title: Note: curve fit models for atomic force microscopy cantilever calibration in water.
abstract: Atomic force microscopy stiffness calibrations performed on commercial instruments using the thermal noise method on the same cantilever in both air and water can vary by as much as 20% when a simple harmonic oscillator model and white noise are used in curve fitting. In this note, several fitting strategies are described that reduce this difference to about 11%.
authors: Center for Biologically Inspired Materials and Material Systems, Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, USA. scott.kennedy@duke.edu
authors: Scott J
authors: SJ
authors: Kennedy
authors: Daniel G
authors: DG
authors: Cole
authors: Robert L
authors: RL
authors: Clark
mesh_terms: D000388:Air; D002138:Calibration; D018625:Microscopy, Atomic Force / Q000592:standards*; D014867:Water
chemical_list: D014867:Water