High-frequency nanomotion imaging of artificial nanostructures (Conference Presentation)

Tongjun Liu; Jun Yu Ou; Kevin F. MacDonald; Nikolay I. Zheludev

doi:10.1117/12.2554421

1 April 2020 High-frequency nanomotion imaging of artificial nanostructures (Conference Presentation)

Tongjun Liu, Jun Yu Ou, Kevin F. MacDonald, Nikolay I. Zheludev

Proceedings Volume 11344, Metamaterials XII; 1134418 (2020) https://doi.org/10.1117/12.2554421
Event: SPIE Photonics Europe, 2020, Online Only

Abstract

There is growing interest and technological opportunity in nanomechanics and the fundamentals of nano- to pico-scale dynamics, which derive from the fact that electromagnetic and quantum forces become stronger as the dimensions of objects decrease, competing with elastic forces at sub-micron scales; while movements become faster as mass decreases, achieving Gigahertz bandwidth at the nanoscale. We report on a novel approach to the visualization of such movements that is based on the detection of secondary electrons and photons emerging from the interaction of a focused electron beam with moving components of nano-objects. The technique extends the static (zero-frequency) imaging capabilities of a conventional scanning electron microscope to enable hyperspectral spatial mapping of fast (MHz-GHz) thermal and externally-driven nano- to pico-scale motion in nanostructures.

Conference Presentation

Citation Download Citation

Tongjun Liu, Jun Yu Ou, Kevin F. MacDonald, and Nikolay I. Zheludev "High-frequency nanomotion imaging of artificial nanostructures (Conference Presentation)", Proc. SPIE 11344, Metamaterials XII, 1134418 (1 April 2020); https://doi.org/10.1117/12.2554421

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