Results 101 to 110 of about 93,816 (297)

Absorption Enhancement for Black Phosphorus Active Layer Based on Plasmonic Nanocavity

open access: yesIEEE Photonics Journal, 2018
In this letter, we propose a strategy to enhance absorption in the black phosphorus absorber based on a nanocavity structure. By introducing a porous silver layer, an enhanced broadband light absorption can be obtained in the spectral range of 520–
Cizhe Fang   +6 more
doaj   +1 more source

Wide bandgap report debut

open access: yesIII-Vs Review, 1997
AbstractTo be published this Spring, the first edition of a new report from the publishers of III–Vs Review will provide a complete overview of the markets and technologies of gallium nitride and related wide bandgap materials. It forecasts markets not only for LED and laser devices but also for source materials and epitaxial equipment.
openaire   +1 more source

Multi‐Scale Interface Engineering of MXenes for Multifunctional Sensory Systems

open access: yesAdvanced Functional Materials, EarlyView.
MXenes, as two‐dimensional transition metal carbides and nitrides, demonstrate remarkable capabilities for multifunctional sensing applications. This review systematically examines multi‐scale interface engineering approaches that enhance sensing performance, enable diverse detection functionalities, and improve system‐level compatibility in MXene ...
Jiaying Liao, Sin‐Yi Pang, Jianhua Hao
wiley   +1 more source

G-quartet biomolecular nanowires

open access: yes, 2002
We present a first-principle investigation of quadruple helix nanowires, consisting of stacked planar hydrogen-bonded guanine tetramers. Our results show that long wires form and are stable in potassium-rich conditions.
Calzolari, A.   +3 more
core   +1 more source

Optoelectronic Control of Redox Dynamics in POM Memristors for Noise‐Resilient Speech and Hardware‐Level Motion Recognition

open access: yesAdvanced Functional Materials, EarlyView.
Optoelectronic control of redox‐active polyoxometalate clusters in polymer matrices yields hybrid memristors with switchable volatile and non‐volatile modes, enabling reservoir‐type in‐sensor optical preprocessing and stable multilevel synapses for multimodal neuromorphic computing, including noise‐tolerant audiovisual keyword recognition and hardware ...
Xiangyu Ma   +13 more
wiley   +1 more source

Graphene Nanoribbons with Smooth Edges Behave as Quantum Wires

open access: yes, 2011
Graphene nanoribbons with perfect edges are predicted to exhibit interesting electronic and spintronic properties, notably quantum-confined bandgaps and magnetic edge states.
Dai, Hongjie   +7 more
core   +1 more source

Wide Bandgap and MMICs

open access: yesIII-Vs Review, 2005
DARPA perspectives are probably anxiously awaited by those having to make the grade and eagerly anticipated by observers as the ‘sine qua non’ for advanced compound devices. Mark Rosker's paper reported on completion of phase 1 of DARPA's wide bandgap initiative and lays down the ambitions and expectations of phases II and ...
openaire   +1 more source

Investigation of Halogen Substitution Effects in π‐Conjugated Organic Ligands of Chiral Hybrid Perovskites on Their Chiroptical Activity

open access: yesAdvanced Functional Materials, EarlyView.
The role of novel thiophene‐based ligands with halogen substitutions in enhancing the chiroptical and optoelectronic properties of 2D chiral HOIPs has been investigated. By tailoring ligand design, enhanced CD and CPL properties are achieved, with improved CPL discrimination in photodetectors.
Boesung Kwon   +4 more
wiley   +1 more source

Ultrathin Corrugated Metallic Strips for Ultrawideband Surface Wave Trapping at Terahertz Frequencies

open access: yesIEEE Photonics Journal, 2017
The dispersion properties of the ultrathin spoof slow-wave plasmonic waveguide based on different ultrathin metal strip grooves have been simulated using the finite element method.
Yan Liu   +8 more
doaj   +1 more source

Furan‐Substituted Phosphine‐Oxide as an Efficient Interfacial Modifier for Wide‐Bandgap Perovskite Solar Cells

open access: yesAdvanced Functional Materials, EarlyView.
We report phosphine‐oxide interlayers for wide‐bandgap perovskite solar cells, in which tuned P = O Lewis basicity enables selective passivation of buried NiOx/perovskite interfaces and introduces interfacial dipoles that strengthen the built‐in field.
JeeHee Hong   +6 more
wiley   +1 more source

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