Nanoscale Structure, Dynamics, and Aging Behavior of Metallic Glass Thin Films
- Burgess, J.
- Holt, C.
- Luber, E.
- Fortin, D.
- Popowich, G.
- Zahiri, B.
- Concepcion, P.
- Mitlin, D.
- Freeman, M.
Publication date
August 2016
DOI Publisher
Springer Science and Business Media LLC Language
EnglishAbstract
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
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