Photothermal excitation setup for a modified commercial atomic force microscope

Adam H, Rode S, Schreiber M, Kobayashi K, Yamada H, Kühnle A (2014)
Review of Scientific Instruments 85(2): 023703.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
High-resolution imaging in liquids using frequency modulation atomic force microscopy is known to suffer from additional peaks in the resonance spectrum that are unrelated to the cantilever resonance. These unwanted peaks are caused by acoustic modes of the liquid and the setup arising from the indirect oscillation excitation by a piezoelectric transducer. Photothermal excitation has been identified as a suitable method for exciting the cantilever in a direct manner. Here, we present a simple design for implementing photothermal excitation in a modified Multimode scan head from Bruker. Our approach is based on adding a few components only to keep the modifications as simple as possible and to maintain the low noise level of the original setup with a typical deflection noise density of about 15 fm/root Hz measured in aqueous solution. The success of the modification is illustrated by a comparison of the resonance spectra obtained with piezoelectric and photothermal excitation. The performance of the systems is demonstrated by presenting high-resolution images on bare calcite in liquid as well as organic adsorbates (Alizarin Red S) on calcite with simultaneous atomic resolution of the underlying calcite substrate. (C) 2014 AIP Publishing LLC.
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Zeitschriftentitel
Review of Scientific Instruments
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85
Zeitschriftennummer
2
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023703
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Adam H, Rode S, Schreiber M, Kobayashi K, Yamada H, Kühnle A. Photothermal excitation setup for a modified commercial atomic force microscope. Review of Scientific Instruments. 2014;85(2):023703.
Adam, H., Rode, S., Schreiber, M., Kobayashi, K., Yamada, H., & Kühnle, A. (2014). Photothermal excitation setup for a modified commercial atomic force microscope. Review of Scientific Instruments, 85(2), 023703. doi:10.1063/1.4864084
Adam, H., Rode, S., Schreiber, M., Kobayashi, K., Yamada, H., and Kühnle, A. (2014). Photothermal excitation setup for a modified commercial atomic force microscope. Review of Scientific Instruments 85, 023703.
Adam, H., et al., 2014. Photothermal excitation setup for a modified commercial atomic force microscope. Review of Scientific Instruments, 85(2), p 023703.
H. Adam, et al., “Photothermal excitation setup for a modified commercial atomic force microscope”, Review of Scientific Instruments, vol. 85, 2014, pp. 023703.
Adam, H., Rode, S., Schreiber, M., Kobayashi, K., Yamada, H., Kühnle, A.: Photothermal excitation setup for a modified commercial atomic force microscope. Review of Scientific Instruments. 85, 023703 (2014).
Adam, Holger, Rode, Sebastian, Schreiber, Martin, Kobayashi, Kei, Yamada, Hirofumi, and Kühnle, Angelika. “Photothermal excitation setup for a modified commercial atomic force microscope”. Review of Scientific Instruments 85.2 (2014): 023703.
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2018-09-03T09:04:11Z

4 Zitationen in Europe PMC

Daten bereitgestellt von Europe PubMed Central.

High-frequency multimodal atomic force microscopy.
Nievergelt AP, Adams JD, Odermatt PD, Fantner GE., Beilstein J Nanotechnol 5(), 2014
PMID: 25671141

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