Figure 4.

Loading-unloading-reloading process with the maximum indentation depth smaller than the critical indentation depth. (a) Load–displacement curve, (b) local atom configuration when the loading process is finished, and (c) local atom configuration when the unloading process is finished.

Wang et al. Nanoscale Research Letters 2014 9:41   doi:10.1186/1556-276X-9-41
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