Articles with "near zero" as a keyword



Photo by brummi from unsplash

Enhanced Light Absorption in All‐Polymer Biomimetic Photonic Structures by Near‐Zero‐Index Organic Matter

Sign Up to like & get
recommendations!
Published in 2022 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202113039

Abstract: Natural photosynthetic photonic nanostructures can show sophisticated light matter-interactions including enhanced light absorption by slow light even for highly pigmented systems. Beyond fundamental biology aspects these natural nanostructures are very attractive as blueprints for advanced… read more here.

Keywords: matter; index; near zero; photonic structures ... See more keywords
Photo by homajob from unsplash

A Solution-Processed Ultrafast Optical Switch Based on a Nanostructured Epsilon-Near-Zero Medium.

Sign Up to like & get
recommendations!
Published in 2017 at "Advanced materials"

DOI: 10.1002/adma.201700754

Abstract: All the optical properties of materials are derived from dielectric function. In spectral region where the dielectric permittivity approaches zero, known as epsilon-near-zero (ENZ) region, the propagating light within the material attains a very high… read more here.

Keywords: solution processed; solution; ultrafast optical; epsilon near ... See more keywords
Photo from wikipedia

Enhanced Solar-to-Hydrogen Generation with Broadband Epsilon-Near-Zero Nanostructured Photocatalysts.

Sign Up to like & get
recommendations!
Published in 2017 at "Advanced materials"

DOI: 10.1002/adma.201701165

Abstract: The direct conversion of solar energy into fuels or feedstock is an attractive approach to address increasing demand of renewable energy sources. Photocatalytic systems relying on the direct photoexcitation of metals have been explored to… read more here.

Keywords: hydrogen; generation; broadband; epsilon near ... See more keywords
Photo from wikipedia

Nonlocality-enabled pulse management in epsilon-near-zero metamaterials.

Sign Up to like & get
recommendations!
Published in 2022 at "Advanced materials"

DOI: 10.1002/adma.202107023

Abstract: xxxx. This article is protected by copyright. All rights reserved. read more here.

Keywords: pulse management; epsilon near; near zero; enabled pulse ... See more keywords
Photo from wikipedia

Near Zero‐Threshold Voltage P‐N Junction Diodes Based on Super‐Semiconducting Nanostructured Ag/Al Arrays

Sign Up to like & get
recommendations!
Published in 2023 at "Advanced Materials"

DOI: 10.1002/adma.202210612

Abstract: Semiconductor devices are currently one of the most common energy consumption devices. Significantly reducing the energy consumption of semiconductor devices with advanced energy‐efficient technologies is highly desirable. The discovery of super‐semiconductors (SSCs) based on metallic… read more here.

Keywords: zero threshold; threshold voltage; near zero; voltage ... See more keywords
Photo from wikipedia

Atomic Layer Engineering of Epsilon‐Near‐Zero Ultrathin Films with Controllable Field Enhancement

Sign Up to like & get
recommendations!
Published in 2020 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.202000844

Abstract: Enhanced and controlled light absorption as well as field confinement in an optically thin material are pivotal for energy-efficient optoelectronics and nonlinear optical devices. Highly doped transparent conducting oxide (TCO) thin films with near-zero permittivity… read more here.

Keywords: absorption; field; atomic layer; epsilon near ... See more keywords
Photo from wikipedia

Gate Tunable Coupling of Epsilon‐Near‐Zero and Plasmonic Modes

Sign Up to like & get
recommendations!
Published in 2021 at "Advanced Optical Materials"

DOI: 10.1002/adom.202100800

Abstract: In this work, an active tuning of the coupling strength in a strongly coupled system comprised of a thin epsilon‐near‐zero material and gold nanorods as plasmonic resonators is demonstrated. A novel gating scheme is developed… read more here.

Keywords: epsilon near; tunable coupling; near zero; gate tunable ... See more keywords
Photo from wikipedia

Gain enhancement of circular waveguide antennas using near‐zero index metamaterials

Sign Up to like & get
recommendations!
Published in 2019 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.31839

Abstract: In this article, a rigorous analytical methodology is introduced for designing near-zero refractive index metamaterials (NZIMs). Our proposed NZIM media is realized by three stacked layers of perforated metallic surfaces, each layer composed of a… read more here.

Keywords: enhancement circular; index; index metamaterials; gain enhancement ... See more keywords
Photo from wikipedia

Microwave dielectric properties of low-temperature-fired LiAlO2–Li2TiO3 composite ceramics with near-zero temperature coefficient

Sign Up to like & get
recommendations!
Published in 2018 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-018-9884-4

Abstract: A series of LiAlO2–Li2TiO3 ceramics with near-zero temperature coefficient of resonant frequency was obtained by using a solid-state method in this study. Li2O–B2O3–SiO2–CaO–Al2O3 (LBSCA) glass was used to lower the sintering temperature of the ceramics… read more here.

Keywords: temperature; ceramics near; lialo2 li2tio3; temperature coefficient ... See more keywords
Photo from wikipedia

Near zero-waste biofuel production from bioderived polyhydroxybutyrate

Sign Up to like & get
recommendations!
Published in 2021 at "Fuel"

DOI: 10.1016/j.fuel.2020.119405

Abstract: Abstract Fuel production from biomass offers a low-carbon strategy to address the global challenge of climate change associated with carbon emission. Novel technique with high carbon- and energy-recovery from biomass has been pursued for decades,… read more here.

Keywords: carbon; production; waste biofuel; zero waste ... See more keywords
Photo by seemurray from unsplash

A novel optical ε-near-zero material realized by multi-layered Ag/SiC film structures

Sign Up to like & get
recommendations!
Published in 2019 at "Optik"

DOI: 10.1016/j.ijleo.2019.02.059

Abstract: Abstract The design of novel epsilon-near-zero (ENZ) medium is always the one of focus in electromagnetic field. It is an important and universal method to realize ENZ material by multi-layered isotropic film structures based on… read more here.

Keywords: medium; film structures; multi layered; material ... See more keywords