国家自然科学基金(11204124)

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Effects of Si surficial structure on transport properties of La_(2/3)Sr_(1/3)MnO_3 films
《Chinese Physics B》2016年第10期287-292,共6页顾晓敏 王伟 周国泰 高凯歌 蔡宏灵 张凤鸣 吴小山 
supported by the National Natural Science Foundation of China(Grant Nos.U1332205,11274153,11204124,and 51202108)
LaSrMnOfilms are deposited on(001) silicon substrates,in which the silicon surfaces have artificially been treated into the scallops-like,pyramid-like,and smooth polishing structure,by pulsed laser deposition.The magn...
关键词:La_(2/3)Sr_(1/3)MnO_3 film silicon microstructure MAGNETORESISTANCE 
Investigations of the optical properties of Si surface with microwires for solar cell applications
《Chinese Physics B》2016年第2期528-532,共5页郦莉 吴仕良 虞栋 王伟 刘文超 吴小山 张凤鸣 
Project supported by the National Natural Science Foundation of China(Grant Nos.U1332205,11274153,11204124,and 11404091)
Combined with the rough textures which are usually used for fabricating the planar solar cells, textured-microwire(MW) structures(there are MW textures on the tops of MWs) are fabricated. Both simulative and exper...
关键词:MICROSTRUCTURE REFLECTIVITY silicon solar energy 
Epitaxial growth of Ge_(1-x)Sn_x films with x up to 0.14 grown on Ge(00l) at low temperature
《Chinese Physics B》2014年第8期591-594,共4页陶平 黄磊 Cheng H H 王焕华 吴小山 
Project supported by the National Natural Science Foundation of China(Grant Nos.11274153,11204124,and 51202108);the National Key Projects for Basic Research of China(Grant No.2010CB923404)
We characterize the structures of Ge1-xSnx films with x up to 0.14 grown on Ge (001) by molecular-beam epitaxy at low temperature. The results show that Ge1-xSnx films are fully strained even at high Sn composition....
关键词:GeSn films high resolution X-ray diffraction fully-strained Raman measurements 
Structural distortions and magnetisms in Fe-doped LaMn_(1-x) Fe_x O_3(0 <x≤ 0.6)
《Chinese Physics B》2013年第10期563-566,共4页郑龙 吴小山 
Project supported by the State Key Program for Basic Research of China (Grant No.2010CB923404);the National Natural Science Foundation of China (Grant Nos.11274153,11204124,and 51202108)
X-ray absorption spectra (XAS) at Mn K-edge and Fe K-edge in LaMnl-xFexO3 show that with the increase of Fe substitution the chemical valence of Mn4+ decreases, while the chemical valence of Fe3+ remains unchanged...
关键词:structural distortion X-ray absorption phase transition 
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