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AFM探针-样品作用力模拟及动力学分析

周德元 张琪昌 王炜

周德元, 张琪昌, 王炜. AFM探针-样品作用力模拟及动力学分析[J]. 机械科学与技术, 2016, 35(10): 1477-1483. doi: 10.13433/j.cnki.1003-8728.2016.1001
引用本文: 周德元, 张琪昌, 王炜. AFM探针-样品作用力模拟及动力学分析[J]. 机械科学与技术, 2016, 35(10): 1477-1483. doi: 10.13433/j.cnki.1003-8728.2016.1001
Zhou Deyuan, Zhang Qichang, Wang Wei. Simulating Interaction Force of Tip-Sample of Atomic Force Microscopy and Analyzing Its Nonlinear Dynamic system[J]. Mechanical Science and Technology for Aerospace Engineering, 2016, 35(10): 1477-1483. doi: 10.13433/j.cnki.1003-8728.2016.1001
Citation: Zhou Deyuan, Zhang Qichang, Wang Wei. Simulating Interaction Force of Tip-Sample of Atomic Force Microscopy and Analyzing Its Nonlinear Dynamic system[J]. Mechanical Science and Technology for Aerospace Engineering, 2016, 35(10): 1477-1483. doi: 10.13433/j.cnki.1003-8728.2016.1001

AFM探针-样品作用力模拟及动力学分析

doi: 10.13433/j.cnki.1003-8728.2016.1001
基金项目: 

国家自然科学基金项目(11102127)、天津市应用基础与前沿技术研究计划项目(12JCYBJC12500)及高校博士学科点专项科研基金项目(20120032110010)资助

详细信息
    作者简介:

    周德元(1988-),硕士,研究方向为振动与控制,非线性动力学,wangweifrancis@tju.edu.cn

    通讯作者:

    张琪昌(联系人),教授,博士,qzhang@tju.edu.cn

Simulating Interaction Force of Tip-Sample of Atomic Force Microscopy and Analyzing Its Nonlinear Dynamic system

  • 摘要: 针对原子力显微镜中探针-样品系统间力学特性的复杂性,本文建立了针尖-样品系统的分子动力学模型,采用混合势模拟了它们间的相互作用力并获得了力-距离曲线表达式。基于该表达式,建立了系统动力学方程,分别采用多尺度法和数值仿真研究了不同样品材料对原子力显微镜针尖-样品耦合系统动力学特性的影响。结果表明:不同样品材料对针尖的受力情况影响较大,力-距离曲线波动明显,分析中应区别对待;针尖样品系统中存在丰富的周期运动,且不同的样品材料对原子力显微镜耦合系统的非线性动力学行为有较大的影响。
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出版历程
  • 收稿日期:  2014-12-15
  • 刊出日期:  2016-10-05

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