Issue 42, 2015

Phase diagrams of nanoalloys: influence of size and morphology

Abstract

The size dependence of the phase diagram of nanoalloys with a tendency to phase separate is investigated. As the critical temperature may depend on both the size and the morphology of the nanoparticles, we consider nanowires with different cross-sections and also nanotubes with different circumferences. The variation of the critical temperature with the length of all these nanoparticles is systematically studied using Monte Carlo simulations based on an Ising model. A non-monotonic variation of the critical temperature is observed as a function of the length. The maximal value of the critical temperature is reached when the length and the circumference of the nanoparticles are similar. The phase diagrams obtained within two thermodynamic ensembles (the canonical ensemble and the pseudo grand canonical ensemble) are compared and discussed in terms of the behaviour of a single particle or an assembly of nanoparticles in mutual equilibrium with each other.

Graphical abstract: Phase diagrams of nanoalloys: influence of size and morphology

Article information

Article type
Paper
Submitted
18 mar. 2015
Accepted
13 maí 2015
First published
21 maí 2015

Phys. Chem. Chem. Phys., 2015,17, 28347-28353

Author version available

Phase diagrams of nanoalloys: influence of size and morphology

F. Berthier, E. Maras and B. Legrand, Phys. Chem. Chem. Phys., 2015, 17, 28347 DOI: 10.1039/C5CP01593F

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements