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国家自然科学基金(60776047): 作品数：21被引量：39H指数：4; 导出分析报告; 相关作者：赵德刚周梅种明苏艳梅王晓勇更多>>; 相关机构：中国科学院中国农业大学更多>>; 相关期刊：《Chinese Physics B》《红外与激光工程》《Science China(Physics,Mechanics & Astronomy)》《Science China(Technological Sciences)》更多>>; 相关主题：GAN紫外探测器ALGAN量子效率P-更多>>; 相关领域：电子电信理学自动化与计算机技术一般工业技术更多>>

283nm背照射p-i-n型AlGaN日盲紫外探测器被引量：8: 《红外与激光工程》2013年第4期1011-1014,共4页王晓勇种明赵德刚苏艳梅; 国家自然科学基金(60776047);国家863计划(2007AA03Z401); 实验中使用在蓝宝石衬底上用低压金属有机化学气相沉积(MOCVD)生长的AlGaN基p-i-n结构材料,通过对工艺流程的优化设计,制作了背照射p-i-n型AlGaN日盲紫外探测器,获得了较高的外量子效率。材料中p区和i区的Al组分为40%,n区Al组分为65%。...; 关键词：紫外探测器 ALGAN 日盲量子效率

p-GaN/p-AlxGa1-xN异质结界面处二维空穴气的性质及其对欧姆接触的影响被引量：2: 《物理学报》2012年第21期405-410,共6页王晓勇种明赵德刚苏艳梅; 国家自然科学基金(批准号:60776047);国家高技术研究发展计划(批准号:2007AA03Z401)资助的课题~~; 通过自洽求解一维泊松方程和薛定谔方程,得到了p-GaN/p-Al_xGa_(1-x)N异质结界面处的价带结构和二维空穴气(2DHG)分布,研究了A1组分和压电极化效应对界面处2DHG性质的影响,给出了异质界面处2DHG的面密度、浓度分布以及价带结构.实验结...; 关键词：p-AlGaN 压电极化二维空穴气欧姆接触

Distribution of electric field and design of devices in GaN avalanche photodiodes被引量：2: 《Science China(Physics,Mechanics & Astronomy)》2012年第4期619-624,共6页WU LiangLiang ZHAO DeGang DENG Yi JIANG DeSheng ZHU JianJun WANG Hui LIU ZongShun ZHANG ShuMing ZHANG BaoShun YANG Hui; supported by the National Science Fund for Distinguished Young Scholars (Grant No. 60925017);the National Natural Science Foundation of China (Grant Nos. 10990100,60836003 and 60776047); We have investigated the distribution of the electric field in p-i-n GaN avalanche photodiodes under different reverse bias values. type and separate absorption and multiplication （SAM） type We have also analyzed th...; 关键词：GAN avalanche photodiodes distribution of electric field

Optimization of the cavity facet coating in high power GaN-based semiconductor laser diodes被引量：1: 《Science China(Technological Sciences)》2012年第4期883-887,共5页FENG MeiXin ZHANG ShuMing JIANG DeSheng WANG Hui LIU JianPing ZENG Chang LI ZengCheng WANG HuaiBing WANG Feng YANG Hui; supported by the National Natural Science Foundation of China (Grant Nos.60506001,60976045,60836003,60776047 and 61076119) ;the National Basic Research Program of China ("973" Project) (Grant No. 2007CB936700);the National Science Foundation for Distinguished Yong Scholar (Grant No. 60925017); A method to calculate the reflectivity of the coated cavity facet was proposed, and the distribution of the optical power near the two coated cavity facets was calculated for GaN-based laser diodes. A new design metho...; 关键词：GaN-based laser diodes facet coating AR coating HR coating COD

The effects of sapphire nitridation on GaN growth by metalorganic chemical vapour deposition: 《Chinese Physics B》2011年第12期400-403,共4页乐伶聪赵德刚吴亮亮邓懿江德生朱建军刘宗顺王辉张书明张宝顺杨辉; Project supported by the National Natural Science Foundation for Distinguished Young Scholars of China (Grant No. 60925017);the National Natural Science Foundation of China (Grant Nos. 10990100,60836003,and 60776047);the National Basic Research Program of China (Grant No. 2007CB936700);the National High Technology Research and Development Program of China(Grant No. 2007AA03Z401); In situ optical reflectivity measurements are employed to monitor the GaN epilayer growth process above a lowtemperature GaN buffer layer on a c-plane sapphire substrate by metalorganic chemical vapour deposition. It ...; 关键词：X-ray diffraction metalorganic chemical vapour deposition nitrides

