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Nanotubes give under pressure

机译:纳米管承受压力

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Researchers from Georgia Institute of Technology, USA, Ecole Polytechnique Federale de Lausanne in Switzerland am the IBM Watson Research Center, USA, have measured the radial stiffness of carbon nanotubes. They believe their results could have implications for nanoelectronics. "We know from previous studies that nanotubes are very stiff in the axial direction, but little is known about their radial elasticity," said Elisa Riedo of Georgia Tech. "mainly because when you're working with tubes that small, it' difficult to poke them without pushing them beyond the point at which they will be irremediably damaged." Riedo and colleagues used an atomic-force microscope (AFM) to perform modulated nano-indentation on the nanotubes. The AFM incorporated silicon nitride cantilevers with an average tip radius of 35 mil.
机译:美国佐治亚理工学院的研究人员在美国IBM沃森研究中心的瑞士洛桑联邦理工学院研究了碳纳米管的径向刚度。他们相信他们的结果可能会对纳米电子学产生影响。佐治亚理工学院的Elisa Riedo说:“我们从以前的研究中知道,纳米管在轴向方向上非常坚硬,但对其径向弹性知之甚少。” “主要是因为当您使用如此小的管子时,要在不将其推到无法修复的程度之外很难戳开它们。” Riedo及其同事使用原子力显微镜(AFM)对纳米管进行调制的纳米压痕。 AFM结合了氮化硅悬臂,其平均尖端半径为35密耳。

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