Results 21 to 30 of about 1,658,555 (265)

Electrospun ZnO/Pd Nanofibers: CO Sensing and Humidity Effect

open access: yesSensors, 2020
Variable air humidity affects the characteristics of semiconductor metal oxides, which complicates the reliable and reproducible determination of CO content in ambient air by resistive gas sensors.
Vadim Platonov   +3 more
doaj   +1 more source

Tunable Broadband Solar Energy Absorber Based on Monolayer Transition Metal Dichalcogenides Materials Using Au Nanocubes

open access: yesNanomaterials, 2020
In order to significantly enhance the absorption capability of solar energy absorbers in the visible wavelength region, a novel monolayer molybdenum disulfide (MoS2)-based nanostructure was proposed.
Jiakun Li   +9 more
doaj   +1 more source

Design of Surface Plasmon Resonance-Based D-Type Double Open-Loop Channels PCF for Temperature Sensing

open access: yesSensors, 2023
Here, we document a D-type double open-loop channel floor plasmon resonance (SPR) photonic crystal fiber (PCF) for temperature sensing. The grooves are designed on the polished surfaces of the pinnacle and backside of the PCF and covered with a gold (Au)
Shuangyan Gao   +8 more
doaj   +1 more source

A Tunable Triple-Band Near-Infrared Metamaterial Absorber Based on Au Nano-Cuboids Array

open access: yesNanomaterials, 2020
In this article, we present a design for a triple-band tunable metamaterial absorber with an Au nano-cuboids array, and undertake numerical research about its optical properties and local electromagnetic field enhancement.
Feng Qin   +9 more
doaj   +1 more source

The better photoelectric performance of thin-film TiO2/c-Si heterojunction solar cells based on surface plasmon resonance

open access: yesResults in Physics, 2021
In this work, the absorption of solar energy of thin-film c-silicon (silicon is 1 μm) heterojunction solar cells (SSCs) with the combination of Ag nanoparticles (NPs) and TiO2 inverted triangular prism (IP) is enhanced significantly.
Fei Zhao   +9 more
doaj   +1 more source

Triple-band perfect metamaterial absorber with good operating angle polarization tolerance based on split ring arrays

open access: yesResults in Physics, 2020
In this paper, a triple-band perfect metamaterial absorber based on Cu-dielectric-Cu triple-layer nanostructure is reported. The top metal film structure consists of a ring and four pairs of capacitor plates, which has a frequency selection effect ...
Yingying Wang   +9 more
doaj   +1 more source

Controllable field-free switching of perpendicular magnetization through bulk spin-orbit torque in symmetry-broken ferromagnetic films

open access: yesNature Communications, 2021
A major challenge of spintronics is achieving magnetic field free electrical control of magnetisation. Here, Xie et al. achieve perpendicular magnetisation switching in a CoPt alloy, breaking inversion symmetry by varying the composition of the alloy in ...
Xuejie Xie   +12 more
doaj   +1 more source

The Additive-Subtractive Process Chain - a Review

open access: yesJournal of Machine Engineering, 2023
In recent years, metal additive manufacturing developed intensively and became a relevant technology in industrial production of highly complex and function integrated parts.
Hans-Christian Moehring   +4 more
doaj   +1 more source

High Quality Factor, High Sensitivity Metamaterial Graphene—Perfect Absorber Based on Critical Coupling Theory and Impedance Matching

open access: yesNanomaterials, 2020
By means of critical coupling and impedance matching theory, we have numerically simulated the perfect absorption of monolayer graphene. Through the critical coupling effect and impedance matching, we studied a perfect single-band absorption of the ...
Chunlian Cen   +8 more
doaj   +1 more source

Nanoribbon-ring cross perfect metamaterial graphene multi-band absorber in THz range and the sensing application

open access: yesResults in Physics, 2019
In this paper, we propose a graphene nanoribbon-ring cross structure. A multi-band absorber is obtained by a simple combination of graphene nanoribbons and and graphene ring. We obtain that the theoretical absorption of three resonance wavelengths are 99.
Zao Yi   +9 more
doaj   +1 more source

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