title: Stable storage of helium in nanoscale platelets at semicoherent interfaces.
abstract: He implanted into metals precipitates into nanoscale bubbles that may later grow into voids, degrading the properties of engineering alloys. Using multiscale modeling, we show that a different class of He precipitates may form at semicoherent interfaces: nanoscale platelets. These platelets grow by wetting high-energy interface regions, remain stable under irradiation, and reduce He-induced swelling. Stable storage of He at interfaces may impart unprecedented He resistance to future structural materials.
authors.affiliation: Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. abishekk@mit.edu
authors.forename: A
authors.initials: A
authors.lastname: Kashinath
authors.forename: A
authors.initials: A
authors.lastname: Misra
authors.forename: M J
authors.initials: MJ
authors.lastname: Demkowicz