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| Line 14: | Line 14: | ||
| Bandgap<br /> | | Bandgap<br /> | ||
| eV<br /> | | eV<br /> | ||
| PL<br /> | |||
| 3.44<br /> | | 3.44<br /> | ||
| <br /> | | <br /> | ||
| <br /> | | <br /> | ||
| Line 21: | Line 21: | ||
| Electron mobility<br /> | | Electron mobility<br /> | ||
| cm<sup>2</sup>/V s<br /> | | cm<sup>2</sup>/V s<br /> | ||
| <br /> | |||
| 1350(300K)<br /> | | 1350(300K)<br /> | ||
| <br /> | | <br /> | ||
| <br /> | | <br /> | ||
| Line 28: | Line 28: | ||
| Hole mobility<br /> | | Hole mobility<br /> | ||
| cm<sup>2</sup>/V s<br /> | | cm<sup>2</sup>/V s<br /> | ||
| <br /> | |||
| 13(300K)<br /> | | 13(300K)<br /> | ||
| <br /> | | <br /> | ||
| <br /> | | <br /> | ||
| Line 35: | Line 35: | ||
| Melting point<br /> | | Melting point<br /> | ||
| K<br /> | | K<br /> | ||
| thermal couple<br /> | |||
| 2573<br /> | | 2573<br /> | ||
| <br /> | | <br /> | ||
| <br /> | | <br /> | ||
| Line 42: | Line 42: | ||
| Lattice constants<br /> | | Lattice constants<br /> | ||
| nm<br /> | | nm<br /> | ||
| X-ray diffraction<br /> | |||
| a=0.319;c=0.518<br /> | | a=0.319;c=0.518<br /> | ||
| <br /> | | <br /> | ||
| <br /> | | <br /> | ||
| Line 49: | Line 49: | ||
| Thermal conductivity<br /> | | Thermal conductivity<br /> | ||
| W/cm K<br /> | | W/cm K<br /> | ||
| <br /> | |||
| 2.1<br /> | | 2.1<br /> | ||
| <br /> | | <br /> | ||
| <br /> | | <br /> | ||
| Line 56: | Line 56: | ||
| Heat capacity<br /> | | Heat capacity<br /> | ||
| J/mol K<br /> | | J/mol K<br /> | ||
| <br /> | |||
| 35.3<br /> | | 35.3<br /> | ||
| <br /> | | <br /> | ||
| <br /> | | <br /> | ||
| Line 63: | Line 63: | ||
| Elastic modulus<br /> | | Elastic modulus<br /> | ||
| GPa<br /> | | GPa<br /> | ||
| <br /> | |||
| 210<br /> | | 210<br /> | ||
| <br /> | | <br /> | ||
| <br /> | | <br /> | ||
Revision as of 18:00, 10 October 2013
Figures of Merit for GaN substrates
| Property | Units | Characterization Method | Industry range | Goal | Reference/hyperlink |
|---|---|---|---|---|---|
| Bandgap |
eV |
PL |
3.44 |
||
| Electron mobility |
cm2/V s |
1350(300K) |
|||
| Hole mobility |
cm2/V s |
13(300K) |
|||
| Melting point |
K |
thermal couple |
2573 |
||
| Lattice constants |
nm |
X-ray diffraction |
a=0.319;c=0.518 |
||
| Thermal conductivity |
W/cm K |
2.1 |
|||
| Heat capacity |
J/mol K |
35.3 |
|||
| Elastic modulus |
GPa |
210 |