High-pressure phase transformation of silicon nitride

John Patten, Ronnie Fesperman, Satya Kumar, Sam McSpadden, Jun Qu, Michael Lance, Robert Nemanich, Jennifer Huening

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


A high-pressure phase transformation (HPPT) in the ceramic material silicon nitride (SiN) was analyzed. The structure of the micro-and macromachined SiN was analyzed using a high-pressure diamond anvil cell, Raman spectroscopy, csanning/transmission electron microscopy, optical and acoustic microscope inspection. The HPPT exhibited a ductile or metallike behavior leading to severe plastic deformation. The results show that the pressure-induced plasticity was similar to that found in Si and germanium.

Original languageEnglish (US)
Pages (from-to)4740-4742
Number of pages3
JournalApplied Physics Letters
Issue number23
StatePublished - Dec 8 2003
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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