Results 71 to 80 of about 22,679 (265)

Regulation and enhancement of the optical performance of graphene oxide through Ni/Fe/Ag nanoparticles doping

open access: yesNanotechnology and Precision Engineering
Graphene oxide (GO) is a two-dimensional carbon material with a graphene-like structure and many oxygen-containing functional groups, and in recent years from research into the unique optical properties of GO, GO-based composite materials formed by ...
Qingqing Sun   +5 more
doaj   +1 more source

Slight Truncation Changes in Iron Oxide Nanocubes Strongly Affect Their Magnetic Properties

open access: yesAdvanced Functional Materials, EarlyView.
Subtle variations in nanoparticle morphology can lead to significant changes in functional properties. An automated shape‐fitting method captures minor differences in corner truncation between iron oxide nanocubes of similar sizes synthesized under identical conditions, revealing pronounced disparities in their magnetic and hyperthermia behavior ...
Kingsley Poon   +7 more
wiley   +1 more source

Enhanced Terahertz Thermoelectricity Via Engineered Van Hove Singularities and Nernst Effect in Moiré Superlattices

open access: yesAdvanced Functional Materials, EarlyView.
Moiré band engineering in graphene/hexagonal boron nitride–based superlattices unlocks van Hove singularities (VHSs) for terahertz (THz) optoelectronics. Tuning the Fermi level near these singularities, associated with secondary neutrality points (SNPs), enhances the photothermoelectric response.
Leonid Elesin   +16 more
wiley   +1 more source

The dispersion energy parameters, Linear and nonlinear optical properties of Transparent Mn:ZnO nanolayers

open access: yesEuropean Mechanical Science, 2020
Throughout this research, the impact of Manganese doping on the optical characteristics of ZnO nanolayers was explained. The sol-gel spin coating technique has significant advantages due to the mixing of components on the atomic scale and provides ...
Cihat Aydın
doaj   +1 more source

Self‐Sintering Ionogel Binder for Flexible, Recyclable, and Healable Printed Giant Magnetoresistive Sensors

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Electronic waste has emerged as a major environmental challenge, driven by the massive consumption and a limited lifetime of modern electronic devices, stimulating the development of sustainable electronics. Here, an all‐biomaterial gelatin‐choline‐citric acid ([Ch][CA]) ionogel is developed as an active binder to realize self‐sintered ...
Lin Guo   +10 more
wiley   +1 more source

All-optical signal processing in novel highly nonlinear fibres and waveguides

open access: yes, 2014
All-optical signal processing has recently become an attractive research field, a result of nonlinear optical systems making major advances in terms of cost, compactness, energy consumption, integrability and reliability.
Ettabib, Mohamed A.
core  

Speckle‐Engineered Upconversion Amplification in Nanoemulsion‐Templated Hydrogel Microdomes

open access: yesAdvanced Functional Materials, EarlyView.
Nanoemulsion‐confined PEGDA microdomes generate speckle‐like excitation fields that strongly amplify upconversion luminescence upon dehydration, enabling filter‐free visible readout with reversible on–off switching. DMD‐based lithography yields scalable, shape‐programmable arrays for moisture‐responsive displays and optical encryption.
Chaeyeong Ryu   +13 more
wiley   +1 more source

Dissipative solitons in pattern-forming nonlinear optical systems : cavity solitons and feedback solitons

open access: yes, 2005
Many dissipative optical systems support patterns. Dissipative solitons are generally found where a pattern coexists with a stable unpatterned state. We consider such phenomena in driven optical cavities containing a nonlinear medium (cavity solitons ...
Firth, William, Ackemann, Thorsten
core  

Fiber-Coupled Ultra-High-Q Microresonators for Nonlinear and Quantum Optics [PDF]

open access: yes, 2004
The ability to confine optical energy in small volumes for long periods of time is desirable for a number of applications, ranging from photonics and nonlinear optics, to fundamental studies in quantum electrodynamics.
Spillane, Sean Michael
core   +1 more source

Linear and nonlinear optical properties of hybrid metallic–dielectric plasmonic nanoantennas

open access: yesBeilstein Journal of Nanotechnology, 2016
We study the linear and nonlinear optical properties of hybrid metallic–dielectric plasmonic gap nanoantennas. Using a two-step-aligned electron beam lithography process, we demonstrate the ability to selectively and reproducibly fill the gap region of ...
Mario Hentschel   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy