Auburn University Receives Long-Term Loan of Cutting-Edge Atomic Force Microscope

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By Teri Greene
Auburn University

A multidisciplinary faculty collaboration has led Auburn University to become one of only five sites in the U.S. to receive a new Tosca 400 Atomic Force Microscope, or AFM, on loan from the Austria-based scientific instrument manufacturer Anton Paar.

Assistant Professor Maria Soledad Peresin of the School of Forestry and Wildlife Sciences led the effort to qualify for the AFM loan, teaming with Virginia Davis, the Alumni Professor in Chemical Engineering in the Samuel Ginn College of Engineering, along with Michael E. Miller, the director of the Auburn University Research Instrumentation Facility and an assistant research professor in Biological Sciences in the College of Sciences and Mathematics.

The Tosca 400’s capabilities are cutting-edge, combining premium technology with time-efficient operation. To get technical, the AFM uses a surface-scanning technique that has sub-nanometer scale resolution — meaning that the tool can measure materials so infinitesimal that their resolution or dimensions are less than one-billionth of a meter. The AFM is widely used to collect data on mechanical, functional, and electrical properties at the nanoscale, in addition to topography and surface roughness studies.

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