National Natural Science Foundation of China(61574114,61774121);National Key Research and Development Program of China(2016YFB0400801);Fundamental Research Funds for the Central Universities(Z201805198).
A full structure 290 nm ultraviolet light emitting diode(UV-LED)with a nanoporous n-AlGaN underlayer was fabricated by top via hole formation followed by high-voltage electrochemical etching.The 20 to 120 nm nanopores...
National Key Research;and Development Program of China(2016YFB0400802);National Natural Science Foundation of China(61704176,61974149);Key Research and Development Program of Zhejiang Province(2019C01080,2020C01145);Ningbo Innovation 2025 Major Project(2018B10088,2019B10121).
We report on the carrier dynamic and electronic structure investigations on AlGaN-based deep-ultraviolet multiple quantum wells (MQWs)with lateral polarity domains.The localized potential maximum is predicted near the...
This study considered the design of an efficient, high brightness polar InGaN/GaN light emitting diode (LED) structure with A1GaN capping layer for green light emission. The deposition of high In (〉 15%) composit...
Project supported by the National Key Basic Research Program of China(Grant No.2011CBA00606);Program for New Century Excellent Talents in University,China(Grant No.NCET-12-0915);the National Natural Science Foundation of China(Grant No.61334002)
A C-band high efficiency and high gain two-stage power amplifier based on A1GaN/GaN high electron mobility transistor (HEMT) is designed and measured in this paper. The input and output impedances for the optimum po...
Unintentionally doped AIGaN layers, which were co.implanted with 400 keV Tb+ ions and 200keV Cr+ ions at doses of 1.5×1015cm-2, have been rapid thermally annealed at 800℃ and 900℃ for 5 min in flowing N2, Compare...
Project supported by the National Natural Science Foundation of China(Nos.60890192,60876009).
An enhancement-mode AlGaN/GaN HEMT with a threshold voltage of 0.35 V was fabricated by fluorine plasma treatment.The enhancement-mode device demonstrates high-performance DC characteristics with a saturation current ...