246nm p-i-n型背照AlGaN太阳盲紫外探测器的研制被引量：5: 《红外与激光工程》2011年第1期32-35,共4页颜廷静种明赵德刚张爽陈良惠; 国家自然科学基金资助项目(60776047);国家863计划资助项目(2007AA03Z401); 设计并制备出短波长p-i-n型背照AlGaN太阳盲紫外探测器,响应波段为225～255 nm,峰值波长为246nm。材料为在蓝宝石衬底上生长的背照式p-i-n型异质结结构,n型窗口层的AlxGa1-xN中的Al组分为71%,非故意掺杂吸收层中的Al组分为52%。零偏压...; 关键词：ALGAN 太阳盲紫外探测器面阵

Time delay in InGaN multiple quantum well laser diodes at room temperature: 《Chinese Physics B》2010年第12期305-309,共5页季莲江德生张书明刘宗顺曾畅赵德刚朱建军王辉段俐宏杨辉; Project supported by the National Natural Science Foundation of China (Grant Nos. 60976045,60506001,60836003 and 60776047);the National Basic Research Program of China (Grant No. 2007CB936700);the National Natural Science Foundation for Distinguished Young Scholars of China (Grant No. 60925017); This paper reports that a long delay between the beginning of pumping current pulse and the onset of optical pulse is observed in InGaN laser diodes. The delay time decreases as the pumping current increases, and the ...; 关键词：INGAN laser diode delay effect saturable absorber TRAPS

Evaluation of both composition and strain distributions in InGaN epitaxial film using x-ray diffraction techniques: 《Chinese Physics B》2010年第10期396-402,共7页郭希王辉江德生王玉田赵德刚朱建军刘宗顺张书明杨辉; Project supported by the National Natural Science Foundation of China (Grant Nos. 60506001, 60776047, 60976045, and 60836003);the National Basic Research Programme of China (Grant No. 2007CB936700);the National Natural Science Foundation for Distinguished Young Scholars (Grant No. 60925017); The composition and stain distributions in the InGaN epitaxial films are jointly measured by employing various x-ray diffraction （XRD） techniques, including out-of-plane XRD at special planes, in-plane grazing incid...; 关键词：INGAN In-plane grazing incidence x-ray diffraction reciprocal space mapping biaxialstrain

Microstructure and strain analysis of GaN epitaxial films using in-plane grazing incidence x-ray diffraction被引量：1: 《Chinese Physics B》2010年第7期471-478,共8页郭希王玉田赵德刚江德生朱建军刘宗顺王辉张书明邱永鑫徐科杨辉; supported by the National Natural Science Foundation of China (Grant Nos. 60506001,60776047,60976045 and 60836003);the National Basic Research Programme of China (Grant No. 2007CB936700);the National Science Foundation for Distinguished Young Scholars,China (Grant No. 60925017); This paper investigates the major structural parameters, such as crystal quality and strain state of （001）-oriented GaN thin films grown on sapphire substrates by metalorganic chemical vapour deposition, using an in...; 关键词：in-plane grazing incidence x-ray diffraction gallium nitride mosaic structure biaxialstrain

高阻氮化镓外延层的异常光吸收: 《物理学报》2010年第11期8048-8051,共4页刘文宝赵德刚江德生刘宗顺朱建军张书明杨辉; 国家自然科学基金(批准号:60776047,60506001,60476021,60576003,60836003)资助的课题~~; 通过光伏谱(PV)的测量发现,采用MOCVD方法生长的非故意掺杂GaN外延膜,电阻较大的样品在带隙内有明显的异常光吸收.吸收峰的能量位置表明这种异常吸收可能与激子有关.在这些高阻样品上制作的MSM型探测器,当入射光照射不同位置,其光谱响...; 关键词：GAN 激子光伏谱光谱响应

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