| Ga0.51In0.49P | GaxIn1-xP | |
| Crystal structure | Zinc Blende | Zinc Blende |
| Group of symmetry | Td2-F43m | Td2-F43m |
| Number of atoms in 1 cm3 | 4.46·1022 | (3.96+0.98x)·1022 |
| Density | 4.47 g·cm-3 | 4.81-0.67x g·cm-3 |
| Dielectric constant (static) | 11.8 | 12.5-1.4x |
| Dielectric constant (high frequency) | 9.35 | 9.61-0.5x |
| Density-of-states electron mass mcd | 0.088 mo | 0.63+0.13x (x > 0.74) mo |
| Effective hole masses mh | 0.7 mo | 0.6+0.19x mo |
| Effective hole masses mlp | 0.12 mo | 0.09+0.05x mo |
| Electron affinity | 4.1 | 4.38-0.58x eV |
| Lattice constant | 5.653 A | 5.8687-0.4182x A |
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