Results 51 to 60 of about 1,208 (193)

High Q‐contrast terahertz quantum cascade laser via bandgap‐confined bound state in the continuum

open access: yesNanophotonics, Volume 14, Issue 21, Page 3433-3441, 02 October 2025.
Abstract Photonic bound states in the continuum (BICs) are optical modes that remain highly localized despite co‐existing with radiating waves in the continuum, attracting considerable attention for both fundamental studies and technological innovations.
Hanyu Liu   +6 more
wiley   +1 more source

Forced Convection of Carreau Hybrid Nanofluid in a Modified T‐Shaped Cavity Under Inclined MHD and Radiation Effects

open access: yesEngineering Reports, Volume 7, Issue 10, October 2025.
The 2D, steady, laminar forced convection of a Carreau hybrid nanofluid (MgO–Ag/water) in a modified T‐shaped cavity with two outlets and a bottom inlet is investigated numerically in current work. The cold nanofluid enters from the inlet at the bottom with Tc$$ {T}_c $$ and velocity uc$$ {u}_c $$, while the vertical L‐shaped walls (W1$$ {W}_1 $$ and ...
Inayat Ullah   +5 more
wiley   +1 more source

Toward The Thermodynamic Modeling Of Reacting Ionic Mixtures

open access: yes, 2015
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Based on the Müller–Liu entropy principle and the axioms of constitutive theory, a continuum model for reacting ionic mixtures is presented. The influence of microscopic structure on the
Wang Y., Bassi A.B.M.S., Reis M.C.
core   +1 more source

Reliable Methodology for Measuring SERS Enhancement Factor on Colloidal and Solid Substrates: A Practical Guide

open access: yesJournal of Raman Spectroscopy, Volume 56, Issue 9, Page 835-849, September 2025.
A recent literature survey shows that the SERS community is still far from a consensus on how to correctly estimate the Enhancement Factor (EF) of plasmonic substrates. With this article, a simple practical procedure to evaluate the EF of commonly studied colloidal and solid SERS substrates is presented, and all the critical aspects for doing so are ...
Anna Mercedi   +5 more
wiley   +1 more source

Effects of EMFs from Undersea Power Cables on Elasmobranchs and Other Marine Species. [PDF]

open access: yes, 2011
Anthropogenic electromagnetic fields (EMFs) have been introduced into the marine environmentaround the world and from a wide variety of sources for well over a century. Despite this, littleis known about potential ecological impacts from EMFs.
Tricas, Timothy, Gill, Andrew B.
core  

Frame indifferent formulation of Maxwell’s elastic-fluid model and the rational continuum mechanics of the electromagnetic field [PDF]

open access: yesMechanics Research Communications, 2011
We show that the linearized equations of the incompressible elastic medium admit a `Maxwell form' in which the shear component of the stress vector plays the role of the electric field, and the vorticity plays the role of the magnetic field. Conversely, the set of dynamic Maxwell equations are strict mathematical corollaries from the governing ...
openaire   +2 more sources

Enhanced Electromagnetic Wave Absorption in Mapbi3 Hybrid Perovskite Through a Defect‐Tunable Green Synthesis

open access: yesSmall Structures, Volume 6, Issue 9, September 2025.
Mechanosynthesis allowed synthesizing and providing large amount of high‐quality MAPbI3 powders with defects tuned by grinding time. Mechanosynthesized MAPbI3 for 4 h dispersed in a polymeric matrix led to a marked enhancement in dielectric loss at 11.4 GHz, which makes this green synthesis approach promising for producing hybrid perovskites with ...
Yihui Cai   +19 more
wiley   +1 more source

Observer-Controller Design and Simulation of a High-Speed MAGLEV Vehicle [PDF]

open access: yes, 2009
A magnetically levitated vehicle (MAGLEV) is simplified by a single mass system on a rigid guideway. The equations of motion of the electromechanical components are derived with LAGRANGE-function in state space notation. Because of the instability of the
Reinhold, Meisinger, Guangwei, Shu
core  

Using Highly Functional Cr2O3 Interfacial Layer to Enhance the Electrical Performance of Au/InP Schottky Diodes

open access: yesAdvanced Electronic Materials, Volume 11, Issue 12, August 6, 2025.
The authors report on the significant impact of the spin‐coated Cr2O3 interface layer on the electrical properties and performance characteristics of Au/undoped‐InP (Au/InP) Schottky diodes (SD). The results and approach convincingly demonstrate the potential application of the Cr2O3 interfacial layer in delivering enhanced performance and contributing
Sreedhar Gari Sai Krupa   +4 more
wiley   +1 more source

Computational Hyperspectral Terahertz Holography [PDF]

open access: yes, 2021
The progress in terahertz (0.1-10 THz) technologies has opened access to electromagnetic waves that are extremely short in the number of oscillations.
Kulya, Maksim
core  

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