Zoekresultaten - Junjun Xue
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An Improved Design for Solar-Blind AlGaN Avalanche Photodiodes
Gepubliceerd in 2017-01-01Volledige tekstTo enhance the impact ionization coefficient of holes, we proposed an improved solar-blind AlGaN avalanche photodiode (APD) structure by using a low-Al-composition AlGaN multiplication layer and a filter based on periodic photonic crystal together with a composition graded interlayer between separat...
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AlGaN-Based Multiple Quantum Well Deep Ultraviolet Light-Emitting Diodes With Polarization Doping
Gepubliceerd in 2016-01-01Volledige tekstThe characteristics of AlGaN-based deep-ultraviolet (DUV) light-emitting diodes (LEDs) with polarization-doped p-type layers were numerically analyzed. The energy band diagrams, carrier distributions in the multiple quantum wells (MQWs) and the p-type regions, electroluminescence spectra, current-ve...
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Performance Modulation for Back-Illuminated AlGaN Ultraviolet Avalanche Photodiodes Based on Multiplication Scaling
Gepubliceerd in 2019-01-01Volledige tekstBack-illuminated Al<sub>0.1</sub>Ga<sub>0.9</sub>N ultraviolet avalanche photodiodes (APDs) of various multiplication widths were fabricated on AlN templates with a separate absorption and multiplication structure. The impacts of an increased multiplication scale on a device...
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