国家自然科学基金(50971011)

作品数：5被引量：6H指数：1
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相关期刊：《Science China(Physics,Mechanics & Astronomy)》《Chinese Physics B》《Progress in Natural Science:Materials International》更多>>
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Ferromagnetism in one-dimensional Hubbard model induced by the next-nearest-neighbor hopping at electron density 3/2
《Chinese Physics B》2014年第11期450-453,共4页杨媛媛 张健 潘晖 王海龙 
supported by the State Key Laboratory of Software Development Environment,China(Grant No.SKLSDE-2013ZX-21);the National Natural Science Foundation of China(Grant No.50971011);the Beijing Natural Science Foundation,China(Grant No.1102025)
Ferromagnetism in the one-dimensional Hubbard model with the next-nearest-neighbor hopping is explored by using the exact-diagonalization method in a small cluster and the equation-of-motion method in the thermodynami...
关键词：FERROMAGNETISM frustration effect random phase approximation 
Focused ion beam built-up on scanning electron microscopy with increased milling precision被引量：1
《Science China(Physics,Mechanics & Astronomy)》2012年第4期625-630,共6页LUO Hu WANG HaiLong CUI YiMin WANG RongMing 
supported by the National Natural Science Foundation of China (Grant No. 50971011);Beijing Natural Science Foundation (Grant No. 1102025);Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20091102110038);the Fundamental Research Funds for the Central Universities (Grant No. 11174023)
In this work,a focused ion beam(FIB)-scanning electron microscopy(SEM) dual beam system was successfully built by integrating a FIB column and a graphics generator onto a SEM.Real-time observation can be realized by S...
关键词：FIB-SEM dual beam system milling precision INCREASE numerical simulation 
Point defects in L1_0 FePt studied by molecular dynamics simulations based on an analytic bond-order potential被引量：1
《Science China(Physics,Mechanics & Astronomy)》2011年第8期1429-1432,共4页DONG Hao SHU XiaoLin WANG RongMing 
supported by the National Natural Science Foundation of China (Grant No. 50971011);the Beijing Natural Science Foundation (Grant No. 1102025);the Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20091102110038)
The point defects and their related physical properties in L10 FePt are investigated by molecular dynamics simulations based on an analytic bond-order potential. The calculated results agree well with the experimental...
关键词：analytic bond-order potential FEPT point defects molecular dynamics simulation 
Growth and micromagnetic simulation of magnetite nanoparticles被引量：1
《Science China(Physics,Mechanics & Astronomy)》2011年第7期1208-1212,共5页ZHAO SuFen SUN Qian WANG RongMing HAN YuNan 
supported by the National Natural Science Foundation of China (Grant No. 50971011);Beijing Natural Science Foundation (Grant No. 1102025);Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20091102110038)
Magnetite nanoparticles with different sizes and different assemblies were synthesized via hydrothermal method.Micromagnetic simulation shows the magnetite nanocubes with different sizes have different energy states,w...
关键词：Fe3O4 nanoparticles micromagnetic simulation ASSEMBLE magnetization distribution 
Improvement of fabrication precision of focused ion beam by introducing simultaneous electron beam被引量：3
《Progress in Natural Science:Materials International》2010年第1期111-115,共5页Hu LUO,Ran JING,Yi-min CUI,Hai-long WANG,Rong-ming WANG Key Laboratory of Micro-Nano Measurement-Manipulation and Physics,Ministry of Education, Department of Physics,Beijing University of Aeronautics and Astronautics,Beijing 100191,China 
Project(50971011) supported by the National Natural Science Foundation of China;Project(1102025) supported by Beijing Natural Science Foundation;Project(20091102110038) supported by the Research Fund for the Doctoral Program of Higher Education of China
The introduction of electron beam(EB)brings features of both simultaneous observation of ion milling process and improvement of ion-milling accuracy in a dual beam system consisting of focused ion beam(FIB)and scannin...
关键词：FABRICATION line WIDTH numerical simulation SIMULTANEOUS ELECTRON beam COULOMB interaction 
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