支撑半导体纳米线超材料上的高热调谐传播表面等离子体

IF 3.3 4区物理与天体物理 Q2 CHEMISTRY, PHYSICAL

Plasmonics Pub Date : 2024-07-11 DOI:10.1007/s11468-024-02417-y

Tatjana Gric, Edik Rafailov

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引用次数: 0

摘要

众所周知，金属纳米粒子和金属表面的表面质子或金属表面自由电子集体振荡的量子很容易调谐，但人们对半导体纳米线却知之甚少。在这里，我们发现半导体纳米线上的表面等离子体具有非常显著的可调谐性，可以通过改变温度来控制，因此也可以通过改变半导体特性来控制。这种高灵敏度可用于创建片上超灵敏生物传感，对于直接控制光信号色散以完成等离子电路中的不同路由和解复用任务至关重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Highly Thermal Tunable Propagating Surface Plasmons on Supported Semiconductor Nanowire Metamaterial

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Highly Thermal Tunable Propagating Surface Plasmons on Supported Semiconductor Nanowire Metamaterial

It is generally known for metal nanoparticles and metal surfaces that surface plasmons, or the quanta of the collective oscillations of free electrons at a metal surface, are readily tunable, but less is known about semiconductor nanowires. Here, we find that surface plasmons on semiconductor nanowires have a very significant tunability that can be controlled by varying the temperature and, therefore, the semiconductor characteristics. Such high sensitivity could lead to the creation of on-chip ultrasensitive biosensing and is essential for directly controlling the optical signal dispersion for different routing and demultiplexing tasks in plasmonic circuits.

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来源期刊

Plasmonics 工程技术-材料科学：综合

CiteScore

5.90

自引率

6.70%

发文量

164

审稿时长

2.1 months

期刊介绍： Plasmonics is an international forum for the publication of peer-reviewed leading-edge original articles that both advance and report our knowledge base and practice of the interactions of free-metal electrons, Plasmons. Topics covered include notable advances in the theory, Physics, and applications of surface plasmons in metals, to the rapidly emerging areas of nanotechnology, biophotonics, sensing, biochemistry and medicine. Topics, including the theory, synthesis and optical properties of noble metal nanostructures, patterned surfaces or materials, continuous or grated surfaces, devices, or wires for their multifarious applications are particularly welcome. Typical applications might include but are not limited to, surface enhanced spectroscopic properties, such as Raman scattering or fluorescence, as well developments in techniques such as surface plasmon resonance and near-field scanning optical microscopy.