Nanoscale Transformations in Metastable, Amorphous, Silicon-Rich Silica.
basic_science · Level V
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- Record sourced from PubMed, PMID 27334656.
- Also identified by DOI 10.1002/adma.201601208.
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Abstract
Electrically biasing thin films of amorphous, substoichiometric silicon oxide drives surprisingly large structural changes, apparent as density variations, oxygen movement, and ultimately, emission of superoxide ions. Results from this fundamental study are directly relevant to materials that are increasingly used in a range of technologies, and demonstrate a surprising level of field-driven local reordering of a random oxide network.