Functionalization of metallic glasses through hierarchical patterning.
basic_science · Level V
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- Record sourced from PubMed, PMID 25559737.
- Also identified by DOI 10.1021/nl504694s.
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Abstract
Surface engineering over multiple length scales is critical for electronics, photonics, and enabling multifunctionality in synthetic materials. Here, we demonstrate a sequential embossing technique for building multi-tier patterns in metals by controlling the size-dependent thermoplastic forming of metallic glasses. Sub-100 nm to millimeter sized features are sculpted sequentially to allow an exquisite control of surface properties. The process can be integrated with net-shaping to transfer functional patterns on three-dimensional metal parts.