Journal
PHYSICAL REVIEW B
Volume 65, Issue 22, Pages -Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevB.65.220201
Keywords
-
Ask authors/readers for more resources
We report on measurements of the mass dependence (isotope effect E) of Co diffusion in both the glassy as well as the supercooled liquid states in a Pd40Cu30Ni10P20 glass. The isotope effect, which is a fingerprint of the diffusion mechanism, is very small (<0.1) in both states, suggesting diffusion via highly collective hopping. In particular, E does not change upon isothermal relaxation from the glassy into the supercooled liquid state. Our results lend strong support to the view that even after macroscopic softening of a glass the underlying atomic transport mechanism is still solidlike thermally activated hopping in a considerable temperature range above the caloric glass transition temperature.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available