国家自然科学基金(s61078057)

作品数：6被引量：3H指数：1
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相关期刊：《Chinese Physics B》《Science China(Physics,Mechanics & Astronomy)》《Science China(Technological Sciences)》更多>>
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Stability range of tilted dendritic arrays during directional solidification被引量：1
《Science China(Technological Sciences)》2014年第12期2530-2535,共6页XING Hui ZHAO Xiao Bin DUAN Pei Pei CHEN Chang Le CHEN Zhi JIN Ke Xin 
supported by the National Natural Science Foundation of China(Grant Nos.61078057 and 51172183);the Natural Science Foundation of Shaanxi Province in China(Grant No.2012JQ8013);the Fundamental Research Funds for the Central Universities(Grant Nos.3102014KYJD026 and JC20120246);the grant from the Program of New Staff and Research Area Project of NPU(Grant No.13GH014602)
The stability range of primary spacing of the tilted dendritic arrays in directional solidification has been studied by quantitative phase-field simulations. Results show that both the real growth direction and morpho...
关键词：directional solidification stability range titled growth phase-field model 
Dendrite to symmetry-broken dendrite transition in directional solidification of non-axially oriented crystals
《Chinese Physics B》2014年第3期566-571,共6页邢辉 王建元 陈长乐 金克新 杜立飞 
Project supported by the National Natural Science Foundation of China(Grant Nos.61078057 and 51172183);the National Natural Science Foundation of Shaanxi Province,China(Grant No.2012JQ8013);the Aviation Foundation of China(Grant No.2011ZF53065);the NPU Foundation for Fundamental Research,China(Grant Nos.NPU-FFR-JC20110273 and JC201155)
In this paper, the morphological transition from dendrite to symmetry-broken dendrite is investigated in the directional ;olidification of non-axially-oriented crystals using a quantitative phase-field model. The effe...
关键词：directional solidification phase-field simulations symmetry broken 
Transport and magnetoresistance effect in an oxygen-deficient SrTiO_3/La_(0.67)Sr_(0.33)MnO_3 heterojunction
《Chinese Physics B》2013年第12期422-425,共4页王晶 陈长乐 杨世海 罗炳成 段萌萌 金克新 
Project supported by the National Natural Science Foundation of China(Grant Nos.61078057,51172183,and 51202195);the Natural Science Foundation of Shaanxi Province,China(Grant No.2012JQ8013);the Aviation Foundation of China(Grant No.2011ZF53065);the Foundation for Fundamental Research of Northwestern Polytechnical University(NPU),China(Grant Nos.JC201155,JC201271,and JC20120246)
An oxygen-deficient SrTiO3/La0.67Sr0.33MnO3 heterojunction is fabricated on an SrTiO3 （001） substrate by a pulsed laser deposition method. The electrical characteristics of the heterojunction are studied systematica...
关键词：semiconductors multilayer structure electrical properties magnetoresistance 
High-pressure phonon dispersion of copper by using the modified analytic embedded atom method被引量：2
《Chinese Physics B》2013年第9期520-524,共5页张晓军 陈长乐 凤飞龙 
supported by the National Natural Science Foundation of China (Grant Nos. 61078057 and 11204227);the Scientific Research Program of Education Department of Shaanxi Province, China (Grant No. 12JK0958)
By using the Born-von Kfirmfin theory of lattice dynamics and the modified analytic embedded atom method, we reproduce the experimental results of the phonon dispersion in fcc metal Cu at zero pressure along three hig...
关键词：phonon dispersion high pressure SIMULATION modified analytic embedded atom method 
Morphological evolution of the solid-liquid interface near grain boundaries during directional solidification
《Science China(Physics,Mechanics & Astronomy)》2011年第12期2174-2180,共7页XING Hui WANG CaiFang WANG JianYuan CHEN ChangLe 
supported by the National Natural Science Foundation of China (Grant Nos.61078057 and 51172183);NPU Foundation for Fundamental Research (Grant Nos.NPU-FFR-JC201048 and JC201155);the Science & Technology Program of Shanghai Maritime University (Grant No.20110054);the Project of the Excellent Youth of Shanghai (WANG CaiFang)
Morphological evolution of the solid-liquid interface near grain boundaries has been studied during directional solidification of succinonitrile-based transparent alloys (SCN-0.9wt%DCB). Experimental results show that...
关键词：grain boundary solid-liquid interface directional solidification growth directions 
Magnetic properties of Co-doped SnO:first-principles calculations
《Chinese Physics B》2011年第5期342-346,共5页谭兴毅 陈长乐 金克新 曹先胜 邢辉 
Project supported by the National Natural Science Foundation of China (Grant Nos. 61078057 and 50702046);the Northwestern Polytechnical University "Aoxiang Star" Project;the Northwestern Polytechnical University Foundation for Fundamental Research of China (Grant No. NPU-FFR-JC200821/JC201048)
Based on density functional theory calculations, the electronic and magnetic properties oi Co-duped SnO are investigated. It is found that the spin-polarized state, with a magnetic moment of about 1.0 μB per Co-dopan...
关键词：dilute magnetic semiconductors p-type SnO first-principles calculations 
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