Hao Zhang, Hui-Li Tang, Nuo-Tian He, Zhi-Chao Zhu, Jia-Wen Chen, Bo Liu, Jun Xu. Growth and physical characterization of high resistivity Fe: β-Ga2O3 crystals[J]. Chinese Physics B, 2020, 29(8):
- Chinese Physics B
- Vol. 29, Issue 8, (2020)
Fig. 1. The 0.02 mol% Fe: β -Ga2O3 single crystal.
Fig. 2. The XRD patterns of β -Ga2O3 and Fe: β -Ga2O3 crystals.
Fig. 3. XRD rocking curve of 0.02 mol% Fe: β -Ga2O3 wafer.
Fig. 4. Room-temperature optical transmission spectra (a) and absorption edges (b) of 0.02 mol%, 0.05 mol%, and 0.08 mol% Fe-doped β -Ga2O3 crystals.
Fig. 5. The I –V curves of 0.02 mol%, 0.05 mol%, and 0.08 mol% Fe: β -Ga2O3 crystals.
Fig. 6. Temperature-dependent resistivity of 0.08 mol% Fe: β -Ga2O3 crystal from 100 °C to 550 °C.
Fig. 7. Temperature-dependent specific heat of 0.02 mol% Fe: β -Ga2O3 crystal.
Fig. 8. Temperature-dependent thermal diffusivity of 0.02 mol% Fe: β -Ga2O3 crystal along the [100] direction.
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Table 1. Influences of the Fe dopant on the optical bandgap and resistivity.
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