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 …

Competition between icosahedral motifs in AgCu, AgNi, and AgCo nanoalloys: a combined atomistic–DFT study

K Laasonen, E Panizon, D Bochicchio… - The Journal of …, 2013 - ACS Publications
The structures of AgCu, AgNi, and AgCo nanoalloys with icosahedral geometry have been
computationally studied by a combination of atomistic and density-functional theory (DFT) …

Structures and segregation patterns of Ag–Cu and Ag–Ni nanoalloys adsorbed on MgO (0 0 1)

D Bochicchio, R Ferrando, E Panizon… - Journal of Physics …, 2016 - iopscience.iop.org
Low-energy geometric structures and segregation patterns of Ag–Cu and Ag–Ni
nanoparticles adsorbed on MgO (0 0 1) are searched for by global optimisation methods …

Instantaneous normal mode analysis for OKE reduced spectra of liquid and supercooled water: Contributions of low-density and high-density liquids

PH Tang, TM Wu - Journal of Molecular Liquids, 2020 - Elsevier
In this paper, we investigated the optical Kerr effect (OKE) reduced spectral density (RSD) of
liquid and supercooled water at ambient pressure and focused on the contributions of low …

Local structural effects on orientational relaxation of OH-bond in liquid water over short to intermediate timescales

SR Lin, PH Tang, TM Wu - The Journal of Chemical Physics, 2014 - pubs.aip.org
By simulating the rigid simple point charge extended model at temperature T= 300 K, the
orientational relaxation of the OH-bond in water was investigated over short to intermediate …

Theoretical and computational methods for nanoalloy structure and thermodynamics

R Ferrando - Frontiers of Nanoscience, 2016 - Elsevier
Nanoalloys present quite complex energy landscapes, which can be studied by means of
different approaches. The exploration of the nanoalloy energy landscapes requires the …

Melting behavior of Ag14 cluster: An order parameter by instantaneous normal modes

PH Tang, TM Wu, PJ Hsu, SK Lai - The Journal of Chemical Physics, 2012 - pubs.aip.org
This paper studies the melting behavior of Ag 14 cluster employing the instantaneous
normal mode (INM) analysis that was previously developed for bimetallic cluster Ag 17 Cu 2 …

Structure and atomic vibrations in bimetallic Ni13 − n Al n clusters

GG Rusina, SD Borisova, EV Chulkov - JETP letters, 2015 - Springer
The binding energy, equilibrium geometry, and vibration frequencies in bimetallic clusters Ni
13− n Al n (n= 0–13) have been calculated using the embedded atom method potentials. It …

Cd/Cr do**s in CuAg nano-clusters: a transition towards strong alloying

S Datta - Journal of Nanoparticle Research, 2019 - Springer
Using first principles electronic structure calculations, we have explored the effects of
separate substitutional do**s with Cd/Cr dopants on the structural, mixing and electronic …

Instantaneous normal mode analysis for intermolecular and intramolecular vibrations of water from atomic point of view

YC Chen, PH Tang, TM Wu - The Journal of Chemical Physics, 2013 - pubs.aip.org
By exploiting the instantaneous normal mode (INM) analysis for models of flexible
molecules, we investigate intermolecular and intramolecular vibrations of water from the …