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Dual-Frequency Atomic Force Microscopy Imaging Method and Experiment Based on Commercial AFM Platform |
WANG Wei, QIAN Jian-Qiang**, LI Ying-Zi, CHEN Zhu-Li |
Key Laboratory of Micro-nano Measurement-Manipulation and Physics (Ministry of Education), Department of Applied Physics, Beihang University, Beijing 100191
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Cite this article: |
WANG Wei, QIAN Jian-Qiang, LI Ying-Zi et al 2013 Chin. Phys. Lett. 30 060702 |
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Abstract A dual-frequency atomic force microscopy imaging system is set up to enhance the amplitude of higher harmonic signals. The experimental results of the dual-frequency imaging technology are given. Normally the image of the higher harmonic is helpful to optimize the imaging conditions in tapping mode and allows one to differentiate qualitatively between dissimilar materials that are hardly distinguishable by traditional atomic force microscopy.
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Received: 12 November 2012
Published: 31 May 2013
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PACS: |
07.79.Lh
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(Atomic force microscopes)
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68.37.Ps
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(Atomic force microscopy (AFM))
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62.25.-g
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(Mechanical properties of nanoscale systems)
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Abstract
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