Atomic force microscopy (AFM) is coupled with time-domain two-dimensional infrared (2DIR) spectroscopy to develop AFM-2DIR nanospectroscopy, which combines the spatial precision of AFM with the rich spectroscopic information provided by 2DIR spectroscopy. Application of this method reveals the anharmonicity of a carbonyl vibrational mode and the possible energy transfer pathways of hyperbolic phonon polaritons in isotope-rich hexagonal boron nitride.
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References
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This is a summary of: Xie, Q. et al. Atomic-force-microscopy-based time-domain two-dimensional infrared nanospectroscopy. Nat. Nanotechnol. https://doi.org/10.1038/s41565-024-01670-w (2024).
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Combining two-dimensional infrared spectroscopy with atomic force microscopy. Nat. Nanotechnol. (2024). https://doi.org/10.1038/s41565-024-01671-9
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DOI: https://doi.org/10.1038/s41565-024-01671-9
