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| Remarks | Referens | ||
| Crystal structure | Wurtzite | ||
| Group of symmetry | C46v-P63mc | ||
| Number of atoms in 1 cm3 | 9.58·1022 | ||
| Debye temperature | 1150 K | ||
| Melting point | 3273 K | MacChesney et al. (1970) | |
| Density | 3.255 g cm-3 3.23 g cm-3 |
X-ray |
Slack (1973) Goldberg (2001) |
| Dielectric constant (static) | 9.14 | 300 K, reflectivity | Collins et al. (1967) |
| 8.5 | 300 K | Goldberg (2001) | |
| Dielectric constant (high frequency) | 4.84 4.6 4.77 |
300 K, reflectivity 300 K |
Collins et al. (1967) Goldberg (2001) |
| Infrared refractive index | 2.1 - 2.2 | 300 K, Epitaxial films and monocrystals | Meng, (1994) |
| 1.9 - 2.1 | 300 K, Polycrystalline films | ||
| 1.8 - 1.9 | 300 K, Amorphous films | ||
| Effective electron mass me | 0.4 mo | 300 K | Xu and Ching (1993) |
| Effective hole masses (heavy) for kz direction mhz for kx direction mhx |
3.53 mo 10.42 mo |
300 K |
Suzuki & Uenoyama (1996) |
| Effective hole masses (light) for kz direction mlz for kx direction mlx |
3.53 mo 0.24 mo |
300 K |
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| Effective hole masses (split-off band) for kz direction msoz for kx direction msox |
0.25mo 3.81mo |
300 K |
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| Effective mass of density of state mv: | 7.26mo | 300 K | |
| Electron affinity | 0.6 eV | 300 K | Goldberg (2001) |
| Lattice constant, a | 3.11(1) A | 300 K; X-ray diffraction on ultrafine powder | Iwama, et al. (1971); Qian et al. (1996) |
|
3.112 A |
300 K | Goldberg (2001) | |
| Lattice constant, c | 4.98(1) A | 300 K; X-ray diffraction on ultrafine powder | Iwama, et al. (1971) |
| 4.982 A | 300 K | Goldberg (2001) | |
| 4.979 A | 300 K | Qian et al. (1996) | |
| Thermal diffusivity |
1.47 cm2 s-1 | ||
| Thermal conductivity | 2.85 W cm-1 °C -1 |
300 K. experiment | Slack et al. (1987) |
| Thermal expansion coefficient, linear | αort = αc = 5.27 x10-6 K-1 | T=20...800 °C. X-ray, epitaxial layers | Sirota & Golodushko (1974) also see Qian et al. (1996) |
α|| = αa =4.15 x10-6 K-1 |
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| Radiative recombination coefficient |
0.4 x 10-10 cm-1 s-1 | 300 K | |
| Optical phonon energy | 99.2 meV | 300 K |
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