期刊论文详细信息
Beilstein Journal of Nanotechnology
Scanning speed phenomenon in contact-resonance atomic force microscopy
关键词: atomic force microscope;    contact resonance;    liquid;    phenomenon;    scan speed;   
DOI  :  10.3762/bjnano.9.87
学科分类:地球科学(综合)
来源: Beilstein - Institut zur Foerderung der Chemischen Wissenschaften
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【 摘 要 】

This work presents data confirming the existence of a scan speed related phenomenon in contact-mode atomic force microscopy (AFM). Specifically, contact-resonance spectroscopy is used to interrogate this phenomenon. Above a critical scan speed, a monotonic decrease in the recorded contact-resonance frequency is observed with increasing scan speed. Proper characterization and understanding of this phenomenon is necessary to conduct accurate quantitative imaging using contact-resonance AFM, and other contact-mode AFM techniques, at higher scan speeds. A squeeze film hydrodynamic theory is proposed to explain this phenomenon, and model predictions are compared against the experimental data.

【 授权许可】

CC BY   

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