Absorption coefficient of Bulk III-V semiconductor materials: A review on methods, properties and future prospects

Lee, Hui Jing and Gamel, Mansur Mohammed Ali and Ker, Pin Jern and Jamaludin, Md Zaini and Wong, Yew Hoong and David, John P. R. (2022) Absorption coefficient of Bulk III-V semiconductor materials: A review on methods, properties and future prospects. Journal of Electronic Materials, 51 (11, SI). pp. 6082-6107. ISSN 0361-5235, DOI https://doi.org/10.1007/s11664-022-09846-7.

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Abstract

Over the last few decades, research works have focused on elucidating the optical properties of semiconductor materials. Despite remarkable progress in the measurement and calculation of the absorption coefficient for semiconductor materials, there is a lack of comprehensive review on the comparative study of absorption coefficient properties for different types of bulk semiconductor materials and their methods for calculating the absorption coefficient. Hence, this paper summarizes the fundamentals of the various methods used to determine the absorption coefficient properties of bulk growth semiconductor crystals, and discusses their advantages and disadvantages. Furthermore, this review provides comprehensive results from recent studies and findings on the absorption properties of near- to mid-infrared (wavelengths from 800 to 7300 nm) group III-V semiconductor materials. In addition, the absorption coefficient of the conventional group IV semiconductors (silicon and Ge) were included for performance comparison. Critical analysis was done for the reviewed materials concerning their material properties, such as band gap structure, crystal quality, and the structural design of the device. The related studies on the methods to determine the absorption coefficients of semiconductors and to improve the likelihood of absorption performance were well highlighted. This review also provides an in-depth discussion on the knowledge of absorption coefficient based on a wide range of semiconductor materials and their potential for sensors, photodetectors, solar and photovoltaic application in the near to mid infrared region. Lastly, the future prospects for research on absorption coefficients are discussed and the advancement in the determination of absorption coefficients for new ternary and quaternary materials is proposed using artificial intelligence such as neural networks and genetic algorithm.

Item Type: Article
Funders: Tenaga Nasional Berhad Seeding Fund [U-TG-RD-18-04], UNITEN BOLD grant [J510050002/2022019]
Uncontrolled Keywords: Semiconductor material; Absorption coefficient; Ternary; Quaternary
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 12 Sep 2023 03:30
Last Modified: 12 Sep 2023 03:30
URI: http://eprints.um.edu.my/id/eprint/41172

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