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PCPDTBT nanostructures have been synthesized via template-assisted method and polymer-melt technique. The morphological, optical and structural properties of the PCPDTBT have been investigated. Melting polymer was used as a driving force to…

Materials Science · Physics 2024-04-03 Muhamad Doris , Khaulah Sulaiman , Azzuliani Supangat

We form sub-micrometer-sized vapor bubbles around a single laser heating gold nanoparticle in a liquid and monitor them through optical scattering of a probe laser. The fast, inertia-governed expansion is followed by a slower contraction…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 Lei Hou , Mustafa Yorulmaz , Nico R. Verhart , Michel Orrit

We study the coalescence of nanoscale metal clusters in an inert-gas atmosphere using constant-energy molecular dynamics. The coalescence proceeds via atomic diffusion with the release of surface energy raising the temperature. If the…

Condensed Matter · Physics 2007-05-23 Shaun C. Hendy , Simon A. Brown , Michael Hyslop

Bulk nanobubbles (NBs) generated electrochemically by short voltage pulses of alternating polarity behave differently from those produced by regular methods. Only bubbles smaller than $200\;$nm are formed in the process and their…

Soft Condensed Matter · Physics 2021-02-08 Vitaly B. Svetovoy

Recently [3] predicted the existence of an intriguing new phenomenon. It was shown that if temperature is suddenly raised at the surface of a sphere the temperature in the interior initially decreases. The authors of [3] gave a thorough…

Soft Condensed Matter · Physics 2011-05-11 J. J. Papini

Surface nanobubbles are stable gaseous phases in liquids that form on solid substrates. While their existence has been confirmed, there are many open questions related to their formation and dissolution processes along with their structures…

Fluid Dynamics · Physics 2022-04-20 Zhizhao Che , Panagiotis E. Theodorakis

We demonstrate nanohole formation in AlGaSb by Ga droplet etching within a temperature range from 270{\deg}C to 500{\deg}C, allowing a wide range of tunability of the nanohole density. By leveraging the low vapor pressure of Sb, we can…

Applied Physics · Physics 2021-04-12 Joonas Hilska , Abhiroop Chellu , Teemu Hakkarainen

In this paper we use layer potentials and asymptotic analysis techniques to analyze the heat generation due to nanoparticles when illuminated at their plasmonic resonance. We consider arbitrary-shaped particles and both single and multiple…

Analysis of PDEs · Mathematics 2017-03-02 Habib Ammari , Francisco Romero , Matias Ruiz

Understanding the dynamics of the micro-sized surface bubbles produced by plasmonic heating can benefit a wide range of applications like microfluidics, catalysis, micro-patterning and photo-thermal energy conversion. Usually, surface…

Fluid Dynamics · Physics 2022-01-19 Qiushi Zhang

We show that the effect of size dependence of the melting temperature of nanocrystals may be used to govern anomalies of thermodynamic properties of nanocrystals in the premelting range. For example, if temperature of nanocrystals is near…

Materials Science · Physics 2009-10-16 A. I. Karasevskii , V. V. Lubashenko

A novel experimental scheme has been developed in order to measure the heat capacity of mass selected clusters. It is based on controlled sticking of atoms on clusters. This allows one to construct the caloric curve, thus determining the…

Atomic and Molecular Clusters · Physics 2008-11-13 Fabien Chirot , Pierre Feiden , Sébastien Zamith , Pierre Labastie , Jean-Marc L'Hermite

Reconnection-driven nanoflares are widely considered a leading mechanism for coronal-loop heating, but their direct fingerprints in the tenuous coronal plasma remain elusive. The recently discovered coronal nanojets offer a potential probe…

We simulate the evolution of dense-cool clumps embedded in the intra-cluster medium (ICM) of cooling flow clusters of galaxies in response to multiple jet-activity cycles, and find that the main heating process of the clumps is mixing with…

Astrophysics of Galaxies · Physics 2015-06-19 Shlomi Hillel , Noam Soker

The formation process of core-shell bimetallic nanoparticles synthesized by sputtering onto a substrate is observed in real time using an originally developed acoustic technique. The technique enables us to evaluate the structural change of…

Applied Physics · Physics 2022-03-04 Nobutomo Nakamura , Koji Matsuura , Akio Ishii , Hirotsugu Ogi

Electronic states in metallic nanoclusters form energy shells and degree of their filling depends on the number of delocalized electrons. In the region close to half-filling the cluster geometry oscillates between the prolate and oblate…

Superconductivity · Physics 2015-06-23 Vladimir Kresin , Yurii Ovchinnikov , Jacques Friedel

Anisotropic hybrid nanostructures stand out as promising therapeutic agents in photothermal conversion-based treatments. Accordingly, understanding local heat generation mediated by light-to-heat conversion of absorbing multicomponent…

Nanoclusters can form and grow by nanocluster-monomer (condensation) and nanocluster-nanocluster (coagulation) collisions. During growth, product nanoclusters have elevated thermal energies due to potential and thermal energy exchange…

Computational Physics · Physics 2020-03-18 Huan Yang , Yannis Drossinos , Christopher J. Hogan

We analyze the mathematical model that describes the heat generated by electromagnetic nanoparticles. We use the known optical properties of the nanoparticles to control the support and amount of the heat needed around a nanoparticle.…

Analysis of PDEs · Mathematics 2022-06-10 Arpan Mukherjee , Mourad Sini

Hawking's prediction of thermal radiation by black holes has been shown by Unruh to be expected also in condensed matter systems. We show here that in a black hole-like configuration realised in a BEC this particle creation does indeed take…

General Relativity and Quantum Cosmology · Physics 2011-01-17 R. Balbinot , I. Carusotto , A. Fabbri , A. Recati

The field of plasmonic nanobubbles, referring to bubbles generated around nanoparticles due to plasmonic heating, is growing rapidly in recent years. Theoretical, simulation and experimental studies have been reported to reveal the…

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