Results 101 to 110 of about 107,488 (294)

Heat transfer at the nanoscale : The hyperbolic heat equation

, 2015
The interest of taking technology to increasingly small scales has required great changes and advances in science. In particular, the well-known Fourier's law (very useful in large scales) has proved to be not accurate enough for describing heat transfer at smaller scales.
openaire   +2 more sources

Nanoscale heat transfer in quantum cascade lasers

Physica E: Low-dimensional Systems and Nanostructures, 2008
We have measured the local lattice temperature distribution and modeled the heat transport in all classes of quantum cascade lasers operating both in the mid-infrared and terahertz ranges. All relevant active regions based on GaAs/AlGaAs, GaInAs/AlGaAsSb, GaInAs/AlInAs/InP material systems have been investigated.
Scamarcio G, Vitiello MS, Spagnolo V, Kumar S, Williams B, Hu Q   +5 more
openaire   +7 more sources

Artifact‐Minimizing Ultrathin Transparent Electrodes Fabricated via iCVD for In Vivo Optogenetic Stimulation and Neural Signal Monitoring of Primary Visual Cortex

Advanced Functional Materials, EarlyView.
We present ultrathin flexible transparent electrodes through iCVD‐enabled molecular control of 10 nm gold films on poly(dimethylaminomethylstyrene). In vivo validation demonstrated photoelectric artifact reduction vs. opaque electrodes and preservation of natural neural dynamics.
Tae Jin Mun, Minju Kim, Chaesung Kim, Yunyoung Choi, In‐Yeop Baek, Younghak Cho, Gyeongyong Lee, Yerim Jang, Min‐Ho Nam, Wonryung Lee, Maesoon Im, Hyejeong Seong   +11 more
wiley   +1 more source

Coupled responses of thermomechanical waves in functionally graded viscoelastic nanobeams via thermoelastic heat conduction model including Atangana–Baleanu fractional derivative

Scientific Reports
Accurately characterizing the thermomechanical parameters of nanoscale systems is essential for understanding their performance and building innovative nanoscale technologies due to their distinct behaviours.
Ahmed E. Abouelregal, Marin Marin, Abdelaziz Foul, S. S. Askar   +3 more
doaj   +1 more source

Natural Regulation of Energy Flow in a Green Quantum Photocell

, 2015
Manipulating the flow of energy in nanoscale and molecular photonic devices is of both fundamental interest and central importance for applications in light harvesting optoelectronics.
Aji, Vivek, Arp, Trevor B., Barlas, Yafis, Gabor, Nathaniel M.   +3 more
core   +2 more sources

Photon Avalanching Nanoparticles: The Next Generation of Upconverting Nanomaterials?

Advanced Functional Materials, EarlyView.
This Perspective outlines the mechanistic foundations that enable photon‐avalanche (PA) behavior in lanthanide nanomaterials and contrasts them with emerging application spaces and forward‐looking design strategies. By bridging threshold engineering, energy‐transfer dynamics, and materials engineering, we provide a coherent roadmap for advancing the ...
Kimoon Lee, Yunseo Kim, Hyeong‐ku Jo, Dongjoon Yoon, Byeonghyeok Im, WonJeong Yu, Eui‐Rim On, Changhwan Lee   +7 more
wiley   +1 more source

Near-Field Enhanced Thermionic Energy Conversion for Renewable Energy Recycling

, 2017
This article proposes a new energy harvesting concept that greatly enhances thermionic power generation with high e ciency by exploiting the near- field enhancement of thermal radiation.
Cho, Sung Kwon, Ghashami, Mohammad, Park, Keunhan   +2 more
core   +1 more source

Strategies for Loading and Releasing Peptide Therapeutics in Biodegradable Carriers

Advanced Functional Materials, EarlyView.
A biodegradable carrier‐based peptide delivery system is a powerful treatment platform for diverse diseases, owing to its superior therapeutic efficacy and low toxicity. This review examines the conventional peptide‐loaded carrier fabrication process and its current limitations.
Wookyoung Jang, Ki Wan Bong
wiley   +1 more source

Numerical Investigation of Heat Transfer Analysis Using Electromagnetohydrodynamics with Aggregated Nanoparticles

East European Journal of Physics
Optimizing heat transmission remains a significant contemporary challenge in modern technological applications. Nanofluids exhibit strong potential thermal conductivity for enhancing heat transfer and improving energy system efficiency.
Peri K. Kameswaran, A. Lokeshwari
doaj   +1 more source

The effect of system boundaries on the mean free path for confined gases

AIP Advances, 2013
The mean free path of rarefied gases is accurately determined using Molecular Dynamics simulations. The simulations are carried out on isothermal argon gas (Lennard-Jones fluid) over a range of rarefaction levels under various confinements (unbounded gas,
Sooraj K. Prabha, Sreehari P. D., Murali Gopal M., Sarith P. Sathian   +3 more
doaj   +1 more source