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Experiment and FEA results of (a) hollow, (b) macroporous, and (c) mesoporous carbon nanospheres at the same compressive strain (28%, h = 270 nm, arrow represents the loading direction). An obvious failure is observed in hollow carbon nanosphere while not in loose and mesoporous carbon nanospheres. (d) Variation of compressive force with displacement loading. Comparisons between experiment and FEA show a good agreement in key features.
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