The State Key Laboratory of Robotics and Systems, Robotics Institute, Harbin Institute of Technology, Harbin, Heilongjiang 150008, P.R. China ; Center for Precision Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People's Republic of China.
The State Key Laboratory of Robotics and Systems, Robotics Institute, Harbin Institute of Technology, Harbin, Heilongjiang 150008, P.R. China ; Center for Precision Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People's Republic of China ; Harbin Institute of Technology, P.O. Box 413, Harbin, Heilongjiang 150001, China.
Nanoscale Res Lett. 2014 Jul 30;9(1):372. doi: 10.1186/1556-276X-9-372. eCollection 2014.
The single scratching test of polymer polycarbonate (PC) sample surface using an atomic force microscope (AFM) diamond tip for fabricating ripple patterns has been studied with the focus on the evaluation of the effect of the tip scratching angle on the pattern formation. The experimental results indicated that the different oriented ripples can be easily machined by controlling the scratching angles of the AFM. And, the effects of the normal load and the feed on the ripples formation and their periods were also studied. Based on the ripple pattern formation, we firstly proposed a two-step scratching method to fabricate controllable and oriented complex three-dimensional (3D) nanodot arrays. These typical ripple formations can be described via a stick-slip and crack formation process.
使用原子力显微镜（AFM）的金刚石探针对聚合物聚碳酸酯（PC）样品表面进行单一划痕测试，以制造波纹图案，重点研究了探针划痕角度对图案形成的影响。实验结果表明，通过控制 AFM 的划痕角度可以很容易地加工出不同取向的波纹。此外，还研究了法向载荷和进给对波纹形成及其周期的影响。基于波纹图案的形成，我们首次提出了一种两步划痕法来制造可控和定向的复杂三维（3D）纳米点阵列。这些典型的波纹形成可以通过粘滑和裂纹形成过程来描述。
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