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Related papers: Multifunctional Charge Transfer Plasmon Sensors

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Tunable plasmonic resonances across the visible and near infrared spectra have provided novel ways to develop next-generation nanophotonic devices. In this study, by using optothermally controllable phase-changing material (PCM), we…

Optics · Physics 2017-12-05 Burak Gerislioglu , Arash Ahmadivand , Nezih Pala

Dynamical Phase transitions (DPTs) describe the abrupt change in the dynamical properties of open systems when a single control parameter is slightly modified. Recently we found that this phenomenon is also present in a simple model of a…

Mesoscale and Nanoscale Physics · Physics 2012-10-03 Raúl A. Bustos-Marún , Eduardo A. Coronado , Horacio M. Pastawski

Understanding the spectral and temporal dynamics of charge transfer plasmon resonances that emerge in conductively connected plasmonic nanoparticles is crucial for exploiting their potentials for enhanced infrared spectroscopy and optical…

Optics · Physics 2024-12-25 Alemayehu Nana Koya , Longnan Li , Wei Li

Compared to single nanoparticles, strongly coupled plasmonic nanoparticles provide attractive advantages owing to their ability to exhibit multiple resonances with unique spectral features and higher local field intensity. These enhanced…

We study the plasmonic properties of coupled noble-metal nanochains in the case of different number of coupled chains and doping by different transition-metal (TM) atoms within the time-dependent density-functional theory (TDDFT) approach.…

Mesoscale and Nanoscale Physics · Physics 2014-09-12 Neha Nayyar , Volodymyr Turkowski , Talat S. Rahman

The strong coupling of plasmonic resonance modes in conductive pyramidal nanoparticles leads to an increase in the density of free charges on the surface. By ensuring plasmonic coupling in the pyramidal nanoparticle lattice, the achieved…

Using interplay between surface plasmons and metamaterials, we propose a new technique for novel metamaterial designs. We show that surface plasmons existing on thin metal surfaces can be used to "drive" non-resonant structures in their…

Optics · Physics 2011-04-12 Durdu O. Guney , Thomas Koschny , Costas M. Soukoulis

Here, we study the possibility of selective high-harmonic generation (HHG) based on the concept of charge transfer plasmons (CTP) in bridged nanoparticle assemblies. By choosing plasmonic dimer nanoantenna, as a fundamental member of…

Optics · Physics 2018-01-16 Burak Gerislioglu , Arash Ahmadivand , Nezih Pala

We consider the carrier transport and plasmonic phenomena in the lateral carbon nanotube (CNT) networks forming the device channel with asymmetric electrodes. One electrode is the Ohmic contact to the CNT network and the another contact is…

Mesoscale and Nanoscale Physics · Physics 2016-08-03 V. Ryzhii , T. Otsuji , M. Ryzhii , V. G. Leiman , G. Fedorov , G. N. Goltzman , I. A. Gayduchenko , N. Titova , D. Coquillat , D. But , W. Knap , V. Mitin , M. S. Shur

This study examines the Raman scattering and charge transfer properties of molecules adsorbed on the surface of a tetrahedral Au$_{120}$ nanoparticle based on the time-dependent density functional tight-binding (TD-DFTB) method. We study…

Chemical Physics · Physics 2024-09-18 Sajal Kumar Giri , George C. Schatz

Nanoplasmonics exploits the coupling between light and collective electron density oscillations (plasmons) to bypass the stringent limits imposed by diffraction. This coupling enables confinement of light to sub-wavelength volumes and is…

We present an electrically tunable terahertz two dimensional plasmonic interferometer with an integrated detection element that down converts the terahertz fields to a DC signal. The integrated detector utilizes a resonant plasmonic…

Mesoscale and Nanoscale Physics · Physics 2016-05-11 Gregory C. Dyer , Gregory R. Aizin , S. James Allen , Albert D. Grine , Don Bethke , John L. Reno , Eric A. Shaner

This paper presents a comprehensive study on a novel multilayer surface plasmon resonance (SPR) biosensor designed for detecting trace-level toxins in liquid samples with exceptional precision and efficiency. Leveraging the Kretschmann…

Systems and Control · Electrical Eng. & Systems 2025-01-31 Suripto Bhuiyan , Michael Geller

We review the recent progress in the density functional theory for superconductors (SCDFT). Motivated by the long-studied plasmon mechanism of superconductivity, we have constructed an exchange-correlation kernel entering the SCDFT gap…

Superconductivity · Physics 2015-06-18 Ryosuke Akashi , Ryotaro Arita

Plasmonic nanostructures enable efficient light-to-energy conversion by concentrating optical energy into nanoscale volumes. A key mechanism in this process is chemical interface damping (CID), where surface plasmons are damped by adsorbed…

Metal-coated microsphere monolayers (MCM) are a class of plasmonic crystals consisting of noble metal films over arrays of self-assembled colloidal microspheres. Despite their ease of fabrication and tunable plasmonic response, their…

Optics · Physics 2026-03-30 Cosmin Farcău

Plasmon excitations in metallic nanostructures can decay directly into dynamic electron-hole pairs (EHPs), exploitable for photocurrent generation. This approach has extensively been employed to develop nanoplasmonic light-sensing devices…

Optics · Physics 2019-08-15 Burak Gerislioglu , Arash Ahmadivand

We study the dynamical polarization function and plasmon modes for spin-orbit coupled noncentrosymmetric metals (NCMs). These systems have different Fermi surface topology for Fermi energies above and below the spin degenerate point which…

Mesoscale and Nanoscale Physics · Physics 2020-12-07 Sonu Verma , Arijit Kundu , Tarun Kanti Ghosh

Surface Plasmon Resonance sensors are a well-established class of sensors which includes a very large variety of materials and detection schemes. However, the development of portable devices is still challenging as due to the intrinsic…

By using the real-space method, switching of a single plasmon interacting with a hybrid nanosystem composed of a semiconductor quantum dot (SQD) and a metallic nanoparticle (MNP) coupled to one-dimensional surface plasmonic waveguide is…

Mesoscale and Nanoscale Physics · Physics 2016-01-13 Myong-Chol Ko , Nam-Chol Kim , Zhong-Hua Hao , Li Zhou , Jian-Bo Li , Qu-Quan Wang
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