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This book covers the theory and fabrication of plasmonic nanostructures, patterned surfaces, and devices for lossy mode resonance (LMR), surface plasmon resonance (SPR), surface-enhanced fluorescence spectroscopy (SEFS), and surface-enhanced Raman scattering (SERS)-based biosensors. The chapters in this book cover a range of topics, including the interplay between SPR and lossy mode resonance, fabrication of LSPR substrates using high-throughput techniques, recent advances in various nanostructures, recent developments in the field of nanostructured Ag substrates, and innovative advances in biosensors based on DNA nanotechnology. These chapters provide a comprehensive overview of recent developments in plasmonic biosensors, making this book essential reading for researchers working in biosensors and plasmonics.

Biosensors --- Surface plasmon resonance. --- Materials. --- Plasmon resonance, Surface --- Resonance, Surface plasmon --- Sensing, Surface plasmon resonance --- SPR (Surface plasmon resonance) --- Surface plasmon resonance sensing --- Optical detectors --- Plasmons (Physics) --- Biodetectors --- Biological detectors --- Biological sensors --- Biomedical detectors --- Biomedical sensors --- Detectors --- Medical instruments and apparatus --- Physiological apparatus

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Surface-enhanced Raman scattering (SERS) is a research technique that was discovered in the mid-1970s. SERS is a powerful and fast tool for analysis, which has a high detection sensitivity for a great number of chemical and biological molecules. However, it is in this last decade that a very significant explosion of the fabrication of highly sensitive SERS substrates has occurred using novel designs of plasmonic nanostructures and novel fabrication techniques of the latter, as well as new plasmonic materials and hybrid nanomaterials. Thus, this Special Issue is dedicated to reporting on the latest advances in novel plasmonic nanomaterials that are applied to the SERS domain. These developments are illustrated through several articles and reviews written by researchers in this field from around the world.

pulsed laser ablation --- acetonitrile (CH3CN) --- Cu/gCN hybrids --- localized surface plasmon resonance (LSPR) --- surface enhanced Raman scattering (SERS) --- surface enhanced resonance Raman scattering (SERRS) --- silver aggregates --- laser-induced synthesis --- surface-enhanced Raman scattering --- hot spots --- SERS --- sensors --- plasmonics --- gold --- silicon --- surface-enhanced Raman scattering (SERS) --- surface plasmon polariton (SPP) --- surface plasmon resonance (SPR) --- nanograting --- nanofabrication --- electron beam lithography --- zinc oxide --- metal oxides --- self-assembly --- bimetallic nanoparticles --- localized surface plasmon --- surface enhanced Raman scattering --- grating effect --- gold nanodisks --- Rayleigh anomaly --- n/a

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Plasmonics and metamaterials are growing fields that consistently produce new technologies for controlling electromagnetic waves. Many important advances in both fundamental knowledge and practical applications have been achieved in conjunction with a wide range of materials, structures and wavelengths, from the ultraviolet to the microwave regions of the spectrum. In addition to this remarkable progress across many different fields, much of this research shares many of the same underlying principles, and therefore, significant synergy is expected. This Special Issue introduces the recent advances in plasmonics and metamaterials and discusses various applications, while addressing a wide range of topics, in order to explore the new horizons emerging for such research.

plasmonics --- metamaterials --- metal-insulator-metal --- absorbers --- plasmon-induced transparency --- metal-dielectric-metal --- gain material --- tunable fano resonances --- surface plasmon polaritons --- coupled cavities --- finite element method --- spectroscopes --- metamaterial --- structural color filters --- photodiodes --- vortex beam --- polarization conversion --- orbital angular momentum --- tensegrity lattice --- extreme material --- metagratings --- polarization controller --- multifunction --- wide-angle --- dual mode --- cross-polarization converter --- transmitarray --- high polarization conversion ratio --- uncooled --- IR sensors --- wavelength-selective --- metasurfaces --- polarization control --- infrared sensors

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This Special Issue on “Soft Photonic Crystals and Metamaterials” from Materials consists of 10 papers that highlight recent advances in a broad scope of optical-wavelength and sub-wavelength structures made of soft materials and particles. Soft matter shows plenty of unique and improved optical properties for deep scientific understanding, thereby promoting fabrication, characterization and device performance for potential photonic applications that include, but are not limited to, photovoltaic cells, photodetectors, light-emitting diodes, tunable microlasers, optical filters for biosensors, smart windows, virtual/augmented reality head-mounted elements, and high-speed spatial light modulators in glasses-free 3D displays.

Materials science --- localization of light --- photonic crystals --- chirality --- dye-doped cholesteric liquid crystal --- optical Tamm states --- resonant frequency dispersion --- smart window --- cholesteric liquid crystal --- photochromic dichroic dye --- Tamm plasmon --- Bragg mirror --- rugate filter --- band gap --- light reflection and transmission --- metasurfaces --- tamm plasmon polaritons --- uniform lying helix --- polymer network --- frequency modulation --- electro-optic response --- mesogenic dimer --- flexoelectric effect --- dielectric effect --- nematic liquid crystal --- 2D periodic structures --- hexagonal diffraction patterns --- photoalignment --- out-of-plane reorientation --- flat optical elements --- optical Freedericksz transition --- dye-doped liquid crystal --- molecular reorientation --- colloidal crystals --- magnetite --- microparticles --- Bragg reflection --- magnetic response --- silica particles --- opals --- polydispersity index --- disLocate --- Voronoi tessellations --- bond order parameters --- metasurface --- metagratings --- n/a

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Silicon has been proven to be remarkably resilient as a commercial electronic material. The microelectronics industry has harnessed nanotechnology to continually push the performance limits of silicon devices and integrated circuits. Rather than shrinking its market share, silicon is displacing “competitor” semiconductors in domains such as high-frequency electronics and integrated photonics. There are strong business drivers underlying these trends; however, an important contribution is also being made by research groups worldwide, who are developing new configurations, designs, and applications of silicon-based nanoscale and nanostructured materials. This Special Issue features a selection of papers which illustrate recent advances in the preparation of chemically or physically engineered silicon-based nanostructures and their application in electronic, photonic, and mechanical systems.

ohmic contact --- graphene oxide --- optical gain media --- nano silica sol --- in-situ growth --- silicon quantum dots --- gold nanoparticles --- nanofabrication --- thermal reduction --- long-term mechanical tests --- self-aligned nanowires --- silicon carbide --- micro-mechanism --- telecom wavelengths --- nanoparticles --- single-crystal Si nanomembrane (Si NMs) --- nanowires --- localized surface plasmon resonances --- C/C composites --- thin film transistor --- strain engineering --- nanomembranes --- light emitting devices --- quantum photonics --- ultrathin nanowires --- electroluminescence enhancement --- mechanical properties --- group-IV semiconductors --- self-assembly --- silicon --- SiC nanowires --- fluctuating temperature-humidity conditions --- TiO2 insertion layer