Science Advances

Supplementary Materials

This PDF file includes:

  • fig. S1. Monotonic tensile straining of a VLS-grown Si nanowire under an optical microscope.
  • fig. S2. Additional details about sample clamping and gauge length/strain measurement.
  • Legends for movies S1 to S5

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Other Supplementary Material for this manuscript includes the following:

  • movie S1 (.mp4 format). Monotonic tensile test of a VLS-grown Si nanowire inside a scanning electron microscope (as shown in Fig. 2, A to G); video speed is played at ~3× speed.
  • movie S2 (.mp4 format). Loading–partially unloading tensile test of a VLS-grown Si nanowire with increased strain values until finally fractured at a stress of ~20 GPa; video speed is played at ~10× speed.
  • movie S3 (.mp4 format). Loading–fully unloading tensile test of a VLS-grown Si nanowire inside a scanning electron microscope (as shown in Fig. 2, H and I); video speed is played at ~9× speed.
  • movie S4 (.mp4 format). Loading–fully unloading tensile test of a VLS-grown Si nanowire in ambient environment under an optical microscope (as shown in Fig. 3); video speed is played at ~8× speed.
  • movie S5 (.mp4 format). Monotonic tensile test of a top-down etcheed Si nanowire (as shown in Fig. 4, B and C); video speed is played at ~2× speed.

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