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Mechanical deformation of single-crystal ZnO

Kucheyev, S. O.; Bradby, J. E.; Williams, J. S.; Jagadish, C.; Swain, M. V.

Description

The deformation behavior of bulk ZnO single crystals is studied by a combination of spherical nanoindentation and atomic force microscopy. Results show that ZnO exhibits plastic deformation for relatively low loads (>~4–13 mN with an ~4.2 mm radius spherical indenter). Interestingly, the elastic–plastic deformation transition threshold depends on the loading rate, with faster loading resulting, on average, in larger threshold values. Multiple discontinuities (so called ‘‘pop-in’’...[Show more]

CollectionsANU Research Publications
Date published: 2002-02-11
Type: Journal article
URI: http://hdl.handle.net/1885/15586
Source: Applied Physics Letters
DOI: 10.1063/1.1448175

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