ダウンロード数: 33
このアイテムのファイル:
ファイル | 記述 | サイズ | フォーマット | |
---|---|---|---|---|
nanoph-2021-0327.pdf | 4.14 MB | Adobe PDF | 見る/開く |
タイトル: | Tunable Faraday rotation of ferromagnet thin film in whole visible region coupled with aluminum plasmonic arrays |
著者: | Zhang, Feifei Atsumi, Taisuke Xu, Xiaolun Murai, Shunsuke https://orcid.org/0000-0002-4597-973X (unconfirmed) Tanaka, Katsuhisa https://orcid.org/0000-0002-1409-2802 (unconfirmed) |
著者名の別形: | 厚味, 泰輔 村井, 俊介 田中, 勝久 |
キーワード: | aluminum plasmonic blue Faraday rotation (FR) magnetoplasmonics |
発行日: | Jan-2022 |
出版者: | Walter de Gruyter GmbH |
誌名: | Nanophotonics |
巻: | 11 |
号: | 2 |
開始ページ: | 275 |
終了ページ: | 288 |
抄録: | To date, the plasmonic nanostructure utilized for magneto-optical (MO) enhancement has been limited to noble metals with resulted enhancement in the green-red part of visible spectrum. In this study, we fabricated a diffractive hexagonal array composed of Al nanoparticles (NPs) with a thin 7.5 nm ferromagnetic film and pushed the enhanced Faraday rotation (FR) into the blue to green range of the visible light. The freedom and ability to control the working spectral region in the whole visible range from 400 to 800 nm were also demonstrated by changing the lattice constant and the dielectric environment of plasmonic nanostructures. Particularly, in the blue range we obtained the maximum FR 0.57° at 410 nm with a broad boosting region around 0.5° from 400 to 500 nm. Moreover, the largest FR 1.66° was shown at 638 nm by tuning the dielectric environment into a higher refractive index medium. The results of our investigation demonstrate the potential of Al-based magnetoplasmonic effect and offer opportunities to push the MO spectral response out of visible range into the ultraviolet-blue range. |
著作権等: | © 2021 Feifei Zhang et al., published by De Gruyter. This work is licensed under the Creative Commons Attribution 4.0 International License. |
URI: | http://hdl.handle.net/2433/277478 |
DOI(出版社版): | 10.1515/nanoph-2021-0327 |
出現コレクション: | 学術雑誌掲載論文等 |
このアイテムは次のライセンスが設定されています: クリエイティブ・コモンズ・ライセンス