{"paper_id":"2ce1e060-933d-4b4c-bd71-3d4a7392ce84","body_text":"Graphene-based High-frequency Millimeter-wave Tunable Broadband Absorber | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Graphene-based High-frequency Millimeter-wave Tunable Broadband Absorber yilin Jia, Wang Dian, Miao Shilong, JI Xinran, Ma Binyi, Wu Qiannan This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4654751/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 02 Oct, 2024 Read the published version in Plasmonics → Version 1 posted 11 You are reading this latest preprint version Abstract To address the issues of narrow absorption bandwidth and low absorption rate in current high-frequency millimeter-wave absorbers, this paper proposes a graphene-based metamaterial broadband absorber. The absorber consists of a PET layer at the bottom, an ITO layer, a SiO 2 layer, a surface graphene layer, and a patterned copper structure. Simulation results indicate that the proposed absorber achieves an absorption bandwidth of 101.3 GHz, with an absorption frequency range of 117.5 to 218.8 GHz, where the absorption rate exceeds 90%. Near-perfect absorption is achieved at 170 GHz, covering the high-frequency millimeter-wave band. By adjusting the Fermi level of graphene, tunable absorption can be achieved, and the absorber is insensitive to both TE and TM polarization. The proposed absorber features good symmetry, compact size, tunability, and excellent insensitivity to TE and TM waves. This design holds promise for enhancing communication security and reducing electromagnetic interference in sixth-generation (6G) devices. High-frequency millimeter-wave metamaterial perfect absorption graphene Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 02 Oct, 2024 Read the published version in Plasmonics → Version 1 posted Editorial decision: Revision requested 08 Aug, 2024 Reviews received at journal 05 Aug, 2024 Reviewers agreed at journal 01 Aug, 2024 Reviewers agreed at journal 26 Jul, 2024 Reviews received at journal 19 Jul, 2024 Reviewers agreed at journal 11 Jul, 2024 Reviewers agreed at journal 07 Jul, 2024 Reviewers invited by journal 05 Jul, 2024 Editor assigned by journal 02 Jul, 2024 Submission checks completed at journal 02 Jul, 2024 First submitted to journal 28 Jun, 2024 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. 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