Accurate, explicit formulae for higher harmonic force spectroscopy by frequency modulation-AFM

• Kfir Kuchuk and
• Uri Sivan

Beilstein J. Nanotechnol. 2015, 6, 149–156, doi:10.3762/bjnano.6.14

• reconstruct short range forces more accurately than the fundamental harmonic when the oscillation amplitude is small compared with the interaction range. Keywords: atomic force spectroscopy; higher harmonic FM-AFM; Introduction AFM measurements are presently utilized to generate atomic resolution [1][2], 3D