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- Title
Ultra-wide single crystal nanobelts of β-Ga<sub>2</sub>O<sub>3</sub> synthesized by carbothermal reduction.
- Authors
Chen, Haifeng; Ma, Ke; Lu, Qin; Li, Xiaoyang; Liu, Xiangtai; Hao, Yue
- Abstract
Synthesized β-Ga2O3 nanobelts have excellent electrical and optical properties. However, their widths are mostly limited to only a few microns or even tens of nanometers by far, which presents the big challenge for the fabrication of nanodevices and nanosensors. In this work, the β-Ga2O3 single crystal nanobelts synthesized by carbothermal reduction have the ultra-large widths which can reach up to 145 μm. Schottky barrier diode based on the nanobelt shows the impressive UV-induced rectifying characteristics due to ultra-low dark current of 100–200 fA at forward bias. At 5 V and 15 V, its ratios of current under 254 nm UV condition and that under dark condition are as high as 5 × 105 and 1.4 × 106, respectively. Meanwhile, the diode also has the high breakdown voltage of 240 V.
- Subjects
SCHOTTKY barrier diodes; SINGLE crystals; NANOBELTS; BREAKDOWN voltage; HIGH voltages; NANOSENSORS
- Publication
Applied Physics A: Materials Science & Processing, 2023, Vol 129, Issue 3, p1
- ISSN
0947-8396
- Publication type
Article
- DOI
10.1007/s00339-023-06459-7