Nanoscale Effects in PbF2–CdF2 Solid Solutions

The specific features of the fluorine-ion transport in nanostructured samples of Рb 1 –   x Cd x F 2 solid solutions are studied by the molecular dynamics method. The diffusion coefficients D F of fluorine ions in these samples increase by several orders of magnitude (at room temperature) as compare...

Full description

Saved in:
Bibliographic Details
Published in:Crystallography reports 2019-11, Vol.64 (6), p.932-936
Main Authors: Petrov, A. V., Salamatov, M. S., Ivanov-Schitz, A. K., Murin, I. V.
Format: Article
Language:English
Subjects:
Cadmium fluorides
Crystallography and Scattering Methods
Fluorine
Ion transport
Ions
Molecular dynamics
Nanoparticles
Physical Properties of Crystals
Physics
Physics and Astronomy
Room temperature
Solid solutions
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The specific features of the fluorine-ion transport in nanostructured samples of Рb 1 –   x Cd x F 2 solid solutions are studied by the molecular dynamics method. The diffusion coefficients D F of fluorine ions in these samples increase by several orders of magnitude (at room temperature) as compared to bulk crystals. The experimentally observed maximum of fluorine diffusion at 30 mol % CdF 2 could be reproduced for spherical nanoparticles more than 15 nm in size. It is shown that the mobility of the F – ions located on the surface of nanospherical particles exceeds several times the mobility of fluorine anions in the particle bulk.
ISSN:1063-7745
1562-689X
DOI:10.1134/S106377451905016X