Effects of Mg Component Ratio on Photodetection Performance of MgGa2O4 Solar-Blind Ultraviolet Photodetectors

doi:10.1002/pssr.202200137

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	Effects of Mg Component Ratio on Photodetection Performance of MgGa2O4 Solar-Blind Ultraviolet Photodetectors
	Q. C. Hou; K. W. Liu; X. Chen; J. L. Yang; Q. Ai; Z. Cheng; Y. X. Zhu; B. H. Li; L. Liu and D. Z. Shen
	2022
发表期刊	Physica Status Solidi-Rapid Research Letters
ISSN	1862-6254
卷号	16 期号:8 页码:6
摘要	Mg x Ga2O4 epitaxial films with different Mg component ratios (x = 0.6, 0.8, 1, 1.1, and 1.4) and their metal-semiconductor-metal solar-blind ultraviolet (SBUV) photodetectors are prepared on c-face sapphire by metal-organic chemical vapor deposition (MOCVD). The structure, composition, crystalline quality, and optical properties of the Mg x Ga2O4 thin films have been investigated in detail. It can be found that five Mg x Ga2O4 thin films have the spinel structure with a similar bandgap of approximate to 5.15 eV, and the highest crystalline quality is observed in Mg x Ga2O4 with x = 1. Besides, photodetector based on Mg x Ga2O4 film with x = 1 has the highest responsivity, the largest UV-visible rejection ratio, and the fastest response speed. As the content of Mg deviates from the stoichiometric ratio of MgGa2O4, the crystalline quality of the Mg x Ga2O4 thin film is reduced, and their photoelectric response characteristics are deteriorated. This work indicates that MgGa2O4 is a promising candidate for the applications in high-performance solar-blind ultraviolet photodetectors.
DOI	10.1002/pssr.202200137
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收录类别	sci ; ei
语种	英语
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/66598
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Q. C. Hou,K. W. Liu,X. Chen,et al. Effects of Mg Component Ratio on Photodetection Performance of MgGa2O4 Solar-Blind Ultraviolet Photodetectors[J]. Physica Status Solidi-Rapid Research Letters,2022,16(8):6.
APA	Q. C. Hou.,K. W. Liu.,X. Chen.,J. L. Yang.,Q. Ai.,...&L. Liu and D. Z. Shen.(2022).Effects of Mg Component Ratio on Photodetection Performance of MgGa2O4 Solar-Blind Ultraviolet Photodetectors.Physica Status Solidi-Rapid Research Letters,16(8),6.
MLA	Q. C. Hou,et al."Effects of Mg Component Ratio on Photodetection Performance of MgGa2O4 Solar-Blind Ultraviolet Photodetectors".Physica Status Solidi-Rapid Research Letters 16.8(2022):6.

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