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