Results 91 to 100 of about 107,488 (294)

Radiative heat transfer at the nanoscale

, 2022
Macroscopic objects at thermal equilibrium emit electromagnetic radiation which is in equilibrium with the objects. If two bodies have different temperatures, they can exchange heat without contact by means of the emitted thermal radiation. For separations large enough between the bodies, the power exchanged is described by the well-known Stefan ...
openaire   +1 more source

A New Threshold Switching Device With Tunable Negative Differential Resistance Based on ErMnO3 Polymorphs

Advanced Functional Materials, EarlyView.
Polymorph engineering in ErMnO3 enables low‐voltage, forming‐free threshold switching with tunable negative differential resistance. Conducting orthorhombic regions embedded in an insulating hexagonal matrix provide controlled Joule‐heating‐enhanced Poole–Frenkel transport. The hexagonal phase prevents excessive heating and breakdown.
Rong Wu, Florian Maudet, Thanh Luan Phan, Wassim Hamouda, Richard Schroedter, Ahmet Samil Demirkol, Ronald Tetzlaff, Veeresh Deshpande, Catherine Dubourdieu   +8 more
wiley   +1 more source

Study on Boiling Performance of Multi-bubble Nucleation at Nanoscale

Yuanzineng kexue jishu
Boiling is an intense phase change process that effectively utilizes the latent heat of the liquid, making it a critical mechanism in applications with high heat transfer demands, such as electronic device thermal management, chemical engineering, and ...
GAO Deyang, SUN Zhiyuan, LIU Zhanwei, BO Hanliang
doaj   +1 more source

Radiative Heat Transfer in Anisotropic Many-Body Systems: Tuning and Enhancement

, 2014
A general formalism for calculating the Radiative Heat Transfer in many body systems with anisotropic component is presented. Our scheme extends the theory of radiative heat transfer in isotropic many body systems to anisotropic cases.
Nikbakht, M.
core   +1 more source

From Wafers to Electrodes: Transferring Automatic Optical Inspection (AOI) for Multiscale Characterization of Smart Battery Manufacturing

Advanced Functional Materials, EarlyView.
Automat optical inspection (AOI) techniques in semiconductor fabrication can be leveraged in battery manufacturing, enabling scalable detection and analysis of electrode‐ and cell‐level imperfections through AI‐driven analytics and a digital‐twin framework.
Jianyu Li, Ertao Hu, Wei Wei, Feifei Shi
wiley   +1 more source

Nanoscale thermal transport across an GaAs/AlGaAs heterostructure interface

Structural Dynamics, 2020
We studied the thermal transport across a GaAs/AlGaAs interface using time-resolved Reflection High Energy Electron Diffraction. The lattice temperature change of the GaAs nanofilm was directly monitored and numerically simulated using diffusive heat ...
Matthew Gorfien, Hailong Wang, Long Chen, Hamidreza Rahmani, Junxiao Yu, Pengfei Zhu, Jie Chen, Xuan Wang, Jianhua Zhao, Jianming Cao   +9 more
doaj   +1 more source

Nanothermometry in Living Cells: Physical Limits, Conceptual and Material Challenges

Advanced Functional Materials, EarlyView.
Heat and temperature are fundamental to life. When nanothermometers began probing regions as small as a living cell, they triggered controversial claims of large intracellular temperature gradients. We review physical constraints energy‐conservation, entropy production, thermodynamic fluctuations, and molecular dynamics.
Taras Plakhotnik
wiley   +1 more source

Kapitza Length at Solid–Liquid Interface: From Nanoscale to Microscale

Small Science
Understanding thermal energy transport at solid–liquid interfaces is critical for enhancing the performance of nano‐ or microscale systems. Although extensive studies have addressed the interfacial thermal resistance, known as Kapitza length, its impact ...
Wentao Chen, Gyoko Nagayama
doaj   +1 more source

Force-induced acoustic phonon transport across single-digit nanometre vacuum gaps

, 2019
Heat transfer between bodies separated by nanoscale vacuum gap distances has been extensively studied for potential applications in thermal management, energy conversion and data storage.
Crossley, Jacob, Francoeur, Mathieu, Jarzembski, Amun, Murdick, Ryan A., Park, Inkyu, Park, Keunhan, Shaskey, Cedric, Tokunaga, Takuro, Yun, Jeonghoon   +8 more
core  

Radiative heat flux predictions in hyperbolic metamaterials

, 2015
The transport of heat mediated by thermal photons in hyperbolic multilayer metamaterials is studied using the fluctuational electrodynamics theory. We demonstrate that in comparison to bulk materials the flux inside layered hyperbolic materials can be ...
Ben-Abdallah, Philippe, Biehs, Svend-Age, Eich, Manfred, Lang, Slawa, Petrov, Alexander, Tschikin, Maria   +5 more
core   +3 more sources