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Room-temperature printing of ultrathin Quasi-2D GaN semiconductor via liquid metal gallium surface confined nitridation reaction by Li, Qian; Du, Bang-Deng; Gao, Jian-Ye; Xing, Bao-Yu; Wang, Dian-Kai; Ye, Ji-Fei; Liu, Jing is a scholarly article available to read on EtoBox.

What is Room-temperature printing of ultrathin Quasi-2D GaN semiconductor via liquid metal gallium surface confined nitridation reaction about?

Outstanding wide-bandgap semiconductor material such as gallium nitride (GaN) has been extensively utilized in power electronics, radiofrequency amplifiers, and harsh environment devices. Due to its quantum confinement effect in enabling desired deep-ultraviolet emission, excitonic impact, and electronic transport features, two-dimensional (2D) or ultrathin quasi-2D GaN semiconductors have been one of the most remarkable candidates for future growth of microelectronic devices. Here, for the first time, we reported a large area, wide bandgap, and room-temperature quasi-2D GaN synthesis and printing strategy through introducing the plasma medicated liquid metal gallium surface-confined nitridation reaction mechanism. The developed direct fabrication and compositional process is consistent with various electronics manufacturing approaches and thus opens an easy going way for cost-effective growth of the third-generation semiconductor. In particular, the fully printed field-effect transistors relying on the GaN thus made show p-type switching with an on/off ratio greater than 105, maximum field-effect hole mobility of 53 cm2/(V*s), and a small sub-threshold swing. As it was demonstrate

Author

Li, Qian; Du, Bang-Deng; Gao, Jian-Ye; Xing, Bao-Yu; Wang, Dian-Kai; Ye, Ji-Fei; Liu, Jing

Published

2022

Language

EN