ArticleNanomaterials (Basel, Switzerland)2018
Toward Accurate Quantitative Elasticity Mapping of Rigid Nanomaterials by Atomic Force Microscopy: Effect of Acquisition Frequency, Loading Force, and Tip Geometry.
Article in Nanomaterials (Basel, Switzerland), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- Designing Thermomechanically Stable Nanocrystalline Alloys for Low Friction and Wear: A Perspective.ACS applied materials & interfaces · 2026Review
- Surface Mapping of Functionalized Two-Dimensional Nanosheets: Graphene Oxide and MXene Materials.Langmuir : the ACS journal of surfaces and colloids · 2025Article
- Elasticity and material anisotropy of lamellar cortical bone in adult bovine tibia characterized via AFM nanoindentation.Journal of the mechanical behavior of biomedical materials · 2023Article
- Quantitative Elasticity Mapping of Submicron Silica Hollow Particles by PeakForce QNM AFM Mode.Nanomaterials (Basel, Switzerland) · 2023Article
- Surface characterization of an ultra-soft contact lens material using an atomic force microscopy nanoindentation method.Scientific reports · 2022Article
- Quantitative Nanomechanical Mapping of Polyolefin Elastomer at Nanoscale with Atomic Force Microscopy.Nanoscale research letters · 2021Article
- The Quantitative Nanomechanical Mapping of Starch/Kaolin Film Surfaces by Peak Force AFM.Polymers · 2021Article
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3 authors.
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Abstract
Atomic force microscopy (AFM) has emerged as a popular tool for the mechanical mapping of soft nanomaterials due to its high spatial and force resolution. Its applications in rigid nanomaterials, however, have been underexplored. In this work, we studied elasticity mapping of common rigid materials by AFM, with a focus on factors that affect the accuracy of elasticity measurements. We demonstrated the advantages in speed and noise level by using high frequency mechanical mapping compared to the classical force volume mapping. We studied loading force dependency, and observed a consistent pattern on all materials, where measured elasticity increased with loading force before stabilizing. Tip radius was found to have a major impact on the accuracy of measured elasticity. The blunt tip with 200 nm radius measured elasticity with deviation from nominal values up to 13% in different materials, in contrast to 122% by the sharp tip with 40 nm radius. Plastic deformation is believed to be the major reason for this difference. Sharp tips, however, still hold advantages in resolution and imaging capability for nanomaterials.
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