Nanoalloys: from theory to applications of alloy clusters and nanoparticles

R Ferrando, J Jellinek, RL Johnston - Chemical reviews, 2008 - ACS Publications
Clusters or nanoparticles are aggregates of between a few and many millions of atoms or
molecules. They may consist of identical atoms, or molecules, or two or more different …

Strain engineering in alloy nanoparticles

D Nelli, C Roncaglia, C Minnai - Advances in Physics: X, 2023 - Taylor & Francis
The deformation of interatomic distances with respect to those of the perfect crystal
generates atomic-level strain. In nanoalloys, strain can arise because of finite size …

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 …

Magic polyicosahedral core-shell clusters

G Rossi, A Rapallo, C Mottet, A Fortunelli, F Baletto… - Physical review …, 2004 - APS
A new family of magic cluster structures is found by genetic global optimization, whose
results are confirmed by density functional calculations. These clusters are Ag-Ni and Ag-Cu …

Global optimization of bimetallic cluster structures. I. Size-mismatched Ag–Cu, Ag–Ni, and Au–Cu systems

A Rapallo, G Rossi, R Ferrando, A Fortunelli… - The Journal of …, 2005 - pubs.aip.org
A genetic algorithm approach is applied to the optimization of the potential energy of a wide
range of binary metallic nanoclusters, Ag–Cu, Ag–Ni, Au–Cu, Ag–Pd, Ag–Au, and Pd–Pt …

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 …

Three-layer core/shell structure in Au− Pd bimetallic nanoparticles

D Ferrer, A Torres-Castro, X Gao… - Nano …, 2007 - ACS Publications
This paper describes the internal structure of Au− Pd nanoparticles exhibiting newly
discovered three-layer core/shell morphology, which is composed of an evenly alloyed inner …

Growth of three-shell onionlike bimetallic nanoparticles

F Baletto, C Mottet, R Ferrando - Physical review letters, 2003 - APS
We show by molecular dynamics simulations on three systems (B/A= P d/A g, C u/A g, and N
i/A g) that three-shell metallic nanoparticles made by a core of a metal A, an intermediate …

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 …

Computational modeling of nanoparticle coalescence

P Grammatikopoulos, M Sowwan… - Advanced Theory and …, 2019 - Wiley Online Library
The coalescence of nanoclusters fabricated in the gas phase is a fundamental growth
mechanism determining cluster shapes, sizes, compositions, and structures, with resultant …