Meng-Qi Yang, Yu-Hang Ji, Qi Liang, Chang-Hao Wang, Yue-fei Zhang, Ming Zhang, Bo Wang, Ru-Zhi Wang. Preparation, doping modulation and field emission properties of square-shaped GaN nanowires [J]. Acta Physica Sinica, 2020, 69(16): 167805-1
- Acta Physica Sinica
- Vol. 69, Issue 16, 167805-1 (2020)
Fig. 1. FESEM images Mg doped GaN nanowires prepared at different source materials ratio. (a) Sample A-a; (b) sample A-b; (c) sample A-c; (d) sample A-d; (e) sample A-e.
Fig. 2. FESEM images Mg doped GaN nanowires prepared at different growth times. (a) Sample B-a; (b) sample B-b; (c) sample B-c; (d) sample B-d.
Fig. 3. XRD spectra of sample A-e.
Fig. 4. XPS spectra of sample A-e.
Fig. 5. (a) TEM image; (b) HRTEM image and SAED pattern (inset) of sample A-e.
Fig. 6. Schematic diagram of nucleation and growth for square-shaped GaN nanowires.
Fig. 7. (a) PL spectra of sample A-a and sample A-e; (b) band gap analysis spectra of sample A-e.
Fig. 8. (a) J-E curves; (b) F-N curves of sample A-a and sample A-e.
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Table 1.
The experimental parameter of preparing Mg doped GaN nanowiresat different source materials ratio.
不同原料配比制备Mg掺杂GaN纳米线的实验参数
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Table 2.
The experimental parameter of preparing Mg doped GaN nanowiresat different growth time.
不同生长时间制备Mg掺杂GaN纳米线的实验参数
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