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Nanoscale Structure, Dynamics, and Aging Behavior of Metallic Glass Thin Films.

ABSTRACT: Scanning tunnelling microscopy observations resolve the structure and dynamics of metallic glass Cu100-xHfx films and demonstrate scanning tunnelling microscopy control of aging at a metallic glass surface. Surface clusters exhibit heterogeneous hopping dynamics. Low Hf concentration films feature an aged surface of larger, slower clusters. Argon ion-sputtering destroys the aged configuration, yielding a surface in constant fluctuation. Scanning tunnelling microscopy can locally restore the relaxed state, allowing for nanoscale lithographic definition of aged sections.

SUBMITTER: Burgess JA 

PROVIDER: S-EPMC4976322 | biostudies-literature | 2016 Aug

REPOSITORIES: biostudies-literature

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Nanoscale Structure, Dynamics, and Aging Behavior of Metallic Glass Thin Films.

Burgess J A J JA   Holt C M B CM   Luber E J EJ   Fortin D C DC   Popowich G G   Zahiri B B   Concepcion P P   Mitlin D D   Freeman M R MR  

Scientific reports 20160808

Scanning tunnelling microscopy observations resolve the structure and dynamics of metallic glass Cu100-xHfx films and demonstrate scanning tunnelling microscopy control of aging at a metallic glass surface. Surface clusters exhibit heterogeneous hopping dynamics. Low Hf concentration films feature an aged surface of larger, slower clusters. Argon ion-sputtering destroys the aged configuration, yielding a surface in constant fluctuation. Scanning tunnelling microscopy can locally restore the rela  ...[more]

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