Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. Preparation of the diffusion couple.
  • Fig. S2. Berkovich nanoindentation was performed across the Si diffusion zone and the undoped boron carbide within one boron carbide grain.
  • Fig. S3. Berkovich nanoindentation results for undoped and Si-doped boron carbides.
  • Fig. S4. TEM observation of indented undoped and Si-doped boron carbides.
  • Fig. S5. Orientation maps of the quasi-plastic zones of undoped and Si-doped boron carbides.

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