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Review

Zinc Gallium Oxide—A Review from Synthesis to Applications

1
Department of Materials Science and Engineering, National Chung Hsing University, Taichung 40227, Taiwan
2
Department of Electronics Engineering, National Chiao Tung University, Hsinchu 30100, Taiwan
3
Innovation and Development Center of Sustainable Agriculture, National Chung Hsing University, Taichung 40227, Taiwan
*
Authors to whom correspondence should be addressed.
M.-I.C. and A.K.S. contributed equally to this work.
Nanomaterials 2020, 10(11), 2208; https://doi.org/10.3390/nano10112208
Submission received: 15 September 2020 / Revised: 11 October 2020 / Accepted: 28 October 2020 / Published: 5 November 2020
(This article belongs to the Section Inorganic Materials and Metal-Organic Frameworks)

Abstract

Spinel ZnGa2O4 has received significant attention from researchers due to its wide bandgap and high chemical and thermal stability; hence, paving the way for it to have potential in various applications. This review focuses on its physical, optical, mechanical and electrical properties, contributing to the better understanding of this material. The recent trends for growth techniques and processing in the research and development of ZnGa2O4 from bulk crystal growth to thin films are discussed in detail for device performance. This material has excellent properties and is investigated widely in deep-ultraviolet photodetectors, gas sensors and phosphors. In this article, effects of substrate temperature, annealing temperature, oxygen partial pressure and zinc/gallium ratio are discussed for device processing and fabrication. In addition, research progress and future outlooks are also identified.
Keywords: ZnGa2O4; spinel structure; wide-bandgap; photodetector; phosphor; gas sensor ZnGa2O4; spinel structure; wide-bandgap; photodetector; phosphor; gas sensor

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MDPI and ACS Style

Chen, M.-I.; Singh, A.K.; Chiang, J.-L.; Horng, R.-H.; Wuu, D.-S. Zinc Gallium Oxide—A Review from Synthesis to Applications. Nanomaterials 2020, 10, 2208. https://doi.org/10.3390/nano10112208

AMA Style

Chen M-I, Singh AK, Chiang J-L, Horng R-H, Wuu D-S. Zinc Gallium Oxide—A Review from Synthesis to Applications. Nanomaterials. 2020; 10(11):2208. https://doi.org/10.3390/nano10112208

Chicago/Turabian Style

Chen, Mu-I, Anoop Kumar Singh, Jung-Lung Chiang, Ray-Hua Horng, and Dong-Sing Wuu. 2020. "Zinc Gallium Oxide—A Review from Synthesis to Applications" Nanomaterials 10, no. 11: 2208. https://doi.org/10.3390/nano10112208

APA Style

Chen, M.-I., Singh, A. K., Chiang, J.-L., Horng, R.-H., & Wuu, D.-S. (2020). Zinc Gallium Oxide—A Review from Synthesis to Applications. Nanomaterials, 10(11), 2208. https://doi.org/10.3390/nano10112208

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