Affiliation:
1. Institute of Novel Semiconductors, State Key Lab of Crystal Materials Shandong University Jinan, Shandong 250100 P. R. China
2. Key Laboratory of Processing and Testing Technology of Glass & Functional Ceramics of Shandong Province, School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences) Jinan, Shandong 250353 P. R. China
3. School of Life Sciences Shandong First Medical University & Shandong Academy of Medical Sciences Taian, Shandong 271000 P. R. China
4. Shenzhen Research Institute Shandong University Shenzhen, Guangdong 518000 P. R. China
Abstract
AbstractAs a wide band gap semiconductor, gallium nitride (GaN) has high breakdown voltage, excellent structural stability and mechanical properties, giving it unique advantages in applications such as high frequency, high power, and high temperature. As a result, it has broad application prospects in optoelectronics and microelectronics. However, the lack of high‐quality, large‐size GaN crystal substrates severely limit the improvement of electronic device performance. To solve this problem, liquid phase growth of GaN has attracted much attention because it can produce higher quality GaN crystals compared to traditional vapor phase growth methods. This review introduces two main methods of liquid phase growth of GaN: the flux method and ammonothermal method, as well as their advantages and challenges. It reviews the research history and recent advances of these two methods, including the effects of different solvents and mineralizers on the growth quality and performance of GaN crystals, as well as various technical improvements. This review aims to outline the principles, characteristics, and development trends of liquid phase growth of GaN, to provide more inspiration for future research on liquid phase growth, and to achieve further breakthroughs in its development and commercial application.
Funder
Natural Science Foundation of Shandong Province
Natural Science Foundation of Jiangsu Province
National Natural Science Foundation of China
Natural Science Foundation of Guangdong Province
Subject
General Chemistry,Catalysis,Organic Chemistry