Figure 3.

Nanoindentation test results. (a) A load–displacement curve of the GaSe thin film showing the multiple pop-ins during loading, (b) hardness-displacement curve, and (c) Young's modulus-displacement curve for the GaSe thin film.

Jian et al. Nanoscale Research Letters 2012 7:403   doi:10.1186/1556-276X-7-403
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