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. 2014 May 22;4:5035. doi: 10.1038/srep05035

Figure 4. Deformation of pressure-quenched a-silica during nanoindentation test.

Figure 4

(a) Load-displacement curves of nanoindentation test for the 0 GPa and 15 GPa sample; (b) Atomic configuration (first row), local shear strain (second row), local density (third row) and local density change mapping under indenter (fourth row) after nanoindentation test for the 0 GPa and 15 GPa sample.