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Giant pop-ins and amorphization in germanium during indentation

Oliver, David J.; Bradby, Jodie E.; Williams, Jim S.; Swain, Michael V.; Munroe, Paul


Sudden excursions of unusually large magnitude (>1 μm), “giant pop-ins,” have been observed in the force-displacement curve for high load indentation of crystalline germanium(Ge). A range of techniques including Raman microspectroscopy, focused ion-beam cross sectioning, and transmission electron microscopy, are applied to study this phenomenon. Amorphous material is observed in residual indents following the giant pop-in. The giant pop-in is shown to be a material removal event, triggered by...[Show more]

CollectionsANU Research Publications
Date published: 2007-02-28
Type: Journal article
Source: Journal of Applied Physics
DOI: 10.1063/1.2490563


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