Puzzles of surface segregation in binary Pt–Pd nanoparticles: molecular dynamics and thermodynamic simulations

V Samsonov, A Romanov, I Talyzin, A Lutsay… - Metals, 2023 - mdpi.com
Up till now, there have been extremely contradictory opinions and inadequate results
concerning surface segregation in binary platinum–palladium (Pt–Pd) nanoparticles …

Shape changes in AuPd alloy nanoparticles controlled by anisotropic surface stress relaxation

D Nelli, C Roncaglia, R Ferrando… - The Journal of Physical …, 2021 - ACS Publications
The shape of AuPd nanoparticles is engineered by surface stress relaxation, achieved by
varying the Au content in nanoparticles of Pd-rich compositions. AuPd nanoparticles are …

When mechanisms of coalescence and sintering at the nanoscale fundamentally differ: Molecular dynamics study

VM Samsonov, IV Talyzin, VV Puytov… - The Journal of …, 2022 - pubs.aip.org
Employing classical isothermal molecular dynamics, we simulated coalescence of
mesoscopic Au nanodroplets, containing from several thousands to several hundred …

Computational understanding of the coalescence of metallic nanoparticles: a mini review

L Jiang, Y Guo, Z Liu, S Chen - Nanoscale, 2024 - pubs.rsc.org
Metallic nanoparticles have exhibited extraordinary properties that differ from bulk materials
due to their large ratio of surface area to volume. The coalescence of metallic nanoparticles …

Embedding functions for Pt and Pd: recalculation and verification on properties of bulk phases, Pt, Pd, and Pt–Pd nanoparticles

VM Samsonov, AA Romanov, AY Kartoshkin… - Applied Physics A, 2022 - Springer
We have accurately recalculated the embedding functions for Pt and Pd in the frames of the
basic embedded atom method (EAM) scheme primarily developed by Daw and Baskes. The …

Melting mechanisms of Pt-based multimetallic spherical nanoparticles by molecular dynamics simulation

CY Cheng, YY Guo, YM Zou, AJ Ong, AIY Tok, S Li - Rare Metals, 2023 - Springer
The melting mechanisms of Pt-based multimetallic nanoparticles (NPs) are important to help
determine their optimal melting processes. To understand the melting and coalescence …

In situ laser light scattering for temporally and locally resolved studies on nanoparticle trapping in a gas aggregation source

J Drewes, S Rehders, T Strunskus… - Particle & Particle …, 2022 - Wiley Online Library
Gas phase synthesis of nanoparticles (NPs) via magnetron sputtering in a gas aggregation
source (GAS) has become a well‐established method since its conceptualization three …

Interplay between interdiffusion and shape transformations in nanoalloys evolving from core–shell to intermixed structures

D Nelli, C Mottet, R Ferrando - Faraday Discussions, 2023 - pubs.rsc.org
Nanoalloys are often grown or synthesized in non-equilibrium configurations whose further
evolution towards equilibrium can take place through complex pathways. In this work, we …

A novel method for the synthesis of core–shell nanoparticles for functional applications based on long-term confinement in a radio frequency plasma

OH Asnaz, J Drewes, M Elis, T Strunskus… - Nanoscale …, 2023 - pubs.rsc.org
A novel combined setup of a Haberland type gas aggregation source and a secondary radio
frequency discharge is used to generate, confine, and coat nanoparticles over much longer …

[HTML][HTML] A thin-film broadband perfect absorber based on plasmonic copper nanoparticles

N Perdana, J Drewes, F Pohl, A Vahl… - Micro and Nano …, 2022 - Elsevier
Increasing the efficiency of solar thermal collectors is extremely important as they are
essential for many applications, ranging from the UV up to the NIR spectral range, from …