Figure 5 : Variation of thermal conductivity for nanocrystalline diamond with different simulation model sizes.

From: Relative importance of grain boundaries and size effects in thermal conductivity of nanocrystalline materials

Figure 5

The temperature is 300 K, and the grain size is 2.43 nm. The simulation cells of Models 1, 2, 3 and 4 are 40Å × 40Å × 40Å, 80Å × 80Å × 80Å, 120Å × 120Å × 120Å, and 160Å × 160Å × 160Å, respectively. They contain 8, 64, 216 and 512 grains, respectively.