国家自然科学基金(60976008)

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Electron mobility limited by surface and interface roughness scattering in Al_xGa_(1-x)N/GaN quantum wells
《Chinese Physics B》2013年第7期459-462,共4页王建霞 杨少延 王俊 刘贵鹏 李志伟 李辉杰 金东东 刘祥林 朱勤生 王占国 
the National Natural Science Foundation of China(Grant Nos.91233111,11275228,60976008,61006004,61076001,and 10979507);the National Basic Research Program of China(Grant No.2012CB619305);the National High Technology Research and Development Program of China(Grant No.2011AA03A101)
The electron mobility limited by the interface and surface roughness scatterings of the two-dimensional electron gas in AlxGa1-xN/GaN quantum wells is studied. The newly proposed surface roughness scattering in the Al...
关键词：AlGaN/GaN quantum wells surface roughness scattering polarization fields mobility 
Spacer layer thickness fluctuation scattering in a modulation-doped Al_xGa_(1-x)As/GaAs/Al_xGa_(1-x)As quantum well
《Chinese Physics B》2012年第10期435-438,共4页谷承艳 刘贵鹏 时凯 宋亚峰 李成明 刘祥林 杨少延 朱勤生 王占国 
Project supported by the National Natural Science Foundation of China (Grant Nos. 60976008,61006004,61076001,and10979507);the National Basic Research Program of China (Grant No. A000091109-05);the National High Technology Research and Development Program of China (Grant No. 2011AA03A101)
We theoretically study the influence of spacer layer thickness fluctuation（SLTF） on the mobility of a twodimensional electron gas（2DEG） in the modulation-doped Al x Ga 1 x As/GaAs/Al x Ga 1 x As quantum well.The d...
关键词：spacer layer thickness fluctuation scattering interface roughness scattering 2DEG mobility 
Plasmons in a free-standing nanorod with a two-dimensional parabolic quantum well caused by surface states
《Chinese Physics B》2012年第5期583-590,共8页宋亚峰 吕燕伍 文伟 刘祥林 杨少延 朱勤生 王占国 
Project supported by the National Natural Science Foundation of China(Grant Nos.60976008,61006004,61076001,and 10979507);the National Basic Research Program of China(Grant No.A000091109-05);the National High Technology Research and Development Program of China(Grant No.2011AA03A101)
The collective charge density excitations in a free-standing nanorod with a two-dimensional parabolic quantum well are investigated within the framework of Bohm-Pine＇s random-phase approximation in the two-subband mo...
关键词：PLASMONS two-dimensional parabolic quantum well terahertz nanodevices nanorod 
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