Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. Dislocation energy as function of supercell size.
  • Fig. S2. Schematic of process for dislocation reaction with twin plane.
  • Fig. S3. Calculated shear stress–dependent activation energy of dislocation reaction with twin plane.
  • Fig. S4. Hardness of nt-diamond at grain size of 125 nm.
  • Table S1. Calculated kink energy Ef and activation energy Wm of kink migration for dislocation reactions by slip transfer mode.
  • Table S2. Fitted parameters used in Eq. 10.
  • Table S3. The parameters used to calculate the critical resolved shear stress of slip transfer mode, confined layer slip mode, and paralleled to twin plane slip mode.

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