石墨烯- weyl半金属等离子体结构中双波段非互易辐射的动态调制

IF 3.5 2区物理与天体物理 Q2 PHYSICS, APPLIED

Applied Physics Letters Pub Date : 2025-05-15 DOI:10.1063/5.0270822

Ye Ming Qing, Jiao Liu, Zhaoyan Yang, Yue Gou, Liang Wei Wu, Jun Wu

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引用次数: 0

摘要

我们介绍并开发了一种结合石墨烯和Weyl半金属的混合结构，能够实现动态可调的双波段非互反辐射。结果表明，非互易辐射可归因于共振模式激发与Weyl材料独特性质之间的协同相互作用，电场分布为石墨烯等离子体模式提供了进一步的见解。通过利用石墨烯等离子体的共振特性，我们证明了通过调整光栅的几何参数可以有效地调节强非互易辐射，同时在大范围内保持稳健性。值得注意的是，通过调制石墨烯的费米能级，可以实现非互易辐射共振波长的大量动态调谐。我们的研究结果为开发先进热框架内的复杂能量收集和转换系统提供了广阔的前景。

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Dynamic modulation of dual-band nonreciprocal radiation in a graphene–Weyl semimetal plasmonic structure

We introduce and develop a hybrid structure combining graphene and Weyl semimetal that is capable of achieving dynamically adjustable dual-band nonreciprocal radiation. The results reveal that the nonreciprocal radiation can be attributed to the synergistic interaction between resonance mode excitation and the unique properties of Weyl materials, with the electric field distribution providing further insights into the graphene plasmon modes involved. By exploiting the resonant characteristics of graphene plasmons, we demonstrate that strong nonreciprocal radiation can be effectively regulated through adjusting the grating's geometric parameters, while maintaining robustness over a wide range. Notably, substantial dynamic tuning of the resonant wavelength for nonreciprocal radiation is achievable by modulating the Fermi level of graphene. Our research results offer promising prospects for the development of complex energy harvesting and conversion systems within advanced thermal frameworks.

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来源期刊

Applied Physics Letters 物理-物理：应用

CiteScore

6.40

自引率

10.00%

发文量

1821

审稿时长

1.6 months

期刊介绍： Applied Physics Letters (APL) features concise, up-to-date reports on significant new findings in applied physics. Emphasizing rapid dissemination of key data and new physical insights, APL offers prompt publication of new experimental and theoretical papers reporting applications of physics phenomena to all branches of science, engineering, and modern technology. In addition to regular articles, the journal also publishes invited Fast Track, Perspectives, and in-depth Editorials which report on cutting-edge areas in applied physics. APL Perspectives are forward-looking invited letters which highlight recent developments or discoveries. Emphasis is placed on very recent developments, potentially disruptive technologies, open questions and possible solutions. They also include a mini-roadmap detailing where the community should direct efforts in order for the phenomena to be viable for application and the challenges associated with meeting that performance threshold. Perspectives are characterized by personal viewpoints and opinions of recognized experts in the field. Fast Track articles are invited original research articles that report results that are particularly novel and important or provide a significant advancement in an emerging field. Because of the urgency and scientific importance of the work, the peer review process is accelerated. If, during the review process, it becomes apparent that the paper does not meet the Fast Track criterion, it is returned to a normal track.