Nanostructure Fracturing: Brittle-to-Ductile Transition in Uniaxial Compression of Silicon Pillars at Room Temperature (Adv. Funct. Mater. 15/2009)

On page 2439, F. Östlund et al. report on an interesting effect observed during the compression of sub‐micrometer silicon pillars; a critical diameter separates pillars that are observed to crack from pillars that exhibit metal‐like ductility. This observation allows for the development of a quantit...

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Bibliographic Details
Published in:Advanced functional materials 2009-08, Vol.19 (15), p.n/a
Main Authors: Östlund, Fredrik, Rzepiejewska-Malyska, Karolina, Leifer, Klaus, Hale, Lucas M., Tang, Yuye, Ballarini, Roberto, Gerberich, William W., Michler, Johann
Format: Article
Language:English
Subjects:
electron microscopy
nanomechanical properties
silicon
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Summary:On page 2439, F. Östlund et al. report on an interesting effect observed during the compression of sub‐micrometer silicon pillars; a critical diameter separates pillars that are observed to crack from pillars that exhibit metal‐like ductility. This observation allows for the development of a quantitative method for measuring the fracture toughness of such structures, which can be used to predict and explain small‐volume fracture behavior.
ISSN:1616-301X
1616-3028
DOI:10.1002/adfm.200990068