Hyperspectral Nanomotion Microscopy

Autor: Liu, Tongjun, Ou, Jun-Yu, MacDonald, Kevin F., Zheludev, Nikolay I.
Rok vydání: 2020
Předmět:
Zdroj: Nanoscale Advances, 3(8), 2213-2216 (2021)
Druh dokumentu: Working Paper
DOI: 10.1039/D0NA01068E
Popis: We have developed a technique that extends static scanning electron microscopic imaging to include hyperspectral mapping of fast thermal and externally-driven movements at up to Megahertz frequencies. It is based on spectral analysis of the secondary electron flux generated by a focused electron beam incident on the moving object. We demonstrate detection of nanowire Brownian motion and hyperspectral mapping of stimulated oscillations of flea setae with deep sub-nanometer displacement sensitivity.
Databáze: arXiv