Article ID Journal Published Year Pages File Type
1498424 Scripta Materialia 2014 4 Pages PDF
Abstract

The origin of micron-scale ridge-like fracture surface instabilities on the {1 1 1} low-energy cleavage plane of silicon crystal was elucidated by fracture experiments and surface analyses by scanning tunneling microscopy under ultra-high vacuum. These investigations show that when a low-speed crack collides with individual boron atoms along the crack front, atomic-height jogs are generated, gradually growing by pile-up mechanisms to over three orders of magnitude in height by forming ridges.

Related Topics
Physical Sciences and Engineering Materials Science Ceramics and Composites
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