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20 papers
Quantitative infrared nanoscopy: Probe-cavity eigenmodes and nano-gap polaritons for strongly coupled nanoscale optics
Benjamin Allen, Brayden Lukaskawcez, Alyssa Bragg +6
Optical nanoscopies including near-field optical microscopy and spectroscopy circumvent the diffraction limit of conventional optics thanks to the nanoscale light focus emerging at…
Elucidating the Mechanism of Large Phosphate Molecule Intercalation Through Graphene Heterointerfaces
Jiayun Liang, Ke Ma, Xiao Zhao +19
Intercalation is a process of inserting chemical species into the heterointerfaces of two-dimensional (2D) layered materials. While much research has focused on intercalating metal…
Detection and Signal Processing for Near-Field Nanoscale Fourier Transform Infrared Spectroscopy
Jonathan M. Larson, Hans A. Bechtel, Robert Kostecki
Researchers from a broad spectrum of scientific and engineering disciplines are increasingly using near-field infrared spectroscopic techniques to characterize materials nondestruc…
Raman and Far Infrared Synchrotron Nanospectroscopy of Layered Crystalline Talc: Vibrational Properties, Interlayer Coupling and Symmetry Crossover
Raphael Longuinhos, Alisson R. Cadore, Hans A. Bechtel +4
Talc is an insulating layered material that is stable at ambient conditions and has high-quality basal cleavage, which is a major advantage for its use in van der Waals heterostruc…
Liquid Heterostructures: Generation of Liquid-Liquid Interfaces in Free-Flowing Liquid Sheets
David J. Hoffman, Hans A. Bechtel, Diego A. Huyke +3
Chemical reactions and biological processes are often governed by the structure and transport dynamics of the interface between two liquid phases. Despite their importance, our mic…
Ultrahigh quality infrared polaritonic resonators based on bottom-up-synthesized van der Waals nanoribbons
Shang-Jie Yu, Yue Jiang, John A. Roberts +8
van der Waals nanomaterials supporting phonon polariton quasiparticles possess unprecedented light confinement capabilities, making them ideal systems for molecular sensing, therma…