Team at CAS China’s University of Science and Technology develops “Raman picoscopy”

HOU Jianguo and colleagues have improved low-temperature (liquid helium) ultra-high vacuum tip-enhanced Raman spectroscopy to fine-tuned the localized plasmon field at the tip height to a spatial resolution to 1.5 Angstroms of single chemical bonds. In space, a complete spatial imaging pattern of various intrinsic vibration modes of a molecule was obtained. The scientists propose “scanning Raman picoscopy” as a new method for visually constructing molecular structures based by molecular imaging patterns at Angstrom resolution.

CAS news release, February 13, 2020

Team at CAS China’s University of Science and Technology develops “Raman picoscopy”
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