Formation and instability of silver nanofilament in Ag-based programmable metallization cells.
basic_science · Level V
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- Record sourced from PubMed, PMID 20707382.
- Also identified by DOI 10.1021/nn1010667.
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Abstract
In this paper, we report on the formation and rupture of Ag nanofilament on planar Ag/TiO2/Pt cells using visual observation. During the forming process, the filament tends to stay very thin. Specifically, it is so thin that it breaks up into a chain of nanospheres (according to Rayleigh instability) right after the formation has been completed. Similar mechanical breakup may also impact vertically stacked cells, causing reliability concerns.