Structure and order in cobalt/platinum-type nanoalloys: from thin films to supported clusters
P Andreazza, V Pierron-Bohnes, F Tournus… - Surface Science …, 2015 - Elsevier
Abstract Among nanoalloys, Co–Pt type (CoPt or FePt) supported nanostructures are very
interesting systems due to the direct link between atom arrangement and magnetic behavior …
interesting systems due to the direct link between atom arrangement and magnetic behavior …
Exploring the formation of gold/silver nanoalloys with gas-phase synthesis and machine-learning assisted simulations
While nanoalloys are of paramount scientific and practical interest, the main processes
leading to their formation are still poorly understood. Key structural features in the alloy …
leading to their formation are still poorly understood. Key structural features in the alloy …
Sudden collective atomic rearrangements trigger the growth of defect-free silver icosahedra
The growth of Ag clusters on amorphous carbon substrates is studied in situ by X-ray
scattering experiments, whose final outcome is imaged by electron microscopy. The real …
scattering experiments, whose final outcome is imaged by electron microscopy. The real …
Magnetic CoPt nanoparticle-decorated ultrathin Co (OH) 2 nanosheets: an efficient bi-functional water splitting catalyst
Hydrogen generation via electrocatalytic water splitting is on the cutting edge of energy
research. The kinetic burdens associated with the sluggish anodic oxygen evolution reaction …
research. The kinetic burdens associated with the sluggish anodic oxygen evolution reaction …
From metastability to equilibrium during the sequential growth of Co–Ag supported clusters: A real-time investigation
Atomic motions and morphological evolution of growing Co–Ag nanoparticles are followed
in situ and in real time, by wide and small angle X-ray scattering obtained simultaneously in …
in situ and in real time, by wide and small angle X-ray scattering obtained simultaneously in …
Gold nanoparticle internal structure and symmetry probed by unified small-angle X-ray scattering and X-ray diffraction coupled with molecular dynamics analysis
Shape and size are known to determine a nanoparticle's properties. Hardly ever studied in
synthesis, the internal crystal structure (ie, particle defects, crystallinity, and symmetry) is just …
synthesis, the internal crystal structure (ie, particle defects, crystallinity, and symmetry) is just …
First-principles investigations of multimetallic transition metal clusters
This brief overview summarizes the state-of-the-art of simulations of transition metal
nanoclusters based on density functional theory calculations. Besides the monometallic …
nanoclusters based on density functional theory calculations. Besides the monometallic …
Multi- Domain CoPt and FePt Nanoparticles Revealed by Electron Microscopy
The atomic structure of CoPt and FePt nanoparticles (with a diameter between 2 and 5 nm)
has been studied by transmission electron microscopy. The particles have been produced …
has been studied by transmission electron microscopy. The particles have been produced …
Ordering and surface segregation in nanoparticles: A theoretical study from surface alloys to nanoalloys
Monte Carlo simulations within a tight-binding Ising model (TBIM) have been performed on
bulk, surfaces, and nanoclusters of Co 1-c-Pt c alloys in order to describe and understand …
bulk, surfaces, and nanoclusters of Co 1-c-Pt c alloys in order to describe and understand …
Probing nanoscale structural and order/disorder phase transitions of supported Co-Pt clusters under annealing
Structural and order/disorder phase transitions in bimetallic Co 50 Pt 50 nanoparticles
induced by annealing have been investigated combining in situ small and wide angle x-ray …
induced by annealing have been investigated combining in situ small and wide angle x-ray …