Spatial and spectral dynamics in STEM hyperspectral imaging using random scan patterns.

Alberto Zobelli,Steffi Y Woo,Anna Tararan,Luiz H G Tizei,Nathalie Brun,Xiaoyan Li,Odile Stéphan,Mathieu Kociak,Marcel Tencé

Ultramicroscopy（2020）

引用 26|浏览54

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摘要

•A random scan operating mode in STEM achieved at the hardware level is presented.•Random sparse hyperspectral images can be extracted in any acquisition time window.•Randomization of pixel acquisition order can reduce dose accumulation effects.•Spatial and spectral dynamics can be followed in STEM hyperspectral imaging.•Proof of concepts for EELS and nano-cathodoluminescence are provided.

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关键词

Scanning transmission electron microscopy,Scan control,Sparse imaging,EELS,Cathodoluminescence

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