Symmetry breaking and morphological instabilities in core-shell metallic nanoparticles

R Ferrando - Journal of Physics: Condensed Matter, 2014 - iopscience.iop.org
Nanoalloys are bi-or multi-component metallic particles in the size range between 1 and 100
nm. Nanoalloys present a wide variety of structures and properties, which make them …

Thermodynamics of nanoalloys

F Calvo - Physical Chemistry Chemical Physics, 2015 - pubs.rsc.org
This article reviews recent advances in our understanding of how temperature affects the
structure and the phase of multimetallic nanoparticles. Focusing on bimetallic systems, we …

Morphological instability of core-shell metallic nanoparticles

D Bochicchio, R Ferrando - Physical Review B—Condensed Matter and …, 2013 - APS
Bimetallic nanoparticles (often known as nanoalloys) with core-shell arrangement are of
special interest in several applications, such as in optics, catalysis, magnetism, and …

Core–shell vs. multi-shell formation in nanoalloy evolution from disordered configurations

D Nelli, R Ferrando - Nanoscale, 2019 - pubs.rsc.org
The evolution towards equilibrium of AuCo, AgNi and AgCu nanoparticles is studied by
molecular dynamics simulations. Nanoparticle sizes of about 2.5 nm are considered, in the …

Nanoscale effects on phase separation

JP Palomares-Baez, E Panizon, R Ferrando - Nano Letters, 2017 - ACS Publications
Classical nucleation theory predicts that a binary system which is immiscible in the bulk
should become miscible at the nanoscale when lowering its size below a critical size. Here …

Structural properties of sub-nanometer metallic clusters

F Baletto - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
At the nanoscale, the investigation of structural features becomes fundamental as we can
establish relationships between cluster geometries and their physicochemical properties …

Tempering of Au nanoclusters: capturing the temperature-dependent competition among structural motifs

M Settem, R Ferrando, A Giacomello - Nanoscale, 2022 - pubs.rsc.org
A computational approach to determine the equilibrium structures of nanoclusters in the
whole temperature range from 0 K to melting is developed. Our approach relies on Parallel …

The structure and crystallizing process of NiAu alloy: A molecular dynamics simulation method

D Nguyen Trong, V Cao Long, Ş Ţălu - Journal of Composites Science, 2021 - mdpi.com
This paper studies the influence of factors such as heating rate, atomic number, temperature,
and annealing time on the structure and the crystallization process of NiAu alloy. Increasing …

A novel Co@ Au structure formed in bimetallic core@ shell nanoparticles

A Mayoral, D Llamosa, Y Huttel - Chemical Communications, 2015 - pubs.rsc.org
Core@ shell Co@ Au nanoparticles of around 8 nm have been produced by the inert gas
condensation method, revealing for the first time that most of the nanoparticles exhibit an …

Determining the equilibrium structures of nanoalloys by computational methods

R Ferrando - Journal of Nanoparticle Research, 2018 - Springer
Nanoalloys are bi-or multi-metallic nanoparticles with sizes in the range between 1 and 100
nm. They are the subject of intense research activity in the last decades, both in experiments …