Pseudoelasticity at Large Strains in Au Nanocrystals

Stability of gold nanowires at large Au - Au separations

The unusual structural stability of gold nanowires at large separations of gold atoms is explained from first-principles quantum mechanical calculations. We show that undetected light atoms, in particular hydrogen, stabilize the experimentally observed structures, which would be unstable in pure gold wires. The enhanced cohesion is due to the partial charge transfer from gold to the light atoms...

PbSe Nanocrystals on Au–Fe3O4 Hybrid Nanoparticles

In situ growth of Au nanocrystals on graphene oxide sheets.

Au nanocrystals (AuNCs) with a size of 10-20 nm decorated on graphene oxide (GO) were fabricated successfully through a hydrothermal reduction and crystallization route without any extra reductants and capping agents. The hydrophobic areas of GO benefit the formation of nanocrystals (NCs) with {111} facets totally exposed; however, the hydrophilic areas are detrimental to the crystallization. T...

LARGE TRANSVERSE MOMENTUM SUPPRESSION OF π 0 ’s IN Au + Au AND d + Au COLLISIONS AT √ s = 200 GeV

Anomalous suppression of π 0 production at large transverse momentum in Au + Au and d + Au collisions at √ s NN = 200 GeV

We propose a model of suppression of large pT -pions in heavy ion collisions based on the interaction of the large pT pion with the dense medium created in the collision. The model is practically the same as the one previously introduced to describe J/ψ suppression. Both the pT and the centrality dependence of the data are reproduced. In deuteron-gold collisions, the effect of the final state i...