| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 7912977 | Scripta Materialia | 2015 | 4 Pages |
Abstract
Structural changes due to low-temperature relaxation in a Au49Cu26.9Si16.3Ag5.5Pd2.3 bulk metallic glass are investigated with a combination of positron annihilation lifetime spectroscopy (PALS) and high-intensity synchrotron X-ray scattering. The free volume content of the glass remains unaffected during annealing at 50 °C while distinct changes in the chemical short-range order occur on a nearest-neighbor length scale of â¼3 Ã
. A highly localized process of atomic rearrangement is envisioned, which may help to understand the microscopic origin of the β-relaxation.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Zach Evenson, Tönjes Koschine, Shuai Wei, Oliver Gross, Jozef Bednarcik, Isabella Gallino, Jamie J. Kruzic, Klaus Rätzke, Franz Faupel, Ralf Busch,