-terminal microwave devices</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>спиновые волны</kwd><kwd>магноника</kwd><kwd>петляющий микроволновод</kwd><kwd>многотерминальные СВЧ-устройства</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Gubbiotti G., Barman A., Ladak S. et al. // J. Phys.: Cond. Matt. 2024. V. 37. № 14. 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