Toward quantitative electromagnetic field imaging by differential-phase-contrast scanning transmission electron microscopy | Zendy

Takehito Seki | Zendy; Yuichi Ikuhara | Zendy; Naoya Shibata | Zendy

Open Access

Toward quantitative electromagnetic field imaging by differential-phase-contrast scanning transmission electron microscopy

Author(s) -

Takehito Seki,

Yuichi Ikuhara,

Naoya Shibata

Publication year - 2020

Publication title -

microscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.545

H-Index - 52

eISSN - 2050-5701

pISSN - 2050-5698

DOI - 10.1093/jmicro/dfaa065

Subject(s) - scanning transmission electron microscopy , mesoscopic physics , optics , electromagnetic field , phase contrast imaging , physics , phase (matter) , materials science , phase contrast microscopy , transmission electron microscopy , quantum mechanics

Differential-phase-contrast scanning transmission electron microscopy (DPC STEM) is a technique to directly visualize local electromagnetic field distribution inside materials and devices at very high spatial resolution. Owing to the recent progress in the development of high-speed segmented and pixelated detectors, DPC STEM now constitutes one of the major imaging modes in modern aberration-corrected STEM. While qualitative imaging of electromagnetic fields by DPC STEM is readily possible, quantitative imaging by DPC STEM is still under development because of the several fundamental issues inherent in the technique. In this report, we review the current status and future prospects of DPC STEM for quantitative electromagnetic field imaging from atomic scale to mesoscopic scale.

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