Discrimination of adhesion and viscoelasticity from nanoscale maps of polymer surfaces using bimodal atomic force microscopy

Author:

Rajabifar Bahram12ORCID,Bajaj Anil1,Reifenberger Ronald2,Proksch Roger3,Raman Arvind12ORCID

Affiliation:

1. School of Mechanical Engineering, Purdue University, 585 Purdue Mall, West Lafayette, IN 47907, USA

2. Birck Nanotechnology Center, 1205 W State Street, West Lafayette, IN 47907, USA

3. Asylum Research, an Oxford Instruments company, Santa Barbara, CA, 93117, USA

Abstract

Bimodal atomic force microscopy in which two microcantilever eigenmodes are simultaneously excited augments the number of observables. This provided set of channels enables estimating the viscoelastic and adhesive properties of soft polymeric surfaces.

Funder

National Science Foundation

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science

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