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- W3186798012 abstract "A new device structure, which includes a Ga <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sub> O <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</sub> current blocking layer (CBL) and a Ga <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sub> O <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</sub> surface passivation layer (SPL), is used to fabricate a GaN-based light-emitting diode (LED). Due to the inherent properties of Ga <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sub> O <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</sub> material, the current spreading phenomenon can be effectively improved and the surface leakage current and Fresnel reflection can be remarkably reduced. The appropriate thicknesses of the Ga <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sub> O <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</sub> CBL and SPL, according to the results from series experiments, are 10 and 50 nm, respectively. In an experiment, under an injection current density of 100 A/cm <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sup> , the studied LED device with a 10 nm-thick Ga <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sub> O <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</sub> CBL and a 50 nm-thick Ga <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sub> O <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</sub> SPL shows enhancements of 76.8%, 60.7%, 76.8%, and 56.2% in light output power (LOP), luminous efficacy, external quantum efficiency (EQE), and wall-plug efficiency, respectively, in comparison to a conventional LED without the designed structure. In addition, the studied LED exhibits obvious improvement in far-field radiation pattern compared to the conventional LED device. Thus, the studied structure, which includes an appropriate Ga <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sub> O <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>3</sub> CBL and SPL, offers a promising route to fabricate high-performance GaN-based LEDs." @default.
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- W3186798012 date "2021-08-01" @default.
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- W3186798012 title "Study of a GaN-Based Light-Emitting Diode With a Ga₂O₃ Current Blocking Layer and a Ga₂O₃ Surface Passivation Layer" @default.
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