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Keysight Technologies
Differentiating Surface Mechanical Properties
with Dynamic Lateral Force Microscopy
Application Note

Introduction cal properties of viscoelastic materials measures the dynamic torsional force on
the contact mode AFM and LFM have the tip that is sensitive to the lateral sur-
Atomic Force Microscopy (AFM) has prov- played an essential role because regions face physical properties. Variables that
en itself to be an effective and versatile of enhanced friction force have greater can affect this technique including but
tool for the comprehensive characteriza- viscoelastic dissipation under sliding not limited to surface chemistry, probe
contact 1