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Two-dimensional (2D) Janus transition metal dichalcogenides (TMDs) are promising candidates for various applications in non-linear optics, energy harvesting, and catalysis. These materials are usually synthesized via chemical conversion of…

Two hypothesizes concerning interaction of neutrons with nanoparticles and having applications in the physics of ultracold neutron (UCN) were recently considered in ref. [Physics of Atomic Nuclei 65(3): 400 (2002)]; they were motivated by…

核理论 · 物理学 2007-05-23 V. V. Nesvizhevsky

Generation of energetic (hot) electrons is an intrinsic property of any plasmonic nanostructure under illumination. Simultaneously, a striking advantage of metal nanocrystals over semiconductors lies in their very large absorption cross…

介观与纳米尺度物理 · 物理学 2017-08-31 Lucas V. Besteiro , Xiang-Tian Kong , Zhiming Wang , Gregory V. Hartland , Alexander O. Govorov

The relations for the polarizability of the metallic nanoparticles, coated with the shell of cyanine dyes, are obtained in the article. The frequency dependencies for light absorption and scattering efficiencies, the heating of the…

软凝聚态物质 · 物理学 2024-01-18 A. V. Korotun , N. A. Smirnova , V. I. Reva , I. M. Titov , G. M. Shilo

Heat transfer from irradiated metallic nanoparticles is relevant to a broad array of applications ranging from water desalination to photoacoustics. The efficacy of such processes relies on the ability of these nanoparticles to absorb the…

材料科学 · 物理学 2020-03-18 Ali Alkurdi , Julien Lombard , Francois Detcheverry , Samy Merabia

Thermal and photothermal effects play an increasing role at the nanoscale due to the general decrease of thermal conductances and to the increasing role of interfaces. Here we present a non-contact optomechanical analysis of the thermal and…

Wearing comfort of apparel is highly dependent on moisture management and respective transport properties of the textiles. In today's used textiles, the water vapor transmission (WVT) depends primarily on the porosity and the wettability of…

应用物理 · 物理学 2023-01-03 Anupama Sargur Ranganath , Avinash Baji , Giuseppino Fortunato , René M. Rossi

Magnetic nanoparticles (MNP's) have become increasingly important in heating applications such as hyperthermia treatment of cancer due to their ability to release heat when a remote external alternating magnetic field is applied. It has…

介观与纳米尺度物理 · 物理学 2015-06-16 Gowrishankar Seshadri , Rochish Thaokar , Anurag Mehra

Photovoltaic solar cell is one of the main renewable energy sources, and its power conversion efficiency (PCE) is improved by employing doping or heterojunction to reduce the photogenerated carrier recombination. Here, we propose a…

应用物理 · 物理学 2024-08-23 Lei Li , Zi-Xuan Yang , Tao Huang , Hui Wan , Wu-Yu Chen , Tao Zhang , Gui-Fang Huang , Wangyu Hu , Wei-Qing Huang

We study the effects of heterogeneity on interfacial pinning and hydrodynamic drag using molecular dynamics (MD) simulations of Janus nanospheres at a liquid/vapor interface. We construct the free energy landscape for this system, both in…

软凝聚态物质 · 物理学 2019-04-17 Joel Koplik , Charles Maldarelli

While alloy, core-shell and Janus binary nanoclusters are found in more and more technological applications, their formation mechanisms are still poorly understood, especially during synthesis methods involving physical approaches. In this…

材料科学 · 物理学 2020-01-08 Georg Daniel Förster , Magali Benoit , Julien Lam

Two-dimensional (2D) materials have garnered considerable attention as an emerging thermoelectric (TE) material owing to their unique density of state (DOS) near the Fermi level. We investigate the TE performance of Janus $\beta$-PdXY…

材料科学 · 物理学 2023-05-23 Mukesh Jakhar , Raman Sharma , Ashok Kumar

A novel photonic thermal diode concept operating in the near field and capitalizing on the temperature-dependence of coupled surface polariton modes in nanostructures is proposed. The diode concept utilizes terminals made of the same…

光学 · 物理学 2017-10-24 Lei Tang , Mathieu Francoeur

The coherent oscillations of mobile charge carriers near the surface of good conductors-surface plasmons-are been exploited in many applications in information technologies, clean energy, high-density data storage, photovoltaics, chemistry,…

介观与纳米尺度物理 · 物理学 2023-12-20 Jacob Khurgin , Anton Yu. Bykov , Anatoly V. Zayats

We introduce a nanocalorimetric technique based on microsecond-pulsed heating (\mu s-PHnC) that enables high-sensitivity, quasi-isothermal heat capacity measurements on nanoscale samples. Such resolution is critical for exploring…

Bismuth nanoparticles are being investigated due to their reported photothermal and photocatalytic properties. In this study, we synthesised spherical bismuth nanoparticles (50-600 nm) and investigated their structural and optical…

光学 · 物理学 2025-09-23 Michael Foltýn , Michal Kvapil , Tomáš Šikola , Michal Horák

The depletion of energy sources, worsening environmental issues, and the quantum limitations of integrated circuits for information storage in the post-Moore era, are pressing global concerns. Fortunately, two-dimensional (2D) Janus…

应用物理 · 物理学 2025-12-25 Long Zhang , Ziqi Ren , Li Sun , Yihua Gao , Deli Wang , Junjie He , Guoying Gao

Recent progress in nanofabrication has led to tremendous technological developments in nanophotonics, which rely on the interaction of light with nanostructured matter. Nanophotonics has experienced a large surge of interest in recent…

光学 · 物理学 2020-03-26 Alex Krasnok , Andrea Alù

Engineering phonon transport in physical systems is a subject of interest in the study of materials and plays a crucial role in controlling energy and heat transfer. Of particular interest are non-reciprocal phononic systems, which in…

介观与纳米尺度物理 · 物理学 2018-03-28 Alireza Seif , Wade DeGottardi , Keivan Esfarjani , Mohammad Hafezi

In this letter, we address the thermal processes occurring in plasmonic nanoparticles. We determine constrains imposed upon the plasmonic excitation in such nanoparticle by the resulting heat generation. Taking into account temperature…

介观与纳米尺度物理 · 物理学 2013-08-06 I. A. Fyodorov , V. M. Parfenyev , G. T. Tartakovsky , S. S. Vergeles , A. K. Sarychev