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Polak L, de Man S, Wijngaarden RJ. Note: switching crosstalk on and off in Kelvin Probe Force Microscopy. Rev Sci Instrum. 2014;85(4):046111doi: 10.1063/1.4873331.
Polak, L., de Man, S., & Wijngaarden, R. J. (2014). Note: switching crosstalk on and off in Kelvin Probe Force Microscopy. The Review of scientific instruments, 85(4), 046111. https://doi.org/10.1063/1.4873331
Polak, Leo, et al. "Note: switching crosstalk on and off in Kelvin Probe Force Microscopy." The Review of scientific instruments vol. 85,4 (2014): 046111. doi: https://doi.org/10.1063/1.4873331
Polak L, de Man S, Wijngaarden RJ. Note: switching crosstalk on and off in Kelvin Probe Force Microscopy. Rev Sci Instrum. 2014 Apr;85(4):046111. doi: 10.1063/1.4873331. PMID: 24784689.
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Rev Sci Instrum. 2014 Apr;85(4):046111. doi: 10.1063/1.4873331.

Note: switching crosstalk on and off in Kelvin Probe Force Microscopy.

The Review of scientific instruments

Leo Polak, Sven de Man, Rinke J Wijngaarden

Affiliations

  1. Division of Physics and Astronomy, VU University Amsterdam, Amsterdam, The Netherlands.
  2. Huygens-Kamerlingh Onnes Laboratorium, Leiden University, Leiden, The Netherlands.

PMID: 24784689 DOI: 10.1063/1.4873331

Abstract

In Kelvin Probe Force Microscopy (KPFM) electronic crosstalk can occur between the excitation signal and probe deflection signal. Here, we demonstrate how a small modification to our commercial instrument enables us to literally switch the crosstalk on and off. We study in detail the effect of crosstalk on open-loop KPFM and compare with closed-loop KPFM. We measure the pure crosstalk signal and verify that we can correct for it in the data-processing required for open-loop KPFM. We also demonstrate that open-loop KPFM results are independent of the frequency and amplitude of the excitation signal, provided that the influence of crosstalk has been eliminated.

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