New evidence for a pressure-induced phase transformation during the indentation of silicon (original) (raw)

Abstract

Scanning electron micrographs of indents in (111) silicon reveal that a thin layer of material immediately adjacent to the indenter is plastically extruded. The fact that the material can be deformed in this way indicates that it has metallic-like mechanical properties. This is presented as new evidence that a pressure-induced phase transformation to the metallic state occurs during the indentation of silicon.

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Authors and Affiliations

  1. Department of Materials Science, Rice University, P.O. Box 1892, Houston, Texas, 77251, USA
    G. M. Pharr & D. S. Harding
  2. Metals and Ceramics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 37831, USA
    W. C. Oliver

Authors

  1. G. M. Pharr
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  2. W. C. Oliver
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  3. D. S. Harding
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Pharr, G.M., Oliver, W.C. & Harding, D.S. New evidence for a pressure-induced phase transformation during the indentation of silicon.Journal of Materials Research 6, 1129–1130 (1991). https://doi.org/10.1557/JMR.1991.1129

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