Diamond (Natural Single Crystal Type IIa) vs Diamond-Like Carbon (ta-C tetrahedral amorphous carbon)
Property comparison of Diamond (Natural Single Crystal Type IIa) and Diamond-Like Carbon (ta-C tetrahedral amorphous carbon), both carbon graphite.
| Property | Diamond (Natural Single Crystal Type IIa) | Diamond-Like Carbon (ta-C tetrahedral amorphous carbon) | Difference |
|---|---|---|---|
| Poisson ratio | 0.07 | 0.2 | +186% |
| Density | 3,510 kg/m³ | 3,100 kg/m³ | -12% |
| Thermal conductivity | 2,200 W/m·K | 3.5 W/m·K | -100% |
| Specific heat | 509 J/kg·K | 600 J/kg·K | +18% |
| Coefficient of thermal expansion | 0.000001 1/K | 0.000001 1/K | 0% |
Difference is Diamond-Like Carbon (ta-C tetrahedral amorphous carbon) relative to Diamond (Natural Single Crystal Type IIa). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
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