Browsing by Author "Mudiyanselage, Dinusha Herath"

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    A review of ultrawide bandgap materials: properties, synthesis and devices
    (Oxford University Press, 2022) Xu, Mingfei; Wang, Dawei; Fu, Kai; Mudiyanselage, Dinusha Herath; Fu, Houqiang; Zhao, Yuji
    Ultrawide bandgap (UWBG) materials such as diamond, Ga2O3, hexagonal boron nitride (h-BN) and AlN, are a new class of semiconductors that possess a wide range of attractive properties, including very large bandgap, high critical electric field, high carrier mobility and chemical inertness. Due to these outstanding characteristics, UWBG materials are promising candidates to enable high-performance devices for power electronics, ultraviolet photonics, quantum sensing and quantum computing applications. Despite their great potential, the research of UWBG semiconductors is still at a nascent stage and represents a challenging interdisciplinary research area of physics, materials science and devices engineering. In this review, the material properties, synthesis methods and device applications of UWBG semiconductors diamond, Ga2O3, h-BN and AlN will be presented and their recent progress, challenges and research opportunities will be discussed.