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首页> 外文会议>IEEE Annual International Conference on Cyber Technology in Automation, Control and Intelligent Systems >Simulation study on 3D trajectory of dielectrophoretic force assembled nanowires
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Simulation study on 3D trajectory of dielectrophoretic force assembled nanowires

机译：介电力组装纳米线的3D轨迹仿真研究。

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摘要

Nanoscale manipulation, which assembles nanostructures towards desired positions, plays a substantial role in the fabrication of nanowire based devices. Dielectrophoresis (DEP), the motion of dielectric particles inside a non-uniform electric field, is demonstrated to be an efficient method to manipulate nanowires. However, assembly of nanowires by DEP are investigated mainly through experimental observations, very little theoretical studies have been reported so far. In this work, the 3D trajectory of single nanowire assembled by DEP in nanofluid is analyzed and simulated. Polarized in the electric field, the motion of nanowire is determined by DEP force, DEP torque, and the torque generated by DEP forces. The nanofluid, on the other hand, applies hydrodynamic drag force and drag torque to hamper the nanowire's motion. A model involving all the forces and torques is constructed to guide the simulation of the nanowire's trajectory. Depending on its initial condition, the nanowire is predicted to either bridge the electrodes or attach on the surface of one electrode.
机译：将纳米结构组装到所需位置的纳米级操纵在基于纳米线的器件的制造中起着重要作用。介电电泳（DEP）是介电粒子在不均匀电场内的运动，被证明是一种操纵纳米线的有效方法。但是，DEP组装纳米线主要是通过实验观察来进行的，到目前为止，很少有理论研究报道。在这项工作中，分析和模拟了DEP在纳米流体中组装的单根纳米线的3D轨迹。在电场中极化后，纳米线的运动取决于DEP力，DEP扭矩和DEP力产生的扭矩。另一方面，纳米流体施加流体动力阻力和阻力以阻碍纳米线的运动。构建一个包含所有力和扭矩的模型，以指导纳米线轨迹的仿真。取决于其初始条件，预计纳米线会桥接电极或附着在一个电极的表面上。

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