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Título: | Rapid quantitative chemical mapping of surfaces with sub-2 nm resolution |
Autor: | Lai, Chia-Yun; Perri, Saverio; Santos, Sergio; García García, Ricardo CSIC ORCID; Chiesa, Matteo | Fecha de publicación: | 14-may-2016 | Editor: | Royal Society of Chemistry (UK) | Citación: | Nanoscale 8(18): 9688-9694 (2016) | Resumen: | We present a theory that exploits four observables in bimodal atomic force microscopy to produce maps of the Hamaker constant H. The quantitative H maps may be employed by the broader community to directly interpret the high resolution of standard bimodal AFM images as chemical maps while simultaneously quantifying chemistry in the non-contact regime. We further provide a simple methodology to optimize a range of operational parameters for which H is in the closest agreement with the Lifshitz theory in order to (1) simplify data acquisition and (2) generalize the methodology to any set of cantilever-sample systems. | Versión del editor: | http://doi.org/10.1039/C6NR00496B | URI: | http://hdl.handle.net/10261/186644 | DOI: | 10.1039/c6nr00496b | Identificadores: | doi: 10.1039/c6nr00496b e-issn: 2040-3372 issn: 2040-3364 |
Aparece en las colecciones: | (ICMM) Artículos |
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