Broadband Infrared Absorption Features of Metasurfaces Constructed with a Titanium–Dielectric–Titanium Array Architecture.
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| Title: | Broadband Infrared Absorption Features of Metasurfaces Constructed with a Titanium–Dielectric–Titanium Array Architecture. |
|---|---|
| Authors: | Zhang, Chuang1,2 (AUTHOR), Hu, Jiaqi2,3 (AUTHOR), Chen, Han1,2,3 (AUTHOR), Shao, Xuan1,2,4 (AUTHOR), Yao, Xinzhe1,2 (AUTHOR), You, Fangchen1,2 (AUTHOR), Wang, Haiwei3,4 (AUTHOR), Zhang, Xinyu1,2,4 (AUTHOR) x_yzhang@hust.edu.cn |
| Source: | Nanomaterials (2079-4991). Apr2026, Vol. 16 Issue 8, p497. 19p. |
| Subjects: | Infrared absorption, Metal-insulator-metal structures, Dipole antennas, Plasmonics |
| Abstract: | This study proposes an effective method for realizing broadband-infrared (IR)-equivalent absorption using a metasurface constructed by shaping a metal–insulator–metal structure leading to a semi-opened nanocavity. The metasurface architecture is formed according to an optimized structural configuration and mature micro–nano-fabrication flow. Both the surface travelling and localized resonant wavefield accumulation excited by incident lightwaves in a broad wavelength range of 1–14 μm can be efficiently manipulated based on a dipole molecule antenna responding mechanism. An electromagnetic wavefield shielding effect within the semi-opened nanocavity and the standing-wave formation around the metasurface near-field based on an arrayed titanium–dielectric–titanium structure are examined in detail. The measured IR spectral absorption characteristics reveal that the metasurfaces based on an arrayed top titanium cap with the featured dimensions of 2.0 μm and 2.4 μm can be used to achieve an average equivalent IR absorptivity higher than 80% and 82%, respectively, across a broad wavelength range of 1.29–14 μm, which covers the traditional short-, medium- and long-wave IR bands. [ABSTRACT FROM AUTHOR] |
| Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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| Header | DbId: egs DbLabel: Engineering Source An: 193463075 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Broadband Infrared Absorption Features of Metasurfaces Constructed with a Titanium–Dielectric–Titanium Array Architecture. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Chuang%22">Zhang, Chuang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hu%2C+Jiaqi%22">Hu, Jiaqi</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Han%22">Chen, Han</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shao%2C+Xuan%22">Shao, Xuan</searchLink><relatesTo>1,2,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yao%2C+Xinzhe%22">Yao, Xinzhe</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22You%2C+Fangchen%22">You, Fangchen</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Haiwei%22">Wang, Haiwei</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Xinyu%22">Zhang, Xinyu</searchLink><relatesTo>1,2,4</relatesTo> (AUTHOR)<i> x_yzhang@hust.edu.cn</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. Apr2026, Vol. 16 Issue 8, p497. 19p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Infrared+absorption%22">Infrared absorption</searchLink><br /><searchLink fieldCode="DE" term="%22Metal-insulator-metal+structures%22">Metal-insulator-metal structures</searchLink><br /><searchLink fieldCode="DE" term="%22Dipole+antennas%22">Dipole antennas</searchLink><br /><searchLink fieldCode="DE" term="%22Plasmonics%22">Plasmonics</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: This study proposes an effective method for realizing broadband-infrared (IR)-equivalent absorption using a metasurface constructed by shaping a metal–insulator–metal structure leading to a semi-opened nanocavity. The metasurface architecture is formed according to an optimized structural configuration and mature micro–nano-fabrication flow. Both the surface travelling and localized resonant wavefield accumulation excited by incident lightwaves in a broad wavelength range of 1–14 μm can be efficiently manipulated based on a dipole molecule antenna responding mechanism. An electromagnetic wavefield shielding effect within the semi-opened nanocavity and the standing-wave formation around the metasurface near-field based on an arrayed titanium–dielectric–titanium structure are examined in detail. The measured IR spectral absorption characteristics reveal that the metasurfaces based on an arrayed top titanium cap with the featured dimensions of 2.0 μm and 2.4 μm can be used to achieve an average equivalent IR absorptivity higher than 80% and 82%, respectively, across a broad wavelength range of 1.29–14 μm, which covers the traditional short-, medium- and long-wave IR bands. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.3390/nano16080497 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 19 StartPage: 497 Subjects: – SubjectFull: Infrared absorption Type: general – SubjectFull: Metal-insulator-metal structures Type: general – SubjectFull: Dipole antennas Type: general – SubjectFull: Plasmonics Type: general Titles: – TitleFull: Broadband Infrared Absorption Features of Metasurfaces Constructed with a Titanium–Dielectric–Titanium Array Architecture. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Zhang, Chuang – PersonEntity: Name: NameFull: Hu, Jiaqi – PersonEntity: Name: NameFull: Chen, Han – PersonEntity: Name: NameFull: Shao, Xuan – PersonEntity: Name: NameFull: Yao, Xinzhe – PersonEntity: Name: NameFull: You, Fangchen – PersonEntity: Name: NameFull: Wang, Haiwei – PersonEntity: Name: NameFull: Zhang, Xinyu IsPartOfRelationships: – BibEntity: Dates: – D: 15 M: 04 Text: Apr2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 20794991 Numbering: – Type: volume Value: 16 – Type: issue Value: 8 Titles: – TitleFull: Nanomaterials (2079-4991) Type: main |
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