共被期刊论文引用了4次
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| 1 | Chip formation dependence of machining velocities in nano-scale by molecular dynamics simulations显示文摘In this study, molecular dynamics simulations were carried out to study the effect of machining velocities on the mechanism of chip formation in nano-metric copper. A wide range of cutting velocities was performed from 10 to 2000 m/s, and the microstructure's evolution from a crystalline state to an amorphous state was studied. At the low machining velocity, dislocations were generated from the surface in front of the tool, and the immobile dislocation deduced by the cross slip of dislocation was observed. At the high machining velocity, no crystal dislocation nucleated, but instead disorder atoms were found near the tool. Temperature near the tool region increased with the increasing machining velocities, and the temperature had an important effect on the phase transition of the crystal structure. | SU Hao TANG Qi Heng | 2014 | Science China(Technological Sciences)2014，57，12： | 5 |
| 2 | Large-scale assembly of Cu/CuO nanowires for nano-electronic device fabrication显示文摘To improve the efficiency of nano-electronic device fabrication,a new method named floating electrical potential assembly is proposed to realize large-scale assembly of Cu/CuO nanowires.The simulation of floating electrical potential distribution on the micro-electrode chip is performed by COMSOL software,and the simulation result shows that the coupled electrical potential on the floating drain electrodes is very close to the original electrical potential applied on the gate electrode,which means that the method can provide di-electrophoresis(DEP)force for all the electrode pairs at one time,thus realizing large-scale assembly at one time.With Cu/CuO nanowires well dispersed and micro-electrode chip fabrication,nanowires assembly experiments are performed and the experimental results show that Cu/CuO nanowires are assembled at hundreds of micro-electrodes pairs at one time,and the success rate of nanowires assembly also reaches 90%. | XU Ke TIAN XiaoJun YU HaiBo YANG Yang ZHOU Lei LIU LianQing | 2014 | Science China(Technological Sciences)2014，57，4： | 2 |
| 3 | 基于AFM推动的纳米棒建模与操作显示文摘研究了AFM推动作用下纳米棒的运动情况,引入了与速度相关的黏滞摩擦力,建立了纳米棒体的运动学模型.在运动学模型的基础上,针对AFM单探针及纳米环境操作不确定性问题,对AFM探针操作参数的设置进行了讨论,提出了虚拟纳米手Z字形稳定操作策略.仿真及实验结果表明:纳米棒的运动学模型能够实时预测推动操作后棒体的瞬心位置,虚拟纳米手Z字形操作策略能够将棒体的位置误差限制在规定误差范围内,实现了纳米棒的稳定、定姿态操作. | 吴成东 侯静 董再励 李孟歆 | 2013 | 东北大学学报(自然科学版)2013，34，4： | 0 |
| 4 | Detecting the electrical conductivity of single walled carbon nano-tubes by a DFM detection system显示文摘Rare SWCNT materials contain both metallic SWCNT(m-SWCNT)and semi-conducting SWCNT(s-SWCNT).Since mSWCNT and s-SWCNT have very different applications,it is necessary to differentiate them so as to further separate them for more efficient CNT utilization.To achieve this goal,the authors established a dielectric force microscope(DFM)detection system to differentiate s-SWCNT from m-SWCNT,based on different 2 force decided by SWCNT’s conductivity under AC electric field.The experimental results showed that s-SWCNT can be clearly differentiated from m-SWCNT.The statistics analysis shows that the detected number proportion of s-SWCNT to m-SWCNT matches the well-known proportion 2:1 in the normally prepared CNT materials.The above results strongly verified the effectiveness of the detection system. | ZHAO ZengXu TIAN XiaoJun LIU Jie DONG ZaiLi WANG YueChao | 2014 | Science China(Technological Sciences)2014，57，1： | 0 |
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