| Ga0.47In0.53As | GaxIn1-xAs | Remarks | Referens | |
| Crystal structure | Zinc Blende | Zinc Blende | 300 K | |
| Group of symmetry | Td2-F43m | Td2-F43m | 300 K | |
| Number of atoms in 1 cm3 | 3.98·1022 | (3.59-0.83x)·1022 | 300 K | |
| Bulk modulus | 6.62·1011 dyn/cm2 | (5.81+1.72x)·1011 dyn/cm2 | 300 K | Goldberg Yu.A. & N.M. Schmidt (1999) |
| Debye temperature | 330 K | (280+110x) K | 300 K | |
| Density | 5.50 g·cm-3 | (5.68-0.37x) g·cm-3 | 300 K | |
| Melting point, Tm | ~= 1100° C | |||
| Specific heat | 0.3 J g-1°C -1 | 300 K | ||
| Thermal conductivity | 0.05 W cm-1 °C -1 |
see Temerature dependences | ||
| Thermal expansion coefficient, linear | 5.66x10-6 °C -1 | see Temerature dependences | ||
| Dielectric constant (static) | 13.9 | 15.1-2.87x+0.67x2 | 300 K | |
| Dielectric constant (high frequency) | 11.6 | 12.3-1.4x | 300 K | |
| Infrared refractive index n | 3.43 cm2 V-1s-1 | (3.51-0.16x ) V-1s-1 | 300 K | |
| Radiative recombination coefficient | 0.96 x 10-10 cm2/s | see Impact Ionization | 300 K | |
| Energy gaps, Eg |
0.74 eV |
(0.36+0.63x+0.43x2) eV (0.4105+0.6337x+0.475x2) eV |
300 K 2 K |
Goetz et al.(1983) |
| Effective electron mass me | 0.041 mo (at n= 2·1017 cm-3) | (0.023+0.037x+0.003x2) mo | 300 K | Pearsall (1982) |
| Effective hole masses mh | 0.45 mo | (0.41+0.1x) mo | 300 K | Goldberg Yu.A. & N.M. Schmidt (1999) |
| Effective hole masses mlp | 0.052 mo | (0.026+0.056x) mo | 300 K | |
| Effective hole masses (split-off band) mso | ~= 0.15 mo | 300 K | ||
| Electron affinity | 4.5 eV | (4.9-0.83x) eV | 300 K | |
| Lattice constant | 5.8687 A | (6.0583-0.405x) A | 300 K | |
| Piezoelectric constant | e14= -(0.045+0.115x) C/m2 | 300 K | ||
| Optical phonon energy | 34 meV | see Raman-active phonon modes | 300 K |